We list 54 breweries in the Historic County of Hertfordshire. Of these, 22 are open breweries, 32 are closed breweries and 0 are otherwise categorised (see footnote).
| 3 Brewers of St Albans (Hatfield, Hertfordshire 2013-Still Brewing) | Mad Squirrel Unhinged Beers Tap Room (Hemel Hempstead, Hertfordshire 2004-Still Brewing) |
| Baron Brewing Small Format (Great Hormead, Hertfordshire 2021-Still Brewing) | McMullen & Sons Ltd (Hertford, Hertfordshire 1827-Still Brewing) |
| The Belgian Brewer Tap Room (Bishop's Stortford, Hertfordshire 2019-Still Brewing) | New River Brewery Ltd (Hoddesdon, Hertfordshire 2015-Still Brewing) |
| Bowtie Brewers (Watford, Hertfordshire 2019-Still Brewing) | The Old Cross Tavern Brewery Brewing Suspended Brewpub Photo (Hertford, Hertfordshire 2008-Brewing Suspended) |
| Bubble Works Brew Co (Hitchin, Hertfordshire 2018-Still Brewing) | Oxhey Village Brewery (Watford, Hertfordshire 2018-Still Brewing) |
| Buntingford Brewery Limited Photo (Royston, Hertfordshire 2001-Still Brewing) | Paradigm Brewery Ltd (Sarratt, Hertfordshire 2015-Still Brewing) |
| Creative Juices Brewing Company Ltd Tap Room (Maple Cross, Hertfordshire 2019-Still Brewing) | Pope's Yard Brewery Ltd (Hemel Hempstead, Hertfordshire 2012-Still Brewing) |
| Crossover Blendery Limited Tap Room Small Format (Weston, Hertfordshire 2020-Still Brewing) | Six Hills Brewing Tap Room (Stevenage, Hertfordshire 2017-Still Brewing) |
| Farr Brew Tap Room (Wheathampstead, Hertfordshire 2014-Still Brewing) | The Tring Brewery Company Ltd (Tring, Hertfordshire 1992-Still Brewing) |
| Garden City Brewery Brewpub (Letchworth Garden City, Hertfordshire 2016-Still Brewing) | The Two Bob Brewing Company Ltd (Welwyn, Hertfordshire 2021-Still Brewing) |
| Lock 81 Brewery Limited (Watford, Hertfordshire 2019-Still Brewing) | White Hart Tap Brewing Suspended Brewpub (St.Albans, Hertfordshire 2015-Brewing Suspended) |
| Alehouse Pub & Brewing Co Ltd Closed Brewpub Photo (St. Albans, Hertfordshire 2006-2010) | Fox and Hounds (Barley) Closed Brewpub (Barley, Hertfordshire 1982-1997) |
| Alford Arms Brewhouse Closed Brewpub (Frithsden, Hertfordshire 1981-1995) | The Garden Barber Brewery Closed (Hertford, Hertfordshire 2001-2004) |
| Ash Valley Brewery Closed Brewpub (Green Tye, Hertfordshire 2014-2018) | Green Tye Brewery Closed (Green Tye, Hertfordshire 1999-2013) |
| Banfield Ales Closed (Buntingford, Hertfordshire 2000-2004) | Hadham Brewery Closed Tap Room (Little Hadham, Hertfordshire 2015-2023) |
| Barley Brewery Closed Brewpub (Barley, Hertfordshire 1982-1997) | Haresfoot Craft Beer Closed (Chesham, Hertfordshire 2014-2020) |
| Barnet Brewery Closed Brewpub (Barnet, Greater London 2013-2021) | Harpenden Brewery Closed Brewpub (Harpenden, Hertfordshire 1994-1997) |
| Benskin's Watford Brewery Ltd Closed (Watford, Hertfordshire 1720-1972) | Mix Brewery Closed (Hemel Hempstead, Hertfordshire 2013-2019) |
| Berkhamstead Brewery Closed (Bourne End, Hertfordshire 1984-1990) | Original Brewing Company (Stevenage) Closed Brewpub (Stevenage, Hertfordshire 1996-2000) |
| Bishop's Stortford Brewery Ltd Closed (Green Tye, Hertfordshire 2014-2019) | Original Brewing Company (Watford) Closed Brewpub (Watford, Hertfordshire 1996-2000) |
| Bog Brew Beers Limited Tap Room Dead Brand (Stevenage, Hertfordshire 2017-Still Brewing) | Philanthropist & Firkin Closed Brewpub (St Albans, Hertfordshire 1994-1999) |
| Crafty Hare Closed (Chesham, Hertfordshire 2014-2020) | Red Squirrel Brewery Ltd Tap Room Dead Brand (Hemel Hempstead, Hertfordshire 2004-Still Brewing) |
| Dark Horse Brewing Co. (Hertford) Ltd Closed (Hertford, Hertfordshire 1996-2002) | Sawbridgeworth Brewery Closed Brewpub Photo (Sawbridgeworth, Hertfordshire 2000-2019) |
| The Fishery Inn Brewery Co Closed Brewpub (Elstree, Hertfordshire 1994-1995) | Summershed Brewery Closed (Wigginton, Hertfordshire 2019-2020) |
| Flag & Firkin Closed Brewpub (Watford, Hertfordshire 1997-1999) | Tilbury Ales Closed (Hertford, Hertfordshire 1996-2002) |
| Fledgling & Firkin Closed Brewpub (Hertford, Hertfordshire 1997-1999) | Verulam Brewery Closed Brewpub Photo (St Albans, Hertfordshire 1997-2015) |
| Foragers Brewery Closed Brewpub (St Albans, Hertfordshire 2015-2019) | Woodlands Brewery Closed (Buntingford, Hertfordshire 2001-2002) |
Other categories of "brewery" include, amongst others, brewers whose status is uncertain and probably not brewing, closed breweries whose brands are produced elsewhere and brewery groups non-brewing headquarters. Contract, cuckoo and gypsy brewers, who are free to move premisses, and not allocated to a county.
Last Updated : 13th September 2023