| Ice Cream Factory Brewery No Cask Ale (York, North Yorkshire 2017-Still Brewing) | The Instant Karma Brewing Co Ltd Brewpub (Clay Cross, Derbyshire 2013-Still Brewing) |
| The Iceni Brewery (Elveden, Suffolk 1995-Still Brewing) | Intrepid Brewing Co Ltd (Brough, Derbyshire 2014-Still Brewing) |
| Ideal Day Family Brewery (St. Mellion, Cornwall 2023-Still Brewing) | The Inveralmond Brewery Ltd (Perth, Perth and Kinross 1997-Still Brewing) |
| The Idle Brewery Brewpub (West Stockwith, Nottinghamshire 2007-Still Brewing) | Iron Pier Brewery Ltd Taproom (Northfleet, Kent 2017-Still Brewing) |
| Ignition Brewery Taproom (London, Greater London 2018-Still Brewing) | Irwell Works Brewery Ltd Taproom (Ramsbottom, Greater Manchester 2010-Still Brewing) |
| The Ilkley Brewery Company Ltd (Ilkley, West Yorkshire 2009-Still Brewing) | Isca Ales Ltd (Holcombe Village, Devon 2005-Still Brewing) |
| Imperial Brewery Brewpub (Mexborough, South Yorkshire 2011-Still Brewing) | Isla Vale Alesmiths (Margate, Kent 2014-Still Brewing) |
| The Inadequate Brewery Limited Brewpub (Stoke-on-Trent, Staffordshire 2017-Still Brewing) | Island Brewery (Shalfleet, Isle of Wight 2010-Still Brewing) |
| The Incredible Brewing Co. (Bristol, Avon 2015-Still Brewing) | Islay Ales Co Ltd (Glenegedale, Argyll and Bute 2004-Still Brewing) |
| Indian Brewery (Birmingham, West Midlands 2015-Still Brewing) | The Isle of Eigg Brewery Limited Updated Taproom (Isle of Eigg, Inverness 2022-Still Brewing) |
| Indie Rabble Brewing Company Taproom (Windsor, Berkshire 2023-Still Brewing) | Isle of Harris Brewery Taproom (Leverburgh, Western Isles 2020-Still Brewing) |
| Indigenous Brewery Ltd (Chaddleworth, Berkshire 2014-Still Brewing) | Isle of Purbeck Brewery Brewpub (Studland, Dorset 2002-Still Brewing) |
| Inferno Brewery Ltd (Tewkesbury, Gloucestershire 2018-Still Brewing) | Isle of Skye Brewing Co (Leann an Eilein) Ltd (Uig, Ross and Cromarty 1995-Still Brewing) |
| Infinity Brewing Company Ltd (Birmingham, West Midlands 2020-Still Brewing) | Ivo Brewery Ltd (Somersham, Cambridgeshire 2020-Still Brewing) |
| Inishmacsaint Brewery Ltd (Drumskimly, County Fermanagh 2009-Still Brewing) | Ivybridge Brewing Company Ltd Taproom (Ivybridge, Devon 2019-Still Brewing) |
| The Inkspot Brewery Ltd (London, Greater London 2014-Still Brewing) | Izaak Walton Brewhouse Limited Brewpub (Norton Bridge, Staffordshire 2017-Still Brewing) |
| INNformal Brewery (Hungerford, Berkshire 2015-Still Brewing) | Cwrw Iâl Community Brewing Company (Eryrys, Clwyd 2014-Still Brewing) |
Infinite Session Contract Brewer Alcohol Free Only
Innis & Gunn Brewing Co Ltd Contract Brewer
Isle of Avalon Brewery Contract Brewer
Idle Valley Brewing Closed
(Retford, Nottinghamshire 2014-2018)
Imaginary Friends Brewing Limited Closed Brewpub
(Sherborne, Dorset 2018-2022)
Ind Coope Ltd Closed
(Burton Upon Trent, Staffordshire 1886-1997)
Independent Lakeland Breweries Closed Contract Brewer
Indian Summer Brewing Co Ltd Closed
(Saffron Walden, Essex 2012-2015)
Ingol Village Brewing Company Ltd Closed
(Preston, Lancashire 2021-2021)
Inner Bay Brewing Limited Updated Closed
(Inverkeithing, Fife 2016-2024)
Innocente Brewing Company Closed Cuckoo Brewer
Iris Rose Brewery Closed Brewpub
(Kingussie, Inverness 1997-2001)
Irving & Co Brewers Ltd Closed
(Portsmouth, Hampshire 2007-2023)
Isfield Brewing Company Closed
(Framfield, East Sussex 2012-2016)
Island Brewery Closed
(Newport, Isle of Wight 1991-1996)
Isle of Mull Brewing Co Ltd Closed
(Ledaig, Argyll and Bute 2005-2009)
Itchen Valley Brewery Ltd Closed
(Alresford, Hampshire 1997-2021)
Ivel Valley Brewery Closed Non-commercial Brewery
(Langford, Bedfordshire)
Ivybush Brewery Closed
(Edgbaston, West Midlands 1994-1998)
Last Updated : 01/03/2026