| The Oak Brewery Brewpub (Sevenoaks, Kent 2018-Still Brewing) | Opa Hay's Brewery (Aldeby, Norfolk 2008-Still Brewing) |
| Oakham Ales (Brewpub) Brewpub (Peterborough, Cambridgeshire 1993-Still Brewing) | Ora Brewing Company Ltd Taproom (London, Greater London 2016-Still Brewing) |
| Oakham Ales (Production Brewery) (Peterborough, Cambridgeshire 2006-Still Brewing) | Orbit Beers Taproom (London, Greater London 2014-Still Brewing) |
| The Oaks Brewing Co Ltd (Little Stanney, Cheshire 2017-Still Brewing) | Orkney Brewery Taproom (Quoyloo, Orkney 1988-Still Brewing) |
| Odin's Manx Beers Limited (Union Mills, Isle of Man 2019-Still Brewing) | Orm's Øl (Ormside, Cumbria 2025-Still Brewing) |
| Odyssey Brew Co Ltd (Whitbourne, Herefordshire 2014-Still Brewing) | Ormeau Brewing Co No Cask Ale (Belfast, Belfast 2022-Still Brewing) |
| The Oil Basin Brew House Brewpub Alternative Name (Worcester, Worcestershire 2015-Still Brewing) | Oscar's Brewery (Nelson, Lancashire 2018-Still Brewing) |
| Okell & Sons Ltd (Kewaigue, Isle of Man 1850-Still Brewing) | The Ossett Brewing Company Limited Taproom (Ossett, West Yorkshire 1998-Still Brewing) |
| Old Cannon Brewery Ltd Brewpub (Bury St Edmunds, Suffolk 1999-Still Brewing) | Ostlers Ales Ltd Brewpub (Birmingham, West Midlands 2016-Still Brewing) |
| Old Farmhouse Brewery (St Davids, Dyfed 2021-Still Brewing) | Other Monkey Brewing No Cask Ale Taproom (Colchester, Essex 2015-Still Brewing) |
| The Old Felixstowe Brewing Company (Kirton, Suffolk 2018-Still Brewing) | Otherworld Brewing Ltd (Dalkeith, Midlothian 2021-Still Brewing) |
| Old Friends Brewery Brewpub (Ulverston, Cumbria 2019-Still Brewing) | Cwrw Otley Brewpub (Pontypridd, Mid Glamorgan 2022-Still Brewing) |
| Old Goat Brewery Brewpub (Stansfield, Suffolk 2023-Still Brewing) | Otter Brewery Ltd (Luppitt, Devon 1990-Still Brewing) |
| Old Luxters Farm Brewery (Hambleden, Buckinghamshire 1990-Still Brewing) | Our Brewery (Randalstown, County Antrim 2022-Still Brewing) |
| Old Mill Brewery (Snaith, East Riding of Yorkshire 1983-Still Brewing) | Out of Office Brewing Brewpub No Cask Ale (Belfast, Belfast 2022-Still Brewing) |
| Old Pie Factory Brewery Limited (Warwick, Warwickshire 2011-Still Brewing) | Out There Brewing Co (Newcastle upon Tyne, Tyne and Wear 2012-Still Brewing) |
| Old Sawley Brewing Company Brewpub (Long Eaton, Derbyshire 2013-Still Brewing) | Outgang Brewery Ltd Brewing Suspended Brewpub (Kinsley, West Yorkshire 2017-Brewing Suspended) |
| Old School Brewery Taproom (Warton, Lancashire 2012-Still Brewing) | The Outhouse Brewery Taproom (Wokingham, Berkshire 2021-Still Brewing) |
| Old Street Brewery Ltd Taproom (London, Greater London 2020-Still Brewing) | Outlandish Brewing Company (Glenboig, Lanarkshire 2020-Still Brewing) |
| Old Tree Brewery (Glynde, East Sussex 2015-Still Brewing) | The Outpost Brewing Suspended Taproom (London, Greater London 2020-Brewing Suspended) |
| Old Vicarage Brewery Taproom (Walton, Cumbria 2018-Still Brewing) | Outwoods Brewing Co Ltd Taproom (Burton-on-Trent, Staffordshire 2024-Still Brewing) |
| Olde Swan Brewery Brewpub (Netherton, West Midlands 1835-Still Brewing) | Overbite Brewhouse Ltd (Hereford, Herefordshire 2022-Still Brewing) |
| On Point Brew Co Taproom (Bristol, Avon 2022-Still Brewing) | Overkill Microbrewery Brewpub (Newcastle upon Tyne, Tyne and Wear 2016-Still Brewing) |
| On The Edge Brewery (Sheffield, South Yorkshire 2012-Still Brewing) | Overtone Brewing Co (Glasgow, Glasgow City 2018-Still Brewing) |
| On The Level Brew Co (Wrantage, Somerset 2023-Still Brewing) | Oxford Brewery Taproom (Horspath, Oxfordshire 2009-Still Brewing) |
| One Man And His Dog Brewery Updated Brewpub (Higher Walton, Lancashire 2025-Still Brewing) | Oxhey Village Brewery (Watford, Hertfordshire 2018-Still Brewing) |
| Only With Love Brewery (Goddards Green, West Sussex 2020-Still Brewing) |
Old Chimneys Brewery Cuckoo Brewer
Old Fountain Brewhouse Brewing Suspended Brewpub Foreign Contract Brewer
Old Worthy Brewing Company Ltd Contract Brewer
Outhouse Brewing Ltd Brewing Suspended Cuckoo Brewer
| D. O'Brien Brewery Limited Closed (Whetstone, Leicestershire 2016-2018) | The Old Vault Brewing Company Limited Closed Brewpub (Thorne, South Yorkshire 2017-2019) |
| O'Connor Craft Beers Closed No Cask Ale (Greysteel, County Derry 2015-2020) | Old Wheelton Brewery Closed Brewpub (Wheelton, Lancashire 2001-2003) |
| O'Hanlon's Brewery Ltd Closed (Whimple, Devon 1996-2013) | Old Windsor Brewery Ltd Closed (Windsor, Berkshire 2016-2019) |
| Oak Brewery Co Ltd Dead Brand (Heywood, Greater Manchester 1982-Still Brewing) | Oldershaw Brewery Dead Brand (Barkston Heath, Lincolnshire 1997-Still Brewing) |
| Oakhill Brewery Closed (Oakhill, Somerset 1984-2004) | Oldham Brewery Ltd Closed (Oldham, Greater Manchester 1868-1982) |
| Oakleaf Brewing Company Limited Closed (Gosport, Hampshire 2000-2016) | Ole Slew Foot Brewing Company Ltd Closed (North Walsham, Norfolk 2009-2015) |
| Oakwell Brewery Closed (Barnsley, South Yorkshire 1997-2013) | Ollie's Brewery Closed (Cardiff, South Glamorgan 2016-2018) |
| Oakwood Brewery Closed (Wells-next-the-Sea, Norfolk 2015-2020) | OMEBEER Closed Taproom (London, Greater London 2013-2023) |
| Oast House Breweries Cyf Closed Cuckoo Brewer | One Degree East Brewery Closed (Great Bricett, Suffolk 2018-2019) |
| Oates Brewing Company Closed (Halifax, West Yorkshire 2012-2017) | One Mile End Brewery Closed Taproom (London, Greater London 2013-2023) |
| Oban Ales Ltd Closed (Kilmelford, Argyll and Bute 2010-2010) | The Orange Brewery Closed Brewpub (Pimlico, Greater London 1983-2001) |
| Oban Bay Brewery Closed Brewpub (Oban, Argyll and Bute 2009-2016) | Orchard Brewery Bar Closed Brewpub (Barnsley, South Yorkshire 1999-2003) |
| The Occasional Brewing Co Closed (Silverton, Devon 2014-2016) | Orchard Brewery Closed (Scawby Brook, Lincolnshire 2000-2002) |
| Odcombe Ales Closed Brewpub (Odcombe, Somerset 2001-2004) | Ordnance City Brewery Closed (Ashcott, Somerset 2012-2016) |
| The Odcombe Brewery Closed Brewpub (Odcombe, Somerset 2005-2020) | Organic Brewhouse Closed (The Lizard, Cornwall 2000-2018) |
| Oddly Limited Closed Cuckoo Brewer | Origami Brewing Company Ltd Closed Cuckoo Brewer Small Format |
| Odley Ales Closed (Bridgnorth, Shropshire 2013-2016) | Original Brewing Company (Basildon) Closed Brewpub (Basildon, Essex 1998-2000) |
| Off The Wall Sister Plant Dead Brand | Original Brewing Company (Birmingham) Closed Brewpub (Rednal, West Midlands 1998-2000) |
| Offa's Dyke Brewery Closed Brewpub (Trefonen, Shropshire 2006-2020) | Original Brewing Company (Bracknell) Closed Brewpub (Bracknell, Berkshire 1997-2000) |
| Offbeat Brewery Ltd Closed (Crewe, Cheshire 2010-2018) | Original Brewing Company (Cardiff) Closed Brewpub (Cardiff, South Glamorgan 1997-2000) |
| Cwrw Ogwen Cif Closed (Bethesda, Gwynedd 2017-2023) | Original Brewing Company (Finchley) Closed Brewpub (London, Greater London 1996-2000) |
| The Old Bank Street Brew House Closed Brewpub (Manchester, Greater Manchester 1983-1985) | Original Brewing Company (Glasgow) Closed Brewpub (Bargeddie, Lanarkshire 1997-2000) |
| Old Barn Brewery Closed (Tow Law, County Durham 1997-2001) | Original Brewing Company (Horwich) Closed Brewpub (Horwich, Greater Manchester 1998-2000) |
| Old Bear Brewery Closed (Keighley, West Yorkshire 1992-2015) | Original Brewing Company (Leeds) Closed Brewpub (Leeds, West Yorkshire 1998-2000) |
| The Old Bog Brewery Closed Brewpub (Headington, Oxfordshire 2005-2018) | Original Brewing Company (Leicester) Closed Brewpub (Braunstone, Leicestershire 1995-2000) |
| The Old Boot Brewing Co Closed (Bacup, Lancashire 2020-2022) | Original Brewing Company (Sheffield) Closed Brewpub (Sheffield, South Yorkshire 1998-2000) |
| The Old Brewery Closed Brewpub (London, Greater London 2010-2016) | Original Brewing Company (Stevenage) Closed Brewpub (Stevenage, Hertfordshire 1996-2000) |
| Clarence Tavern and Old Chapel Brewery Closed Brewpub (Gosport, Hampshire 1999-2000) | Original Brewing Company (Surrey Quays) Closed Brewpub (London, Greater London 1998-2000) |
| Old Cottage Beer Co Closed (New Hutton, Cumbria 1996-1998) | Original Brewing Company (Watford) Closed Brewpub (Watford, Hertfordshire 1996-2000) |
| The Old Court Brewhouse Closed Brewpub (Huddersfield, West Yorkshire 1994-2000) | Original Brewing Company Closed Brewery Group |
| The Old Cross Tavern Brewery Closed Brewpub (Hertford, Hertfordshire 2008-2019) | The Original Hereford Brewing Company Closed Brewpub (Hereford, Herefordshire 1990-1994) |
| The Old Dairy Brewing Co Ltd Closed Taproom (Tenterden, Kent 2010-2022) | Otherton Ales Limited Closed Cuckoo Brewer |
| The Old Foreigner Brewery Closed Brewpub (Glenkindie, Aberdeenshire 2007-2010) | Otherton Ales Ltd Closed Cuckoo Brewer |
| Old Forge Brewery Closed Brewpub (Pett, East Sussex 1995-1998) | The Otley Brewing Company Limited Closed (Pontypridd, Mid Glamorgan 2005-2018) |
| The Old Forge Brewery Closed Brewpub (Coleshill, Oxfordshire 2010-2018) | Oulton Ales Ltd Closed (Lowestoft, Suffolk 1993-2008) |
| Old Friends Brewery Ltd Closed (Cambridge, Cambridgeshire 2016-2019) | Ouseburn Valley Brewery Closed (Newcastle upon Tyne, Tyne and Wear 2010-2017) |
| Old Hands Dead Brand (Twickenham, Greater London 2004-Still Brewing) | Out of Town Brewing Limited Closed (Cumbernauld, Lanarkshire 2016-2020) |
| The Old Inn Brewhouse Closed Brewpub (Gairloch, Ross and Cromarty 2010-2022) | Outlaw Brewing Company Taproom Dead Brand (Harrogate, North Yorkshire 1992-Still Brewing) |
| Old Johnnies Brewery Closed Brewpub (Hungerford, Berkshire 2015-2015) | Outstanding Brewing Co Ltd Closed (Salford, Greater Manchester 2008-2020) |
| Old Kent Brewery Company Closed (Borough Green, Kent 2000-2003) | Ovenstone 109 Ltd Updated Closed (Ovenstone, Fife 2018-2023) |
| Old Kent Road Brewery Closed (London, Greater London 2019-2021) | Owenshaw Mill Brewery Ltd Closed (Sowerby Bridge, West Yorkshire 2011-2015) |
| Old Laxey Brewing Co. Ltd Closed (Laxey, Isle of Man 1997-2020) | Owl Brewing Co Ltd Closed (Oldham, Greater Manchester 2004-2008) |
| Old London Bridge Brewery Closed (London, Greater London 2000-2000) | Oxbrew Ltd Closed (Freeland, Oxfordshire 2017-2020) |
| The Old Market Brewery Closed (Caernarfon, Gwynedd 2014-2017) | Oxenhope Moorlands Brewery Closed Brewpub (Oxenhope, West Yorkshire 2003-2004) |
| Old Moll Spring Brewing Co Ltd Taproom Dead Brand (Moll Springs, West Yorkshire 2019-Still Brewing) | The Oxford Bakery & Brewhouse Closed Brewpub (Oxford, Oxfordshire 1984-1989) |
| Old Pint Pot Brewery Closed Brewpub (Salford, Greater Manchester 1996-2000) | Oxford Brewery Ltd Closed (Kidlington, Oxfordshire 2002-2003) |
| The Old Prentonian Brewing Co Ltd Closed (Sompting, West Sussex 2016-2019) | Oxfordshire Ales Closed (Marsh Gibbon, Buckinghamshire 2005-2015) |
| Old Spot Brewery Limited Closed (Cullingworth, West Yorkshire 2005-2022) | The Oxted Brewery Ltd Closed (Oxted, Surrey 2015-2021) |
| Old Stables Brewing Company Closed Brewpub (Sandy, Bedfordshire 2002-2006) | The Oyster Bar & Brewery Closed Brewpub (Ellenabeich, Argyll and Bute 2005-2008) |
| Old Street Brewery Ltd Closed Taproom (London, Greater London 2018-2021) | Öl Nano Brewery & Bar Closed Brewpub No Cask Ale (Manchester, Greater Manchester 2017-2021) |
Last Updated : 01/03/2026