| Winchester Rugby Football Club | Winchester | Regional 2 South Central |
| Rushden and Higham Rugby Club | Northampton | – |
| Boy Brigade Old Boys Rugby Club | Northampton | – |
| Millwall Rugby Club | London | – |
| Farnborough Rugby Club | Farnborough | – |
| Minety Rugby Club | Minety | – |
| Chesham Rugby Club (The Stags) | Chesham | – |
| Armagh Rugby Club | Armagh | – |
| Pencoed Rugby Club | Pencoed | – |
| Limavady Rugby and Cricket Club | Limavady | – |
| Clwb Rygbi Harlequins Doc Penfro | Pembroke Dock | – |
| Aylesbury Rugby Club | Aylesbury | – |
| New Ash Green RFC | New Ash Green | – |
| Littleborough RUFC | Littleborough | – |
| Datchworth Sports Club | Knebworth | – |
| Rainy Rugby Club | Magherafelt | – |
| Baglan RFC | – | – |
| Bugbrooke RUFC | Northampton | – |
| Blandford Rugby Club | Blandford Forum | – |
| Bedlinog RFC | Bedlinog | – |
| Clwb Rygbi Aberaeron | Aberaeron | – |
| Clwb Rygbi Treforys | Morriston | – |
| Seven Sisters Rugby Football Club | Seven Sisters | – |
| Newport Saracens RFC | Newport | – |
| Penygraig RFC | Penygraig | – |
| Hastings & Bexhill RFC | Hastings | – |
| Cheltenham Tigers Rugby Football Club | Cheltenham | – |
| London Welsh RFC | Richmond | – |
| Winscombe Rugby Football Club | Winscombe | – |
| Stamford R U F C | Stamford | East Midlands Division |
| Bourne Rugby Club | Bourne | Counties 1 Northern |
| Oldham Rugby Union FC | Oldham | – |
| Cuffley Rugby Club | – | – |
| Sale FC Rugby Club | – | – |
| Kings Cross Steelers RFC | London | – |
| Macclesfield Rugby Union Football Club | Macclesfield | – |
| Newtown Rugby Club | – | – |
| Llanidloes Rugby Club | – | – |
| Phoenix Rugby Club | – | – |
| Pontllanfraith RFC ground | Newport | – |
| Pontllanfraith RFC | Newport | – |
| Trinity Guild RUFC | – | – |
| Bournville Rugby Club | – | – |
| Wasps Football Club | – | – |
| Ebbw Vale RFC | Ebbw Vale | – |
| Exeter Saracens RFC | Exeter | – |
| Vipers Rugby Union | Blaby | – |
| Brynithel RFC | Abertillery | – |
| Leigh Rugby Football Club | – | – |
| St Neots Rugby Club | St Neots | – |
| Chester Rugby Union Football Club | – | – |
| Bedford Blues Rugby Club | Bedford | – |
| St Albans RFC | St Albans | Herts/Middlesex 1 |
| Mill Hill Rugby Football Club | Mill Hill, London | – |
| Old Bedians | Didsbury, Manchester | – |
| Watsonian FC | – | Scottish Premiership Division Two |
| Wharfedale R.U.F.C | Threshfield | – |
| Stewart's Melville RFC | – | – |
| Old Alleynians Rugby Football Club | Dulwich, London | – |
| Malone RFC Gibson Park | Belfast | – |
| Streatham-Croydon Rugby Football Club | Thornton Heath | – |
| Welwyn Rugby Club | Welwyn Garden City | – |
| Wilmslow Rugby Union Football Club | Wilmslow | – |
| Wimbledon Rugby Football Club | London | – |
| Hessle RUFC | Hessle | – |
| Midsomer Norton Rugby Club | Midsomer Norton | – |
| Chobham Rugby Football Club | Godalming | – |
| Harpenden Rugby Football Club | Harpenden | – |
| Boroughmuir RFC | – | Super 6 |
| Topsham Rugby Club | Topsham | – |
| Bramley Phoenix Rugby Football Club | Bramley, Leeds | – |
| Cranbrook Rugby Club | Cranbrook | – |
| Holmes Chapel Rugby Union Football Club | Holmes Chapel | – |
| Pyle R.F.C | Pyle | – |
| Old Yardleians RFC | Shirley, Solihull | – |
| Ryton Rugby Club | Ryton | – |
| Barnstaple RFC | Barnstaple | – |
| Nottingham Moderns RFC | Wilford, Nottingham | – |
| Nottingham Corsairs RFC | Lady Bay, Nottingham | – |
| Taunton Rugby Club | Bathpool, Taunton | – |
| Shelford Rugby Club | Cambridge | – |
| NTU Rugby | Nottingham | – |
| Hartlepool Tech O.B.R.F.C | Hartlepool | – |
| Nottingham Casuals RFC | Nottingham | – |
| Bridgwater & Albion Rugby Club | Bridgwater | – |
| Burnage RFC | Stockport | – |
| Glasgow Hawks RFC | – | Scottish Premiership |
| Bromsgrove Rugby Football Club | – | – |
| West Bridgford RFC | West Bridgford | – |
| Guildford Rugby Club | Godalming | – |
| Plymouth Albion RFC | Plymouth | National League 1 |
| Liberton FP RFC | Edinburgh | – |
| Royal High RFC | Edinburgh | – |
| Henley Rugby Football Club | Henley-on-Thames | – |
| Wisbech Rugby Union Football Club | Wisbech | – |
| Bethesda Rugby Club | Bethesda | – |
| Caerphilly Rugby Football Club | Caerphilly | – |
| Willenhall Rugby Club | Essington | – |
| Dunvant RFC | Killay, Swansea | – |
| Coney Hill Rugby Football Club | Gloucester | – |
| Hayle Rugby Football Club | Hayle | – |
| Sittingbourne RFC | – | – |
| Llandudno Rugby Club | Llandudno | – |
| Barking Rugby Union Club | Dagenham | – |
| Buckfastleigh Ramblers | Buckfastleigh | – |
| Nottinghamians RFC | Nottingham | – |
| Bradford on Avon RFC | Bradford-On-Avon | – |
| Glynneath RFC | Glynneath | – |
| Spalding RFC | Spalding, Lincolnshire | Midlands 3 East |
| Evesham Rugby Club | Evesham | – |
| Malvern Rugby Club | Malvern | – |
| Moray Rugby Club | Elgin | Scottish National League Division Four |
| Stirling County RFC | – | Scottish Premiership |
| Canton RFC | Cardiff | – |
| Leicester Tigers | – | Premiership Rugby |
| Eccles RUFC | Eccles | – |
| Frome RFC | Frome | – |
| Seghill RFC | Cramlington | – |
| Edinburgh Academical Football Club | – | Scottish Premiership Division Two |
| Vigo Rugby Club | Longfield | – |
| North Dorset Rugby Club | Gillingham, Dorset | – |
| Vale of Lune Rugby Union Football Club | Lancaster | – |
| St Ives Rugby Club | St Ives | Counties 2 East (South) |
| Currie RFC | – | Scottish Premiership |
| Blackpool RUFC | Thornton-Cleveleys | Counties 4 Lancashire and Cheshire / NOWIRUL Division 3 North |
| Chipping Sodbury RFC | Chipping Sodbury | – |
| Brighton Football Club (RFU) | Brighton | – |
| Bangor Rugby Club | Bangor | – |
| Peebles RFC | Peebles | – |
| Yarnbury Rugby Club | Leeds | – |
| Tycroes Rugby Football Club | Ammanford | – |
| Derby Rugby Football Club | Derby | – |
| Bedford Athletic Rugby Club | Bedford | – |
| Kelso RFC | – | Scottish Premiership Division Two |
| Machen R.F.C | Machen | – |
| Minehead Barbarians RFC | Minehead | – |
| East London Rugby Football Club | London | – |
| Fylde RUFC | Lytham St Annes | National League 2 North |
| Old Otliensians R.U.F.C. | Otley | – |
| Otley RUFC | – | – |
| North Petherton Rugby Club | North Petherton | – |
| Ambleside RUFC | Ambleside | – |
| Silhillians Sports Club and Conference Centre | Knowles | – |
| Wadebridge Camels RFC | Wadebridge | – |
| Old Redcliffians RFC | Bristol | National League 2 West |
| Corstorphine Cougars RFC | – | – |
| Howe of Fife RFC | Cupar | – |
| Caldy RUFC (Paton Field) | West Kirby | – |
| Bracknell Rugby Club | Bracknell | – |
| Ulster Rugby | – | United Rugby Championship |
| Letchworth Rugby Club | Letchworth Garden City | – |
| Edinburgh Northern RFC | Edinburgh | – |
| B.B.O.B. Rugby Club | – | – |
| Wigan Rugby Union Football Club | – | – |
| Birmingham & Solihull RFC | Birmingham | – |
| Old Edwardian Sports Club | Solihull | – |
| Crowborough Rugby Club | Crowborough | – |
| North Ribblesdale RUFC | Settle | Regional 2 North West |
| Southmead RFC | Bristol | Counties 2 Gloucestershire South / Bristol & District 1 |
| Moseley Rugby Football Club | – | National League 1 |
| Stithians RFC | Stithians | – |
| Canvey Island Rugby Union Football Club | Canvey Island | – |
| Livingston Rugby Club | Livingston | – |
| Wells Rugby Club | Wells | – |
| Thornbury RFC | Bristol | – |
| Teignmouth RFC | Teignmouth | – |
| Bromyard Rugby Club | – | – |
| Keresley RFC | Corley, Coventry | – |
| Rhyl Rugby Club | Rhyl | – |
| Ballymoney Rugby Football Club | Ballymoney | – |
| Devonport Services RFC | Plymouth | – |
| Oldfield Old Boys RFC | Bath | – |
| Narberth Rugby Club | – | – |
| Fleetwood Rugby Club | Fleetwood | – |
| Avon Rugby Club | – | – |
| Bath Rugby | Bath | Premiership Rugby |
| Staines Rugby Football Club | Hanworth | – |
| Copsewood Rugby FC | – | – |
| South Molton Rugby Club | South Molton | – |
| Penryn Rugby Club | Penryn | – |
| Belper Rugby Club | Belper | – |
| The Old Friarage (B.B.O.B RFC) | – | – |
| Leesbrook RUFC | Derby | – |
| Durham Rugby Club | Durham | – |
| Reading Rugby Football Club | Sonning | – |
| Kettering Rugby Football Club | Kettering | Regional 2 Midlands East |
| Petersfield Rugby Club | Petersfield | – |
| Sleaford Rugby Club | Sleaford | – |
| Cardiff Harlequins RFC | – | – |
| Allan Glen's RFC | Bishopbriggs | – |
| Ormskirk RUFC | Ormskirk | – |
| Dagenham Rugby Club | Dagenham | – |
| Rochdale RUFC | Rochdale | – |
| Haddington RFC | Haddington | – |
| Trinity Academicals RFC | Edinburgh | – |
| Bedwas RFC | Caerphilly | Welsh Championship (1st XV) |
| Old Blues Rugby Football Club | New Malden | – |
| Old Caterhamians' Sports Club | Caterham | – |
| Coleraine RFC | – | – |
| Marlow Rugby Club | Marlow | – |
| Bala Rugby Football Club | Bala | – |
| Cambuslang Rugby Club | Cambuslang | – |
| Trentham RUFC | Trentham | – |
| North Walsham Rugby Club | North Walsham | – |
| Buxton Rugby Club | – | – |
| Dromore Rugby Football Club | – | Kukri Ulster Rugby Championship Division 1 |
| Hinckley Rugby Football Club | Hinckley | – |
| Selkirk RFC | – | Scottish Premiership Division Two |
| Sedgley Park R.U.F.C | Whitefield | – |
| Coventrians RFC | Coventry | – |
| Old Leo's Rugby Club | Leeds | Counties 1 Yorkshire |
| Kingswood RFC | Bristol | – |
| Falkirk FRC | Falkirk | – |
| Morpeth Rugby Football Club | Morpeth | Regional 2 North |
| Abercynon Rugby Club | Abercynon | – |
| Longlevens RFC | – | – |
| Coventry Welsh Rugby Football Club | Coventry | – |
| Clwb Rygbi | Blaenau Ffestiniog | – |
| Trebanos RFC | Trebanos | – |
| Old Whitgiftians RFC (main pitch) | – | – |
| Nailsea & Backwell RFC | Nailsea | – |
| Beaconsfield Rugby Club | Beaconsfield | – |
| Saltash Rugby Club | – | – |
| Turriff Rugby Football Club | – | – |
| Glenrothes Rugby Club | Glenrothes | Arnold Clark Caledonia Midlands Region League Division 2 |
| Liskeard and Looe Rugby Football Club | Liskeard | – |
| Preston Lodge RFC | Prestonpans | – |
| Moore Rugby Union Club | Moore | – |
| Madras Rugby Club | St Andrews | – |
| Clwb Rygbi Bro Ffestiniog | Blaenau Ffestiniog | – |
| Meden Vale Rugby Club | Meden Vale | – |
| New Friarage | Hartlepool | – |
| Salisbury Rugby Club | Salisbury | – |
| Rainey Old Boys RFC | Magherafelt | – |
| Stocksbridge Rugby Club | Sheffield | – |
| Cockermouth Rugby Football Club | Cockermouth | – |
| Aldwinians Rugby Union Football Club | Manchester | – |
| Bristol Harlequins R.F.C. | Bristol | – |
| Barnard Castle Rugby Club | Barnard Castle | – |
| Caernarfon Rugby Club | – | – |
| Underbank RUFC | – | – |
| Mansfield RUFC | Mansfield | – |
| St. David's RFC | St Davids | – |
| Bury St Edmunds Rugby Club | Bury St Edmunds | – |
| Overton Rugby Football Club | Whitchurch | – |
| Millom Rugby Union Club | Millom | – |
| Thorney RUFC | Thorney | Eastern Counties Greene King Division One West |
| Aretians RFC | Bristol | – |
| Corsham Rugby Club | Corsham | – |
| Cwmcwrach RFC | – | – |
| Ripon Rugby Union Football Club | Ripon | – |
| Creighton Rugby Club | Carlisle | – |
| Keswick Rugby Club | Keswick | – |
| Cinderford Rugby Club | Cinderford | – |
| Perthshire RFC | Perth | – |
| Kirkby Lonsdale RUFC | Cumbria | Counties 1 Cumbria |
| Blackburn Rugby Club | Blackburn | – |
| Dunstablians RUFC | Houghton Regis | – |
| Southport Rugby Football Club | Southport | – |
| Kings Norton Rugby Club | Alvechurch | – |
| Five Ways Old Edwardian Sports Club | Alvechurch | – |
| Old Laurentians RFC | Rugby | – |
| Cheddar Valley Rugby Club | Cheddar, Somerset | – |
| Melbourne Rugby Club | Melbourne, Derbyshire | – |
| Bishop Auckland RUFC | Bishop Auckland | – |
| Kirkcaldy Rugby Football Club | Kirkcaldy | – |
| East Leake R.F.C. | East Leake, Nottinghamshire | – |
| Sandbach Rugby Union Football Club | Sandbach | – |
| Clwb Rygbi Rhuthun | Ruthin | WRU Division One North |
| Bristol Imperial RFC | Knowle, Bristol | – |
| Sherborne RFC | Sherborne, Dorset | – |
| IOW Rugby Club | Wootton | – |
| Scarborough Rugby Club | Scalby, Scarborough, North Yorkshire | – |
| Ledbury Rugby Football Club | Ledbury, Herefordshire | – |
| Clwb Rygbi Nant Conwy | Llanrwst | WRU Division One North |
| Gala RFC | – | Scottish Premiership Division Two |
| Melrose RFC | Melrose | Scottish Premiership |
| Warley Rugby and Football Club | Oldbury, West Midlands | – |
| Berry Hill Rugby Football Club | Forest of Dean | – |
| Brockworth RFC | – | – |
| Ilfracombe Rugby Club | Ilfracombe, Devon | – |
| Rosyth Sharks RFC | Rosyth, Dunfermline, Fife | – |
| Dunfermline RFC | Dunfermline, Fife | – |
| Gwernyfed Rugby Club | Talgarth, Powys | – |
| Crediton RFC | Crediton, Devon | – |
| Leighton Buzzard Rugby Football Club | Leighton Buzzard | Midlands Counties 2 East (South) |
| Maes Collen | Morriston | – |
| GHK RFC | – | – |
| Bridgnorth Rugby Football Club | Bridgnorth | – |
| East Grinstead Rugby Football Club | East Grinstead | – |
| Portadown Rugby Club | Portadown | – |
| Hawick RFC | Hawick | Scottish Premiership Division Two |
| Cullompton Rugby Football Club | Cullompton, Devon | – |
| Ayr RFC | – | – |
| Clwb Rygbi Pwllheli | Yr Efailnewydd | – |
| Old Culverhaysians R F C | Bath (Odd Down) | – |
| Mint Bridge | Kendal | – |
| Old Elizabethans RFC | Hallen, Bristol | – |
| Finchley Rugby Football Club | – | – |
| Avonmouth Old Boys R.F.C. | Avonmouth, Bristol | – |
| Armoy Rugby CLub | – | – |
| Mellish Rugby Football Club | Nottingham | – |
| Hamilton RFC | Hamilton | Scottish Premiership Division Two |
| Carrickfergus RFC | – | – |
| Belfast Harlequins Rugby Club | Belfast | – |
| Morgan Academy RFC | Dundee | – |
| Abertillery RFC | Abertillery, Blaenau Gwent, Wales | – |
| Horsham R.U.F.C. | Horsham, West Sussex | – |
| Donaghadee Rugby Club | Donaghadee | – |
| Bletchley Rugby Club | Bletchley, Milton Keynes | – |
| Castleford RUFC | Castleford | – |
| Pontefract RUFC | Pontefract, West Yorkshire | – |
| Heriot's RFC | – | – |
| Newton Stewart RFC | Newton Stewart, Wigtownshire, Scotland | – |
| Preston Grasshoppers R.F.C. | Preston | – |
| Burgess Hill Rugby Club | – | – |
| Westbury Rugby Club | Westbury, Wiltshire | – |
| Kilburn Cosmos RFC | Kilburn, London | – |
| High Wycombe Rugby Union Football Club | High Wycombe | – |
| Hillfoots RFC | – | – |
| Larne Rugby Club | Larne, County Antrim, Northern Ireland | – |
| Enys Parc | – | – |
| Leicester Forest Rugby Football Club | Leicester Forest East | – |
| Stoke-on-Trent RUFC | Stoke-on-Trent, Staffordshire | – |
| Marr Rugby Football Club | Troon | – |
| Earlston RFC | Earlston, Scottish Borders | East Division 3 (Scottish Borders / East Regional League) |
| Kilmarnock RFC | Kilmarnock, Ayrshire | – |
| Jed-Forest RFC | – | Scottish Premiership Division Two |
| Oakham Rugby Football Club | Oakham, Rutland | – |
| Cotham Park RFC | Bristol | – |
| St Andrews Rugby | – | – |
| Long Buckby RFC | Northampton | – |
| Ross Sutherland Rugby Club | Invergordon | – |
| Mistley RUFC | Mistley, Manningtree, Essex | – |
| Stafford Rugby Club | Stafford | – |
| Worthing Rugby Club | Angmering | – |
| Highland RFC | – | – |
| St Ives RFC | St Ives, Cornwall | – |
| Swansea Uplands RFC | Upper Killay, Swansea | – |
| Woodbridge Rugby Club | – | – |
| Harrogate Pythons RUFC | – | – |
| Aspull RFC | – | – |
| New Tredegar RFC Club House | Caerphilly | – |
| Charlton Park RFC | – | – |
| St Bernadette's Old Boys RFC | Bristol | – |
| Teddington Rugby Football Club | Teddington, Middlesex | – |
| Penrith Rugby Union Football Club | Penrith, Cumbria | – |
| Newbury Rugby Football Club | Newbury, Berkshire | – |
| Rhayader Rugby Club | – | – |
| Whitland RFC | Whitland, Carmarthenshire | – |
| England Rugby Store | – | – |
| Dinnington Rugby Union Football Club | Sheffield | Counties 1 |
| St Julians Rugby Club | Newport | – |
| Old Parish | Maesteg | – |
| Old Parish (Maesteg RFC) | Maesteg, South Wales | – |
| West Hartlepool R.F.C. | – | Regional 2 North |
| Paviors RFC | Nottingham | – |
| Beccles RUFC | – | – |
| Alresford Rugby and Football Club | New Alresford | – |
| Old Brodleians RUFC | – | – |
| Old Crossleyans RUFC | Halifax | – |
| Garndiffaith RFC | Pontypool | – |
| Banbury RUFC | Bodicoat | – |
| Clwb Rygbi Rhigos | Rhigos | – |
| St Boswells RFC | – | – |
| The Shed | – | – |
| Lichfield Rugby Club | Lichfield | – |
| Wath RUFC | Rotherham | – |
| Exmouth Rugby Club | Exmouth | – |
| Withycombe RFC | – | – |
| Northampton Saints RFC | – | Premiership Rugby |
| Amersham and Chiltern Rugby Club | Amersham | – |
| Worcester Rugby Football Club | Worcester | – |
| Consett Rugby Club | Consett | – |
| Dartford Valley Rugby Football Club | Dartford | – |
| Weston-super-Mare RFC | Weston-super-Mare | – |
| Ivybridge Rugby Club | Ivybridge | – |
| Witney Rugby Football Club | – | – |
| Rhyl and District Rugby RFC | Rhyl | – |
| Omagh Academicals RFC | Omagh | – |
| Beccles Rugby Club Youth Hub | Beccles | – |
| Launceston Rugby Club | Launceston | – |
| Dumfries Saints RFC | – | – |
| Talywain RFC | Talywain | – |
| Dundee Rugby | Dundee | Scottish National League Division Two (men's); Scottish Women's Midlands & East One (women's) |
| Peterlee & Horden Rugby Football Club | – | – |
| Llangennech RFC Rugby Club | Llangennech | – |
| Newry Rugby Club | Newry | – |
| Old Saltleians RFC | Water Orton | – |
| Malone Rugby Football Club | Belfast | – |
| Bowdon Rugby Football Union Club | – | – |
| Lymm Rugby Football Club | – | – |
| Ely Tigers Rugby Club | – | – |
| Leigh Rugby Union Football Club | Leigh | – |
| Wiveliscombe Rugby Football Club | Wiveliscombe | – |
| Bo'ness RFC | – | – |
| Garnock RFC | Glengarnock | – |
| Deeside RFC | – | – |
| Forgeside RFC Ground | Blaenavon | – |
| Huntingdon Stags | Brampton | – |
| Caithness RFC | Thurso | – |
| Hadleigh Rugby Club | – | – |
| Wheatley Rugby Union Football Club | Oxford | – |
| Gloucester All Blues Rugby Football Club | Gloucester | – |
| Minchinhampton RFC | Minchinhampton | – |
| Deal and Betteshanger Rugby Club | Deal | – |
| Sedgefield District RUFC | – | – |
| Glasgow Academicals RFC | – | – |
| Hillhead Jordanhill RFC | Glasgow | Scottish Premiership Division Two |
| Stewartry RFC | Castle Douglas | – |
| Grimsby Rugby Union Football Club | Grimsby | Midlands 3 East (North) |
| Cowbridge RFC | Cowbridge | – |
| Fareham Heathens Rugby Club | Fareham | – |
| The Gnoll | Neath | – |
| Ystrad Rhondda Rugby Club | Ystrad | – |
| Shotton Steel RFC | – | Division 3 North (WRU) |
| Tavistock RFC | Tavistock | – |
| City of Derry Rugby Football Club | Derry | Ulster Rugby Championship Division 1 |
| Banbridge Rugby Football Club | Banbridge | – |
| Enniskillen Rugby Football Club | Enniskillen | – |
| Amber Valley Rugby Club | Somercotes | – |
| Deri RFC | Deri | – |
| Longton Rugby Club | Longton, Stoke-on-Trent | – |
| Knaresborough Rugby Union Football Club | Knaresborough | – |
| Anselmians RUFC | Eastham | – |
| Trowbridge Rugby Club | – | – |
| Acklam RUFC | – | – |
| Ashford Rugby Club | Ashford | – |
| Old Leamingtonians | – | – |
| Beverley Rugby Union Football Club | Beverley | – |
| Bromley RFC | – | – |
| Brackley Rugby Union Football Club | Brackley | – |
| Wimborne Rugby Club | – | – |
| Ashley Down Old Boys RFC | Lockleaze, Bristol | – |
| Old Laurentian Rugby Football Club | – | – |
| Amesbury RFC | – | – |
| Alcester Rugby Football Club | Alcester | – |
| Dartfordians RFC | – | – |
| Horsham Rugby Club | Horsham | Regional 2 South East |
| Alton Rugby Club | – | – |
| Gillingham Anchorians Rugby Club | – | Kent Counties 1 (Level 7) |
| Old Whitgiftians Rugby Football Club | – | – |
| Fawley Rugby Football Club | Fawley | – |
| Birmingham Civil Service RFC | – | Midlands 4 West (South) |
| Gravesend Rugby Football Club | Gravesend | – |
| Barns Green Rugby Club | Barns Green | – |
| Bexley Rugby Club | – | – |
| Burnham-on-Sea Rugby Club | – | – |
| Broad Plain RFC | – | – |
| Didcot RUFC | Didcot | – |
| Fakenham Rugby Club | Dereham | – |
| Trinity RFC | – | Counties 1 Surrey/Sussex |
| Hutchesons Aloysians | – | – |
| Old Aloysians RFC | – | – |
| Devizes RFC | Devizes | – |
| Hutchesons' GSFP | – | – |
| Strathmore RFC | Forfar | – |
| Beccehamian Rugby Football Club | – | – |
| Ilkley Rugby Club | Ilkley | – |
| York RUFC | – | – |
| Broughton RFC | Edinburgh | – |
| Whitley Bay Rockcliff RFC | – | – |
| Brentwood RFC | Brentwood | – |
| Warlingham Rugby Football Club | – | – |
| Coventry R.F.C. | – | Champ Rugby |
| Manchester Rugby Club | – | – |
| Blaydon RFC | – | – |
| Llanelli RFC | – | – |
| Liverpool St Helens F.C. | – | Counties 1 ADM Lancashire & Cheshire |
| Bicester Rugby Club | Bicester | – |
| Rugby Lions | Rugby | Midlands 1 East |
| Berwick RFC | Berwick-upon-Tweed | – |
| Bolton R.U.F.C | Bolton | – |
| Penarth RFC | – | – |
| Glasgow Hutchesons Aloysians RFC | – | – |
| Pontypool RFC | Cardiff | Welsh Championship |
| Alloa RFC | Alloa | – |
| Camp Hill RFC | – | – |
| London Irish Amateur | Sunbury-On-Thames | Regional 2 Thames |
| Whitstable Rugby Football Club | – | – |
| Old Reigatian Rugby Football Club | – | – |
| Annan RFC | – | – |
| Barnes Rugby Football Club | – | – |
| Esher RFC | – | – |
| Cambridge Rugby | Cambridge, Cambridgeshire | – |
| Canterbury RFC | – | – |
| Moffat RFC | – | – |
| Kenilworth RFC | – | – |
| Aberdeen Wanderers RFC | Aberdeen | – |
| Leith RFC | Edinburgh | – |
| Shipston-on-Stour Rugby Football Club | Shipston-on-Stour | – |
| Rams RFC | – | – |
| Kelvinside Academicals RFC | – | – |
| New Brighton FC | – | – |
| Dalkeith RFC | – | – |
| Glasgow Southern RFC | – | – |
| Brixham Rugby Club | – | – |
| Ampthill Rugby Club | – | Champ Rugby |
| Wrexham RFC | Wrexham | – |
| Bishop's Stortford RFC | Bishop'S Stortford | National League 1 |
| Wednesbury Rugby Club | – | – |
| Tonbridge Juddians RFC | Tonbridge | National League 1 |
| Leicester Lions RFC | – | – |
| Caldy Rugby Football Club | – | Champ Rugby |
| Chinnor R.F.C. | – | Champ Rugby |
| Croydon RFC | – | – |
| Reading Abbey R.F.C. | Emmer Green, Reading | – |
| Basingstoke R.F.C. | – | – |
| Seaford Rugby Football Club | – | – |
| West of Scotland FC | – | Scottish Premiership |
| Towcestrians Sports Club | – | – |
| Dover Sharks RFC | Dover | – |
| Worcester Valkyries | – | Premier 15s |
| Wasps RFC | – | Premiership Rugby |
| Rotherham R.U.F.C. | – | National League 1 |
| Harlequin F.C. | – | Premiership Rugby |
| Richmond Rugby Club | Richmond | National League 1 |
| Cardiff Rugby | Cardiff | United Rugby Championship |
| Blackheath F.C. | – | – |
| Worcester Warriors | – | Premiership Rugby |
| Bristol Bears | – | Premiership Rugby |
| Leeds Tykes | – | National League 1 |
| Aberavon & Port Talbot Rugby Football Club | Port Talbot | Super Rygbi Cymru |
| Aberavon Green Stars Rugby Football Club | Port Talbot | WRU League 1 West Central |
| Abercrave Rugby Football Club | Swansea | WRU Division Five South West |
| Aberdare Rugby Union Football Club | Aberdare | – |
| Aberdeen Rugby | Aberdeen | – |
| Abergele Rugby Club | Abergele | – |
| Aberystwyth Rugby Football Club (2019) | Aberystwyth | Admiral National Championship - West (2025/26) |
| Abingdon Rugby Football Club | Oxford | – |
| Alchester Rugby Football Club | Fritwell | – |
| Aldeburgh Rugby Club Community Interest Company | Saxmundham | – |
| Aldershot and Fleet Rugby Union Football Club | Aldershot | – |
| Aldridge Rugby Football Club | Walsall | – |
| All Bears Rugby | Harlow | – |
| Alnwick Rugby Football Club | Alnwick | – |
| Altrincham Kersal Rugby Football Club | Altrincham | – |
| Ampthill & District Community Rugby Club | Ampthill | Champ Rugby (2nd tier) |
| Andover Rugby Football Club | Andover | – |
| Annan Rugby Football Club | Annan | – |
| Ashbourne Rugby Union Football Club | Ashbourne | – |
| Ashby Rugby Football Club | Ashby-De-La-Zouch | – |
| Ashfield Rugby Union Football Club | Nottingham | – |
| Ashford (Kent) Rugby Football Club | Ashford | – |
| Ashington Joint Welfare Rugby Football Club | Ashington | – |
| Ashton Under Lyne Rugby Football Club | Hyde | – |
| Askean Rugby Football Club | London | – |
| Aspatria Rugby Union Football Club | Aspatria | – |
| Atherstone Rugby Football Club | Atherstone | – |
| Avonvale Rugby Football Club | Bathford, Bath | – |
| Aylesford Bulls Rugby Football Club | Aylesford | – |
| Aylestone Athletic Rugby Football Club | Leicester | – |
| Aylestone St James (Management) Rugby Football Club | Leicester | – |
| Aylestone St James Rugby Football Club | Leicester | – |
| Baildon Rugby Union Football Club | Shipley | RFU Counties 2 Yorkshire |
| Bakewell Mannerians Rugby Union Football Club | Bakewell | – |
| Bargoed Rugby Football Club | Mid Glamorgan | WRU Community Premiership (1st XV) / Division East 5 (other teams) |
| Barkers' Butts Rugby Football Club | Allesley, Coventry | – |
| Barnet Elizabethans Rugby Football Club | Hatfield | – |
| Barnsley Rugby Union Football Club | Barnsley | – |
| Barrow Rugby Football Club | Cumbria | – |
| Barry Rugby Football Club | Barry | WRU Division One East Central |
| Barton Hill Old Boys Rugby Football Club | Kingswood Bristol | – |
| Barton Under Needwood Rugby Football Club | Barton Under Needwood | – |
| Basildon Rugby Football Club | Basildon | – |
| Bath Old Edwardians Rugby Football Club | Bath | – |
| Battersea Ironsides Rugby Football Club | Battersea, London | – |
| Beckenham Rugby Football Club | Beckenham | – |
| Beddau Rugby Football Club | Beddau | – |
| Bedworth Rugby Club | Nuneaton | – |
| Belgrave Rugby Football Club | Leicester | – |
| Belsize Park Rugby Football Club | London | London 1 South (level 6) |
| Berkshire Banshees Wheelchair Rugby | Hucknall | – |
| Bideford Rugby Football Club | Bideford | – |
| Biggar Rugby Football Club | Lanark | Scottish National League Division One (men) / Scottish Women's Premiership (women) |
| Billericay Rugby Football Club | Ingatestone | Counties 1/2 Essex |
| Billingham Rugby Football Club | Billingham | – |
| Billingshurst Romans Rugby Club | Billingshurst | – |
| Bingham Rugby Football Club | Nottingham | – |
| Bishops Castle and O.V. Rugby Club | Bishop's Castle | – |
| Bishopton Rugby Football Club | Erskine | – |
| Blackheath Rugby | London | Champ Rugby (2nd tier) |
| Blackwood Stars Rugby Club | Blackwood | – |
| Blue Boar Rugby Football Club | Longworth, Oxfordshire | – |
| Blyth Cricket and Rugby Football Club | Blyth, Northumberland | – |
| Bo'Ness Rugby Club Scio | Bo'ness, Falkirk, Scotland | – |
| Bognor Rugby Football Club | Bognor Regis, West Sussex | – |
| Bournemouth Rugby Football Club Holdings Ltd | Ringwood | – |
| Bournemouth Rugby Football Club | Bournemouth | – |
| Bradford Salem Rugby Football Club | Bradford (Heaton), West Yorkshire | – |
| Braintree Rugby Union Football Club | Braintree | – |
| Bramley Rugby Union Football Club | Bramley, Leeds, West Yorkshire | – |
| Bream Rugby Football Club | Lydney | – |
| Brechin Rugby Football Club | Brechin, Angus, Scotland | – |
| Brecon Rugby Football Club | Brecon | WRU Welsh Premier Division |
| Bredon Star Rugby Football Club | Bredon, Worcestershire | – |
| Bridgend Ravens Rugby Club | Bridgend | – |
| Bridgend Sports Rugby Football Club Cio | Bridgend, South Wales | – |
| Bridlington Rugby Union Football Club | Bridlington | – |
| Bridport Rugby Football Club | Bridport, Dorset | – |
| Brighton and Hove Sea Serpents Rugby Football Club | Haywards Heath | – |
| Bristol Barbarians Rugby Club | Bristol | Counties Tribute 4 Gloucestershire South |
| Bristol Bears Women Rugby Club | Bristol | Allianz Premiership Women's Rugby |
| Bristol Rugby Club | Bristol | Premiership Rugby |
| Bristol Saracens Rugby Football Club | Bristol | – |
| Brynmawr Rugby Football Club | Brynmawr | – |
| Buckingham Rugby Union Football Club | Buckingham, Buckinghamshire | – |
| Builth Wells Rugby Football Club | Builth Wells | National League Admiral Division 1 West Central |
| Burnham On Crouch Rugby Union Football Club | Burnham On Crouch | – |
| Burntwood Rugby Club | Chasetown | – |
| Burton Rugby Football Club | Burton upon Trent, Staffordshire | – |
| Caereinion Old Boys Rugby Association | Meifod | – |
| Cainscross Rugby Football Club | Stroud | – |
| Caldicot Rugby | Caldicot | – |
| Camberley Rugby Football Club | Camberley, Surrey | – |
| Camborne Rugby Football Club | Camborne | National League 2 West (promoted to National League 1 for 2026-27) |
| Campion Rugby Football Club | Hornchurch | – |
| Cannock Rugby Union Football Club | Cannock | – |
| Carlisle Rugby Football Club | Carlisle | – |
| Carmarthen Rugby Football Club | Carmarthen | – |
| Carnoustie High School Former Pupils' Rugby Football Club | Carnoustie, Angus, Scotland | – |
| Carrick Rugby Football Club | – | – |
| Castle Cary Rugby Football Club | Castle Cary, Somerset | – |
| Castle Donington Rugby Union Football Club | Derby | RFU Midlands Counties 3 |
| Celtic Warriors Wheelchair Rugby Club | Liskeard | – |
| Chard Rugby Football Club | Chard, Somerset | – |
| Chelmsford Rugby Football Club | Chelmsford | – |
| Cheltenham North Rugby Football Club | – | – |
| Cheltenham Rugby Club | Cheltenham, Gloucestershire | – |
| Cheltenham Wheelchair Rugby Club | Cheltenham, Gloucestershire | – |
| Chepstow Rugby Football Club | Chepstow, Monmouthshire, Wales | – |
| Chesham Rugby Union Football Club | Chesham, Buckinghamshire | – |
| Cheshire Rugby | Altrincham | – |
| Chester Centurions Rugby Union Football Club | Wrexham | – |
| Chesterfield Panthers Rugby Union Football Club | Chesterfield, Derbyshire | – |
| Chew Valley Rugby Football Club | Chew Stoke | – |
| Chichester Rugby Football Club | Chichester, West Sussex | – |
| Chingford Rugby Football Club | Chingford, London | – |
| Chippenham Rugby Football Club | Chippenham | Regional 2 Severn |
| Chipping Norton Rugby Union Football Club | – | – |
| Chipstead Rugby Football Club (Holdings) Limited | Coulsdon | – |
| Chipstead Rugby Football Club | Coulsdon | – |
| Chiswick Rugby Football Club | Chiswick, London | – |
| Chosen Hill Former Pupils Rugby Football Club | Gloucester | North Gloucestershire combination |
| Christchurch Rugby Football Club | Christchurch | Hampshire Counties (Hampshire Counties Six, 2026/27 fixtures referenced) |
| Cirencester Rugby Football Club | Cirencester, Gloucestershire | – |
| Classic Rugby | Neath | – |
| Claverdon Rugby Club | Warwick | – |
| Clee Hill Rugby Football Club | Ludlow | – |
| Cleethorpes Rugby Union Football Club | Humberston | Midlands 4 East (North) |
| Cleobury Mortimer Rugby Football Club | Kidderminster | Midlands 4 West (North) |
| Cleve Rugby Football Club | – | – |
| Clevedon Rugby Football Club | Clevedon, Somerset | – |
| Clitheroe Rugby Union Football Club | Blackburn | – |
| Clwb Rygbi Yr Wyddgrug / Mold Rugby Football Club | Mold, Flintshire, Wales | – |
| Coalville Rugby Football Club Properties | Whitwick | – |
| Cobham Rugby & Sports Association | Cobham | Counties 1 Surrey/Sussex |
| Colchester Rugby | Colchester, Essex | National League 2 East |
| Colerne Rugby Football Club | Colerne | Dorset and Wilts 2 Central |
| Colne and Nelson Rugby Club | Colne | – |
| Colwyn Bay Rugby Football Club | Colwyn Bay | – |
| Congleton Rugby Union Football Club | Congleton | – |
| Coventry Corsairs Rugby Football Club | Coventry | – |
| Coventry Rugby | Coventry | Championship (English rugby union second tier) |
| Cranbrook Rugby and Cricket Club | Cranbrook | – |
| Cranleigh Rugby Football Club | Cranleigh | Surrey 2 |
| Crawley Rugby Football Club | Crawley | Counties 2 Sussex |
| Crediton Rugby Football Club Commercial | Exeter | – |
| Crewe & Nantwich Rugby Union Football Club | Nantwich | – |
| Crewkerne Rugby Football Club | – | Counties 3 Somerset South |
| Crickhowell Rugby | Crickhowell | – |
| Cricklade Rugby Football Club | – | – |
| Croesyceiliog Rugby Football Club | Cwmbran | – |
| Crosskeys Rugby Football Club | Crosskeys | WRU Admiral Premiership |
| Crowthorne Rugby Football Club | Crowthorne | – |
| Crumlin Rugby Football Club | Crumlin | WRU Division Four East |
| Crusaders Rugby Union Football Club | Norwich, Norfolk | – |
| Cs Rugby 1863 | Hertford | – |
| Cumbernauld Rugby Football and Sports Club | Glasgow | – |
| Cwmtwrch Rugby Football Club | Swansea | – |
| Darlington Mowden Park Rugby Football Club | Darlington | – |
| Darlington Rugby Football Club | County Durham | Counties 1 Durham & Northumberland |
| Dartford Rugby | Dartford | – |
| Daventry Rugby Football Club | Daventry | – |
| Deepings Rugby Union Football Club | Deeping St James | – |
| Dereham Rugby Football Club | Dereham, Norfolk | – |
| Didsbury Toc H Rugby Football Club | Manchester | Championship North 2 |
| Diss Rugby Club | Diss | Counties 2 Eastern Counties |
| Dixonians Rugby Football Club | Worcester | – |
| Doncaster Phoenix Rugby Union Football Club | Doncaster, South Yorkshire | – |
| Doncaster Rugby Football Club | Doncaster, South Yorkshire | – |
| Dorchester Rugby Football Club | Dorchester, Dorset | – |
| Dorking Rugby Football Club | Betchworth | National League 2 East |
| Dover Rugby Football Club | Canterbury | – |
| Driffield Rugby Union Football Club (1994) | Driffield | Regional 1 North East |
| Droitwich Rugby Football Club | – | – |
| Drybrook Rugby Football Club | Drybrook | – |
| Dudley Kingswinford Rugby Football Club | Kingswinford | Regional 2 Midlands West (2026/27 season) |
| Dukinfield Rugby Football Club | Dukinfield, Greater Manchester | – |
| Dunfermline Rugby Football Club | Dunfermline, Fife, Scotland | – |
| Durham City Rugby Football Club | Durham | Regional 2 North |
| Dursley Rugby Football Club | Dursley, Gloucestershire | – |
| East Manchester Rugby Club | Stalybridge | – |
| East Retford Rugby Union Football Club | – | – |
| Eastbourne Rugby Football Club | Brighton | – |
| Eastleigh Rugby Football Club | Eastleigh, Hampshire | – |
| Edenbridge Rugby Football Club | Edenbridge | – |
| Effingham & Leatherhead Rugby Football Club | Leatherhead | – |
| Egremont Rugby Union Football Club | Egremont, Cumbria | – |
| Ellesmere Port Rugby Union Football Club | Ellesmere Port, Cheshire | – |
| Ellingham & Ringwood Rugby Football Club | Ringwood, Hampshire | – |
| Ellon Rugby Club Scio | Ellon, Aberdeenshire | – |
| Ely Rugby Union Football Club | Ely, Cambridgeshire | – |
| Epping Upper Clapton Rugby Football Club | Epping | – |
| Erith Rugby Football Club | Erith, Kent | – |
| Essington Rugby Union Football Club | Essington | Midlands 4 West (North) |
| Eton Manor Rugby Football Club 1928 Bar Subsidiary | Billericay | – |
| Eton Manor Rugby Football Club 1928 | Billericay | – |
| Eton Manor Rugby Football Club | Billericay | – |
| Exeter Athletic Rugby | Exeter | – |
| Exeter Rugby Club | Exeter | Gallagher Premiership Rugby |
| Fairford Rugby Football Club | Fairford | – |
| Falkirk Rugby Football & Sports Club | Falkirk | Scottish National League Division One |
| Falmouth Rugby Football and Athletic Club | Falmouth | – |
| Faringdon Rugby Union Football Club | Faringdon | – |
| Farnham Rugby Union Football Club | Farnham | – |
| Felixstowe Rugby Union Football Club | Felixstowe | – |
| Feltham Rugby Football Club | Hanworth, Feltham, Middlesex | – |
| Finsbury Park Rugby Football Club | London | – |
| Fishguard and Goodwick Rugby Football Club | Fishguard | – |
| Flint Rugby Club | Flint | WRU Division 3 NE |
| Folkestone Rugby Club | Folkestone | – |
| Fordingbridge Rugby Union Football Club | Fordingbridge | – |
| Frampton Cotterell Rugby Football Club | Winterbourne | – |
| Fullerians Rugby Football Club | Watford | – |
| Furness Rugby Union Football Club | – | – |
| Garioch Rugby Football Club Scio | Inverurie, Aberdeenshire | – |
| Garstang Rugby Union Football Club | Morecambe | – |
| Gateshead Rugby Football Club | Gateshead | – |
| Gilfach Goch Rugby Football Club | Gilfach Goch, South Wales | – |
| Girling Rugby Football Club | – | – |
| Glais Rugby Football Club | Swansea | – |
| Glamorgan Wanderers Rugby Football Club | Ely | WRU Championship East |
| Gloucester Hartpury Rugby | Gloucester | Premiership Women's Rugby |
| Gloucester Old Boys Rugby Club | Cheltenham | – |
| Gloucester Rugby | Gloucester | Gallagher Premiership Rugby |
| Goole Rugby Union Football Club | Goole | – |
| Gordano Rugby Football Club | Portbury, North Somerset | – |
| Gordon League Rugby Football Club | Hempstead | – |
| Gosforth Rugby Football Club | Newcastle upon Tyne | – |
| Gosport and Fareham Rugby Football Club | Gosport, Hampshire | – |
| Gowerton Rugby Football Club | Swansea | WRU Championship West |
| Grampian Clan Unified Rugby Club | – | – |
| Grangemouth Stags Rugby Football Club | Grangemouth | Caledonia Division One Midlands (men's); Scottish Women's Midlands & East One (women's) |
| Grasshoppers Rugby Club | Twickenham | – |
| Greyhound Rugby Football Club @ H.C.S.C. | Hereford | – |
| Grfc - Rugby | Gravesend | – |
| Grove Rugby Football Club | Nr Wantage | – |
| Guildfordians Rugby Football Club | Guildford | – |
| Guisborough Rugby Union Football Club | Guisborough | – |
| Hackney Rugby Football Club | London | Counties 2 Middlesex |
| Haileybury Exiles Rugby Football Club | London | – |
| Halifax Vandals Rugby Union Football Club | Warley Town, Halifax, West Yorkshire | – |
| Halstead Templars Rugby Football Club | Maldon | – |
| Hampstead Rugby Football Club | London | – |
| Handsworth Rugby Football Club 1887 | Solihull | Midlands 3 West (North) |
| Harborne Rugby Football Club | Birmingham | – |
| Harbury Rugby Football Club | Harbury | – |
| Haringey Rugby Football Club | Wood Green, Haringey, London | – |
| Harlow Rugby Union Football Club | Harlow, Essex | – |
| Harrogate Rugby (Trading) | Harrogate | National 2 North |
| Harrow Rugby Football Club | Stanmore | London Counties 2 Herts/Middlesex |
| Hartpury Rugby | Gloucester | RFU Championship |
| Harwich and Dovercourt Rugby Football Club | Dovercourt, Essex | – |
| Haslemere Community Rugby Club | Godalming | – |
| Havant Rugby Football Club | Bedhampton | – |
| Haverhill and District Rugby Football Club | – | – |
| Haywards Heath Rugby Football Club | Haywards Heath | Counties 1 Surrey/Sussex |
| Heath Rugby Union Football Club | Greetland, near Halifax, West Yorkshire | – |
| Heathfield & Waldron Rugby Football Club | Heathfield | – |
| Helensburgh Cricket and Rugby Football Club | Helensburgh | – |
| Hellingly Rugby Football Club | Pevensey | – |
| Helston Rugby Football Club | Helston, Cornwall | – |
| Hemsworth Rugby Football Club | – | Counties Yorkshire 3 |
| Hendon Rugby Football Club | London | – |
| Hereford Rugby Football Club | Hereford, Herefordshire | – |
| Hertford Rugby Club | Ware | – |
| Hertford Rugby Football Club (Holdings) Limited | Ware | – |
| Hessle Rugby & Cricket Club | Hessle | – |
| Hillingdon Abbots Rugby Football Club | Hayes, Hillingdon, London | – |
| Hitchin Rugby | Hitchin | – |
| Holt Rugby Football Club | Fakenham | – |
| Holyhead Rugby Union Football Club | Holyhead | – |
| Honiton Rugby Club Trading | Honiton | – |
| Hook & Odiham Rugby Football Club | Farnborough | – |
| Hornets Rugby Football Club | Avon | – |
| Houghton Rugby Union Football Club | Houghton-Le-Spring | – |
| Hove Rugby Football Club | Hove | Counties 1 Surrey/Sussex (men's 1st XV) |
| Hoylake Rugby Football Club | Hoylake, Wirral, Merseyside | – |
| Hucclecote Rugby Football Club | Hucclecote, Gloucester | – |
| Huddersfield Rugby Union Football Club | Huddersfield, West Yorkshire | – |
| Hull Ionians Rugby Union Football Club (Holdings) Limited | Elloughton Road Brantingham | National League 2 North |
| Hull Rugby Union Football Club | Driffield | – |
| Hullensians Rugby Union Football Club | Hull | – |
| Huntingdon and District Rugby Football Club | Huntingdon, Cambridgeshire | – |
| Ilford Wanderers Rugby Football Club | Hornchurch | – |
| Ilkeston Rugby Union Football Club | Derbyshire | – |
| Ilkley Rugby Football Club (Trading and Supporters Group) | Ilkley | – |
| Ipswich Rugby Football Club | Ipswich, Suffolk | – |
| Ipswich Ym Rugby Union Football Club | – | – |
| Isle of Axholme Rugby Club | Doncaster | – |
| Isle of Wight Rugby | Wootton Bridge | – |
| Jarrovians Rugby Union Football Club | Hebburn | – |
| Jed Thistle Rugby Football Club Scio | Jedburgh, Scottish Borders | – |
| Junction 6 Rugby Club | Kidlington | – |
| K.C.S Old Boys Rugby Football Club | Motspur Park, Kingston upon Thames, London | – |
| Keighley Rugby Union Football Club | Keighley, West Yorkshire | – |
| Kelvedon & Feering Rugby Union Football Club | Witham | – |
| Kendal Rugby Union Football Club | Kendal | – |
| Kesteven Rugby Football Club | Grantham, Lincolnshire | – |
| Keynsham Rugby Football Club | Keynsham, Somerset | – |
| Keyworth Rugby Football Club | Widmerpool, Nottinghamshire | – |
| Kickoff Rugby Recruitment | Broxbourne | – |
| Kidderminster Carolians Rugby Football Club | Worcestershire | – |
| Kimpton Rugby Football Club | London | – |
| Kingsbridge Rugby Football Club | Kingsbridge | – |
| Kingsclere Rugby Football Club | Newbury | – |
| Kingston Rugby Football Club | Chessington | – |
| Kirkby Lonsdale Rugby Union Football Club (Property) Limited | Carnforth | Counties 1 Cumbria |
| Lankelly-Fowey Rugby Football Club | Fowey, Cornwall | – |
| Leamington Rugby Football Club | Royal Leamington Spa, Warwickshire | – |
| Leeds Rugby Club | Leeds | – |
| Leek Rugby Football Club | Cheddleton, Leek, Staffordshire | – |
| Leigh Layabouts Rugby Football Club | Tonbridge | – |
| Letchworth Garden City Rugby Football Club | Letchworth, Hertfordshire | – |
| Lewes Rugby Football Club | Lewes | Sussex 1 |
| Lincoln Rugby Football Club | Lincoln | – |
| Linlithgow Rugby Club | Linlithgow | East Regional League Division One |
| Littlemore Rugby Football Club | Abingdon | – |
| Llandovery Rugby Football Club | Llandovery | Super Rygbi Cymru |
| Llandudno Welsh Rugby Union Football Club | Llandudno | – |
| Llandybie Rugby Football Club | Llandybie | – |
| Llangwm Rugby | Haverfordwest | – |
| Llanhilleth Rugby Football Club | Llanhilleth, Blaenau Gwent, Wales | – |
| Llantrisant Rugby Football Club | Llantrisant, Rhondda Cynon Taf, Wales | – |
| Llanybydder Rugby Club | Llanybydder | – |
| Lochaber Rugby Football Club | Fort William | – |
| London Cornish Rugby Football Club | Bromley | – |
| London French Rugby Football Club | Pinner | – |
| London Irish Rugby Football Club Holdings Ltd | Lisburn | – |
| London United Rugby Club | Westerham | – |
| London Welsh Rugby Club Choir | Richmond upon Thames, London | – |
| Loughborough Rugby Football Club | Loughborough | – |
| Loughor Rugby Football Club | Loughor | – |
| Lowestoft and Yarmouth Rugby Football Club | Lowestoft | – |
| Ludlow Rugby Football Club | Kidderminster | – |
| Lutterworth Rugby Football Club | Lutterworth | – |
| Lytchett Minster Rugby Football Club | Poole | – |
| Mackie Academy Rugby Football Club | Stonehaven | – |
| Maesteg Rugby Football Club | Maesteg | WRU Division Three B West Central |
| Maidenhead Rugby Union Football Club | Maidenhead | – |
| Malton & Norton Rugby Football Club | Malton | – |
| Manchester Sale Rugby Club | Manchester | – |
| Market Bosworth Rugby Football Club | Market Bosworth | – |
| Market Drayton Rugby Football Club | Market Drayton | – |
| Market Rasen and Louth Rugby Union Football Club | Market Rasen | – |
| Marlborough Rugby Football Club | Marlborough | Regional 1 South West |
| Marple Rugby Football Club | Marple | – |
| Martock Rugby Football Club | Martock | – |
| Matlock (Baileans) Rugby Football Club | Matlock | – |
| Medway Rugby Football Club | Rochester | – |
| Melksham Rugby Football Club | Melksham | – |
| Merthyr Rugby Football Club | Merthyr Tydfil | – |
| Merton Rugby Football Club | Merton | – |
| Middlesbrough Rugby Union Football Club | Middlesbrough | Regional 1 North East |
| Midhurst Rugby Football Club | Midhurst, | – |
| Milton Keynes Rugby Union Football Club | Milton Keynes | – |
| Mitcham & Carshalton Rugby Union Football Club | Carshalton | – |
| Mold Rugby Football Club (Trading) | Mold | WRU Division One North |
| Mold Rugby Football Club/Clwb Rygbi Yr Wyddgrug | Mold | WRU Division One North |
| Monmouth Rugby Football Club | Monmouth | – |
| Morley Rugby Football Club | Morley | – |
| Mosborough Rugby Union Football Club | Mosborough | – |
| Mumbles Rugby Football Club | Swansea | WRU Division Two West Central |
| Nant Conwy Rugby Football Club Cyf | Trefriw | WRU Division One North |
| Nantyffyllon Rugby Football Club | Maesteg | – |
| Nantyglo Rugby Football Club | Ebbw Vale | SWALEC League / WRU Division One East |
| Narbeth Rugby Football Club | Narberth | – |
| Neath Athletic Rugby Football Club | Neath | – |
| Neath Rugby | Neath | Community Premiership (Welsh Premier Division) |
| Netherhall Rugby Football Club | Maryport | – |
| Newark Rugby Union Football Club | Newark On Trent | – |
| Newcastle (Staffs) Rugby Union Football Club | Newcastle-under-Lyme | – |
| Newcastle Emlyn Rugby Football Club | Newcastle Emlyn | – |
| Newcastle Lightning Rugby | Cramlington | – |
| Newcastle Wheelchair Rugby | Gateshead | – |
| Newent Rugby Football Club | Newent | – |
| Newmarket Rugby Union Football Club | Newmarket | – |
| Newport (Salop) Rugby Union Football Club | Newport | Regional 1 Midlands |
| Newport Rugby Football Club | Newport | Super Rygbi Cymru |
| Newton Abbot Rugby Football Club | Newton Abbot | – |
| North Shields Rugby Football Club Community Interest Company | North Shields | – |
| North Tawton Rugby Football Club | North Tawton | – |
| Northallerton Rugby Club | Northallerton | – |
| Northampton Boys' Brigade Old Boys Rugby Football Club | Northampton | – |
| Northampton Mens Own Rugby Football Club | Northampton | – |
| Northampton Old Scouts Rugby Club | Northampton | – |
| Northampton Rugby Football Club | Northampton | Gallagher Premiership |
| Northolt Rugby | Bracknell | – |
| Norton Rugby Football Club | Gloucester | – |
| Norwich Rugby Football Club | Norwich | – |
| Nottingham Rugby Football Club (Operations) | Nottingham | Champ Rugby (national second tier) |
| Nottingham Rugby | Nottingham | Champ Rugby (national second tier) |
| Nuneaton Rugby Football Club | Nuneaton | – |
| Oadby Wyggestonian Rugby Football Club | Leicester | – |
| Oakmeadians Rugby Football Club | Bournemouth | – |
| Oban Lorne Rugby Football Club Scio | Oban | – |
| Okehampton Rugby Football Club | Okehampton | Regional 2 South West |
| Old Albanian Rugby Football Club | St. Albans | National League 2 East |
| Old Colfeians' Rugby Football Club | London | – |
| Old Colstonians Rugby Football Club | Bristol | – |
| Old Coventrians Rugby Football Club | Coventry | – |
| Old Culverhaysians Rugby Football Club | Bath | – |
| Old Emanuel Rugby Football Club | London | – |
| Old Freemen's Rugby Football Club | Kingston Upon Thames | – |
| Old Georgians Rugby Football Club | Andover | – |
| Old Grammarians Rugby Football Club | Tottenham, London | – |
| Old Millhillians Rugby Football Club | Harrow | – |
| Old Newtonians Rugby Football Club | Leicester | – |
| Old Priorian Rugby Football Club | Greenford, Greater London | – |
| Old Richians Rugby Football Club | Gloucester | – |
| Old Rishworthian Rugby Union Football Club | – | – |
| Old Streetonians Rugby Club | London | Middlesex Counties One (1st XV) |
| Old Sulians Rugby Football Club | Bath (Lansdown) | – |
| Old Verulamian Rugby Football Club | St Albans | – |
| Oldershaw Rugby Union Football Club | Wallasey | – |
| Oldham Rugby Union Football Club | Oldham | – |
| Olney Rugby Football Club | Olney | Regional 2 East Midlands |
| Ongar Rugby Football Club | Chelmsford | – |
| Orkney Rugby Football Club | Kirkwall | – |
| Ormskirk Rugby Union Football Club Charitable Incorporated Organisation | Ormskirk | – |
| Orrell (2007) Rugby Football Club | Orrell, Wigan | – |
| Ospreys Rugby | Swansea | United Rugby Championship |
| Ossett Rugby Union Football Club | Ossett | Counties 2 Yorkshire |
| Oundle Rugby Football Club (Professional) | Spalding | National League 2 East |
| Oundle Rugby Football Club | Oundle | – |
| Oxford Harlequins Rugby Football Club | Oxford | – |
| Oxford Rugby Football Club | Oxford | – |
| Paignton Rugby Football Club | Paignton | Counties 1 Western West |
| Painswick Rugby Football Club | Stroud | – |
| Pegasus Palmerians Rugby Football Club | Grays | – |
| Pembroke Rugby Football Club (Holdings) Limited | Pembroke | WRU Division Five West |
| Pembroke Rugby Football Club | Pembroke | WRU Division Five West |
| Penguin International Rugby Football Club | London | – |
| Percy Park Rugby Football Club | North Shields | Regional 1 North East |
| Perranporth Rugby Football Club | Perranporth | – |
| Pershore Rugby Union Football Club | Pershore | – |
| Peterborough Lions Rugby Club | Peterborough | – |
| Peterborough Rugby Union Football Club | Peterborough | – |
| Pewsey Vale Rugby Football Club | Pewsey | – |
| Pinley Rugby Football Club | Coventry | – |
| Pinner Rugby Football Club | Pinner | – |
| Plymouth Argaum Rugby Football Club | Plymouth | – |
| Plymouth Dolphins Rugby Football Club | Dartmouth | – |
| Plymstock Albion Oaks Rugby Football Club | Plymouth | – |
| Pocklington Rugby Club | York | – |
| Pontardawe Rugby Football Club | Pontardawe | – |
| Ponteland Rugby Football Club | Northumberland | – |
| Pontyclun Rugby Football Club | Pontyclun | WRU Division 3A South East |
| Poole Rugby Football Club | Poole | – |
| Port Sunlight Rugby Football Club | Bromborough | – |
| Portway Community Rugby | Solihull | – |
| Pulborough Rugby Football Club | Pulborough | – |
| Pumas Rugby Football Club | Southampton | – |
| Quorn Rugby Football Club | Quorn | – |
| Reading Abbey Rugby Football Club | Reading | – |
| Reading Renegades Rugby Football Club | Sonning | – |
| Rebels Rugby | Taunton | – |
| Redcar Rugby Union Football Club (Trading and Supporters Group) | Redcar | – |
| Redcar Rugby Union Football Club | Redcar | – |
| Redditch Cricket, Hockey and Rugby Football Club | Worcestershire | – |
| Redruth Rugby Football Club | Redruth | – |
| Reeds Weybridge Rugby Football Club | Weybridge | Regional 2 South Central |
| Reigate Rugby Football Club | Reigate | – |
| Resolven Rugby & Cricket Club | Neath | – |
| Rhigos Rugby Football Club | – | – |
| Rhiwbina Rugby Football Club | Cardiff | 1st team: National League 2 East Central; 2nds: East District Division 1 |
| Richmondshire Rugby Union Football Club | Richmond | – |
| Risborough Rugby Football Club | Princes Risborough | – |
| Risca Rugby Football Club | Newport | – |
| Rochford Hundred Rugby Football Club | Hawkwell | – |
| Romford & Gidea Park Rugby Football Club | Romford | – |
| Romsey Rugby Club | Bournemouth | – |
| Roseland Rugby Football Club | Truro | – |
| Ross Sutherland Rugby Club | Invergordon | – |
| Ross-on-Wye Rugby Football Club | Ross-on-Wye | – |
| Rotherham Rugby Club | Rotherham | – |
| Rotherham Titans Rugby | Rotherham | Champ Rugby (2nd tier) — promoted from National League 1 at the end of the 2025-26 season |
| Royal Navy Rugby Union | Portsmouth | – |
| Royston Rugby Union Football Club | Royston | – |
| Rugby Football Club Community Sports | Rugby | – |
| Rugby Football Club | Leamington Spa | – |
| Rugby St Andrews Rugby Football Club | Rugby | – |
| Rugeley Rugby Club | Cannock | – |
| Ruislip Rugby Football Club | Ruislip | – |
| Rumney Rugby Football Club | Cardiff | – |
| Ruskin Park Rugby Football Club | St Helens | – |
| Rye Rugby Football Club | Rye | – |
| Saffron Walden Rugby Football Club | Henham | – |
| Sandal Rugby Union Football Club | Sandal, Wakefield | – |
| Saracens Amateur Rugby Football Club | Southgate, London | – |
| Scunthorpe Rugby Union Football Club | Scunthorpe | – |
| Sefton Rugby Union Football Club | Liverpool | – |
| Sevenoaks Rugby Football Club | Sevenoaks | – |
| Sheffield Rugby Union Football Club | Sheffield | National League 1 (promoted from National League 2 North for 2026-27) |
| Sheffield Tigers Rugby Union Football Club | Sheffield | – |
| Sheppey Rugby Football Club | Sheerness | – |
| Shipston Rugby Football Club | Shipston On Stour | – |
| Shoreham Rugby Football Club | Lancing | – |
| Shrewsbury Rugby Union Football Club | Shrewsbury | – |
| Sidcup Rugby Football Club | Sidcup | – |
| Sidmouth Rugby Football Club | Sidmouth | – |
| Sileby Town Rugby Football Club | Leicester | – |
| Silhillians Rugby Union Football Club | Solihull | – |
| Silloth Rugby Football Club | Silloth | – |
| Skewen Rugby Football Club | Neath | WRU Admiral National League Division 1 West Central |
| Skipton Rugby Football Club | Skipton | – |
| Slough Rugby Football Club | Slough | – |
| Solent Sharks Wheelchair Rugby Club | Southampton | – |
| South Gower Rugby Football Club | Swansea | – |
| South Leicester Rugby Football Club | Chorley | Midlands 4 East (South) |
| South Shields Rugby Football Club | South Shields | Durham/Northumberland 2 |
| Southam Rugby Union Football Club | Southam | – |
| Southend Rugby Football Club (1870) | Industrial, Southend On Sea | Regional 1 South East |
| Southmead Rugby Football Club 1986 | Doncaster Road | – |
| Southwark Rugby Club | London | – |
| Southwell Rugby Union Football Club | Southwell | – |
| Southwold Rugby Football Club | Halesworth | – |
| St Austell Rugby Football Club | St. Austell | Regional 1 South West |
| St Brendan's Old Boys Rugby Football Club | Bristol | – |
| St Helens Rugby Football Club | St. Helens | – |
| St Leonards Rugby Football Club | St Leonards-on-Sea | – |
| St Pauls Cray Rugby Club | Bromley | – |
| St. Peter's Rugby Football Club | – | – |
| St.Clears Rugby Football Club | St Clears | – |
| Stamford College Old Boys Rugby Union Football Club | Peterborough | Midlands South (East) 4 |
| Stamford Rugby Union Football Club | Stamford | – |
| Stanley Rodillians Rugby Football Club | Stanley, Wakefield | – |
| Steelmen Rugby | Ebbw Vale | Super Rygbi Cymru |
| Stevenage Rugby Club | Stevenage | – |
| Stewartry Rugby Football Club | Castle Douglas | – |
| Stewarts & Lloyds (Corby) Rugby Football Club | Corby | – |
| Stewarts Melville Lions Mini Rugby | Edinburgh | Scottish National League Division Two |
| Stockport Rugby Union Football Club | Stockport | – |
| Stockton Rugby Football Club | Stockton-On-Tees | Counties 1 Durham & Northumberland |
| Stockwood Park Rugby Football Club | Luton | – |
| Stone Hockey and Rugby Club | Stone | – |
| Stornoway Rugby Football Club Scio | Stornoway | – |
| Stourbridge Lions Rugby Football Club | Stourbridge | – |
| Stourbridge Rugby Football Club | Stourbridge | – |
| Stow-on-The-Wold Rugby Football Club | Stow On The Wold | – |
| Strabane Rugby Club | Newtownstewart | – |
| Stratford-upon-Avon Rugby Football Club | Stratford Upon Avon | – |
| Strathaven Rugby Football Club | Strathaven | West Regional League Division 1 |
| Stroud Rugby | Dudley | – |
| Sutton Benger Rugby Football Club | Chippenham | – |
| Sutton Coldfield Rugby Football Club | Birmingham | Regional 2 North Midlands |
| Swaffham Rugby Football Club | Swaffham | – |
| Swanage and Wareham Rugby Football Club | Wareham | – |
| Swansea Rugby Football Club | Brynmill | – |
| Swindon Rugby Football Club | Swindon | – |
| Syston Rugby Football Club | Syston | – |
| Taff’S Well Rugby Football Club | Taff'S Well | WRU Div 2 East Central |
| Taibach Rugby Football Club | Port Talbot | WRU Division Five West Central |
| Tamworth Rugby Union Football Club | Tamworth | – |
| Tarleton Rugby Union Football Club | Southport | – |
| Team Endeavour Wheelchair Rugby Club | Plymouth | – |
| Telford Hornets Rugby Football Club | Telford | – |
| Tenbury Rugby Football Club | Tenbury Wells | – |
| Tetbury Rugby Football Club | Tetbury | – |
| Tewkesbury Rugby Football Club | Tewkesbury | – |
| Thames Rugby Football Club | Rainham | – |
| Thatcham Rugby Football Club | Thatcham | – |
| The Hammersmith & Fulham Rugby Football Club | London | Regional 2 South East |
| The Horden Rugby Football Club | Peterlee | – |
| The Law Society Rugby Football Club | London | England Rugby London & SE Division |
| The Novocastrians Rugby Football Club | Newcastle Upon Tyne | Regional 2 North |
| The Old Elthamians Rugby Football Club Youth Section | Herne Bay | Counties 1 South (senior team; youth section league not stated) |
| The Roundhegians Rugby Football Club | Leeds | – |
| The Royal Air Force Rugby Union | Henley Road, Medmenham | – |
| Thetford Rugby Club Land Holdings Limited | Thetford | – |
| Thetford Rugby Football Club | Thetford | – |
| Thorne Rugby Club | Doncaster | Counties 3 Yorkshire |
| Thornton Cleveleys Rugby Union Football Club | Thornton-Cleveleys | – |
| Thurrock Rugby Football Club | Grays | – |
| Tinies Rugby | Oakenholt | – |
| Titans Rugby | Rotherham | Championship (Champ Rugby, 2nd tier of English rugby) |
| Tiverton Rugby Football Club | Tiverton | – |
| Tondu Rugby Football Club | Bridgend | WRU Championship |
| Tonyrefail Rugby Football Club | Tonyrefail | – |
| Totnes Rugby Football Club | Totnes | – |
| Tottonians Rugby Football Club | Totton | – |
| Trimsaran Rugby Football Club | Kidwelly | – |
| Trowbridge Rugby Football Club (1931) | Trowbridge | – |
| Truro Rugby Football Club | Truro | Counties 1 Western West |
| Tunbridge Wells Rugby Football Club | Tunbridge Wells | Regional 1 South Central |
| Tupton Rugby Union Football Club | New Tupton, Chesterfield | – |
| Twickenham Rugby Football Club | Eastleigh | – |
| Tyldesley Rugby Union Football Club | Saddleworth | – |
| Tylorstown Rugby Football Community Club | Tylorstown | – |
| Tynedale Rugby Football Club | Corbridge | – |
| Uckfield Rugby Football Club | Uckfield | – |
| Ucs Old Boys Rugby Football Club | London | – |
| Upminster Rugby Football Club | Brentwood | – |
| Upper Eden Rugby Union Football Club | Kirkby Stephen | – |
| Upton Upon Severn Rugby Football Club | Upton upon Severn | – |
| Veseyans Rugby & Sports Club | Sutton Coldfield | – |
| Walcot Rugby Football Club | Bath | – |
| Wallasey Rugby Union Football Club | Wallasey | – |
| Wallingford Rugby Football Club | Wallingford | – |
| Wallsend Rugby Football Club Foundation | Wallsend | – |
| Wallsend Rugby Football Club | Wallsend | Counties 3 Durham & Northumberland |
| Walsall Rugby Football Club | Walsall | – |
| Wanstead Rugby Football Club | Woodford Green | – |
| Warrington Rugby Union Football Club | Warrington | – |
| Wasps Rugby Football Club | Derby | – |
| Watersheddings Rugby | Oldham | – |
| Wath-upon-Dearne Rugby Union Football Club | Rotherham | – |
| Wattstown Rugby Football Club | Ynyshir | – |
| Wellingborough Rugby Football Club | Great Doddington, Wellingborough | – |
| Wellington Rugby Football Club | Wellington | – |
| Welshpool Rugby Football Club | Welshpool | – |
| Wendens Ambo Rugby Football Club | Saffron Walden | – |
| Wensleydale Rugby Union Football Club | Leyburn | – |
| West Leeds Rugby Union Football Club | Wortley, Leeds | – |
| West London Rugby Football Club | Middlesex | – |
| West Norfolk Rugby Club | King'S Lynn | – |
| West Park Leeds Rugby Union Football Club | Bramhope, Leeds | – |
| West Park Rugby Football Club | St Helens | Regional 2 North West |
| Westbury On Severn Rugby Football Club | Westbury On Severn | – |
| Westcliff Rugby Football Club | Rochford | – |
| Westcombe Park Rugby Football Club | Orpington | – |
| Weston Rugby Football Club | Hitchin | – |
| Weymouth and Portland Rugby Football Club | Weymouth | – |
| Wheatley Hills (Doncaster) Rugby Football Club | Doncaster | – |
| Whitby Rugby Club | Whitby | – |
| Whitby Rugby Club Supporters | Whitby | – |
| Whitecraigs Rugby Club | Glasgow | – |
| Whitehall Rugby Football Club | Bristol | – |
| Whitehaven Rugby Football Club | Whitehaven | – |
| Whitton Lions Rugby Football Club | Hounslow | – |
| Wigton Rugby Union Football Club | Wigton | – |
| Wigtownshire Rugby Football Club | Stranraer | – |
| Windermere Rugby Union Football Club | Bowness-on-Windermere | – |
| Windsor Rugby Football Club | Windsor | National League Rugby |
| Winlaton Vulcans Rugby Football Club | Winlaton, Blaydon-on-Tyne | – |
| Winslow Rugby Union Football Club | Winslow | – |
| Witham Rugby Union Football Club | Witham | – |
| Wolverhampton Rugby Union Football Club | Wolverhampton | – |
| Woodford Rugby Club | Woodford Green | – |
| Worcester Rugby Club (Holdings) Company Limited | Malvern | – |
| Workington Rugby Football Club | Workington | – |
| Worksop Rugby Club Investors Consortium | Retford | – |
| Worksop Rugby Union Football Club | Mansfield | Midlands 4 East North |
| Wortley Rugby Union Football Club | Sheffield | – |
| Wotton Rugby Football Club | Dursley | – |
| Writtle Wanderers Rugby Club | Great Dunmow | England Rugby London & SE Division |
| Wyke Rugby (2020) | Bradford | Yorkshire Men's League / Yorkshire Juniors ARL |
| Yardley and District Rugby Football Club | Birmingham | – |
| Yarm Rugby Football Club | Yarm | – |
| Yate Rugby Football Club | Lincoln | – |
| Yeovil Rugby Club | Yeovil | – |
| Ynysybwl Rugby Football Community Club | Pontypridd | – |
| Yorkshire Rugby Academy | Twickenham | – |
| Ystalyfera Rugby Football Club | Swansea | – |
| Cantabrigian RFC | Cambridge | – |
| Sawston Rugby Club | Sawston | – |
| Market Harborough Rugby Union Football Club | Market Harborough | – |