| Name/Location | County | Open | Close | Comment |
| J & MA | . | . | . | See Jones & Mather |
| J C & R H Palmer | . | . | . | See Palmer |
| J CHURCH, Kettering | Leicestershire | 2007 | . | Uses Nobbys site/plant |
| J Nimmo | . | . | . | See Castle Eden |
| J P S | . | . | . | See Simpkiss |
| J PHIPPS ALES (Banbury), Banbury | Northamptonshire | No Brewery | . | Contract brewed by Hoggley's until premises found in Northamptonshire |
| J W Lees | . | . | . | See Lees |
| JACOBI Brewery of CAIO, Pumsaint, Llanwrda | Carmarthenshire | 2006 | . | . |
| Jacobs | . | . | . | See Nailsea |
| James Shipstone | . | . | . | See Shipstone |
| JARROW, Primrose Hill, Jarrow | Tyne & Wear | 2002 | 2008 | Located at The Robin Hood Inn. See also Westhoe Brewhouse |
| JENNINGS, Cockermouth | Cumbria | 1828 | . | Castle Brewery. Acquired by W&DB 2005 |
| JERSEY, St Helier, Jersey | C I | Reg 1905 | . | Aka Ann Street. Keg only from late 1950s except 1992-99. See also Guernsey, Tipsy Toad and Townhouse |
| JERSEY & TIPSY TOAD, St Savior, Jersey | C I | 2004 | . | Plant ex Jersey & Tipsy Toad |
| JHS, Wimbourne | Staffordshire | 2008 | . | Planning to move to The Fox Inn, Broadheath, Tenbury Wells during 2008 |
| John Bull Brewery | . | . | . | See Paine |
| JOHN EASTWOOD, Elland | W Yorkshire | 2003 | 2007? | Located at The Barge & Barrel PH. Moved from Linthwaite 2005. Formerly John Eastwood. Aka Wood End. See also Mitchell Eastwood |
| JOHN JEFFREY, Edinburgh | Midlothian | 1837 | 1992 | Heriot Brewery. Acquired by Bass 1960 |
| John Joule & Sons | . | . | . | See Joule & Sons |
| John Landregan Off-licence | . | . | . | See Reigate |
| JOHN O'GAUNT, John o'Gaunt, Melton Mowbray | Leicestershire | 1997 | 2004 | Moved from the Stag & Hounds, Burrough on the Hill 1998 & from Somerby 2002 |
| John Roberts | . | . | . | See Roberts |
| John Smith | . | . | . | See Scottish Courage, Tadcaster |
| JOHN THOMPSON, Ingleby, Melbourne | Derbyshire | 1977 | . | Located at the John Thompson Inn. Also brewed for High Peak |
| Joiners Arms | . | . | . | See Swansea |
| JOLLY BREWER, Wrexham | Denbigshire | 2005? | . | . |
| JOLLY FENMAN, Sidcup | Kent | 1984 | 1988 | Part of Clifton Inns (Watneys) |
| JOLLY ROGER, Hereford | Herefordshire | 1990 | 1994 | Aka Original Hereford Brewing Co |
| JOLLY ROGER, Nuneaton | Warwickshire | 1995 | 1996 | . |
| JOLLY ROGER, Upton-on-Severn | Worcestershire | 1983 | 1987 | Located at The Old Anchor PH. Ownership change 1985 |
| JOLLY ROGER, Worcester | Worcestershire | 1992 | 1996 | Aka Faithful City |
| JOLLY ROGER, Worcester | Worcestershire | 1985 | 1992 | Aka Brewery Tap |
| Jolly Sailors | . | . | . | See Brancaster |
| JOLLYBOAT, Bideford | Devon | 1995 | . | Aka Parrys |
| JONES & MATHER, Brierley Hill | W Midlands | 1996 | 1997 | Aka 'J & MA' |
| Joseph Holt | . | . | . | See Holt |
| Joshua Tetley | . | . | . | See Tetley |
| JOULE & SONS, Stone | Staffordshire | 1780 | 1972 | Acquired by Bass 1968. Aka John Joule & Sons |
| JOULE'S, Stone | Staffordshire | No brewery | . | Contract brewed by Coach House until plant installed at The Swan PH. Source: Quaffale |
| JUDGES, Rugby | Warwickshire | 1992 | 1999 | Moved 1995. Ceased briefly & ownership change1999 |
| JUNIORS, Ipswich | Suffolk | 1996? | 1996? | . |
| JUWARDS, Wellington | Somerset | 2005 | . | Brewed 1994-2004. Shared Moor Beer site 2003-4. See also Bishops & Blackdown. |