15 open producers
- UBREW, Bermondsy, Greater London
- U Brew, Bermondsey, London, Greater London
- Uffa, Lower Ufford, Woodbridge, Suffolk
- Uley, Uley, Gloucestershire
- Ulverston, Ulverston, Cumbria
- Unbarred, Hove, East Sussex
- Unsworth's Yard, Cartmel, Cumbria
- Untapped, Cardiff, South Glamorgan
- Untapped, St Alban`s, Hertfordshire
- Up Front, Glasgow, Lanarkshire
- Upham, Bishops Waltham, Southampton, Hampshire
- Uprising, Windsor, Berkshire
- Upstairs Brewing, Croydon, Greater London
- Urban Huntsman, Bristol
- Urban Island, Portsmouth, Hampshire
12 closed producers
- Uddington,
- Ufford Ales, Ufford, Stamford, Cambridgeshire
- Uncle Stuart's, Blofield, Norwich, Norfolk
- Unicorn Inn, Ketley, Telford, Shropshire
- Union, Hayes, Greater London
- Union, Holbeton, Plymouth, Devon
- United Breweries of India, Buckingham, Buckinghamshire
- Upper Arbrigg,
- Urban, Birmingham, West Midlands
- Urban Brewhouse, York, North Yorkshire
- Usher's, Trowbridge, Wiltshire
- Usher's,
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