| Baste Bits Ltd | Chipping Norton | 2024 |
| Baste Events Ltd | Chipping Norton | 2024 |
| Bastian Management Limited | Oldbury | 2016 |
| Bastian Wealth Management Limited | Oldbury | 2016 |
| Bastion - Solutions Limited | London | 2014 |
| Bastiwin Solutions Limited | Abingdon | 2025 |
| Bastock & Bruce Limited | Solihull | 2019 |
| BAT Barbers Limited | Thatcham | 2019 |
| BAT Melech UK Limited | Middx | 2011 |
| Batbail Limited | Cottingham | 2024 |
| Batch Limited | London | 1999 |
| Batch Space Ltd | London | 2019 |
| Batchwood Limited | London | 1998 |
| Batd Academy Ltd | London | 2013 |
| Bate & Holland Funeral Services Limited | St. Helens | 2017 |
| Bates House & Garden Maintenance Ltd | Newark | 2023 |
| Bates Laundries Limited | London | 2009 |
| Bates Test Services Ltd | Warrington | 2019 |
| Bateson Promotions Limited | Bradford | 2024 |
| Bath (T2) Hairdressing Limited | Alton | 2000 |
| Bath and Main Associates Limited | Northampton | 2011 |
| Bath and Wells DBF Services Ltd | Wells | 2020 |
| Bath and Wells Diocesan Board of Finance(The) | Wells | 1915 |
| Bath Bullet Ltd | Bath | 1999 |
| Bath Chamber of Commerce (Incorporated) | Bristol | 1902 |
| Bath Chiropody Clinic Limited | Bath | 2008 |
| Bath Christian Trust | Bath | 2000 |
| Bath Clad Ltd | Stoke-On-Trent | 2022 |
| Bath Dreams Ltd | Harrow | 2017 |
| Bath Electrical Service Limited | | 2003 |
| Bath Gospel Trust | Bath | 2025 |
| Bath Ground Rent Estate Limited | Wiltshire | 1993 |
| Bath Health and Beauty Centre Ltd | Bath | 2013 |
| Bath Kaposvár Twinning Association Ltd | Bath | 2016 |
| Bath Moda Barbers Ltd | London | 2026 |
| Bath Old Edwardians Rugby Football Club | Bath | 2016 |
| Bath RE Enamelling Manchester Ltd | Bacup | 2024 |
| Bath Repair and RE Enamelling Bournemouth Limited | Bournemouth | 2026 |
| Bath Restoration Company Ltd | Bishop'S Stortford | 2020 |
| Bath Road Autocare Ltd | Rodstock | 2018 |
| Bath Road Barbers Ltd | Cheltenham | 2023 |
| Bath Skin Clinic Ltd | Bath | 2021 |
| Bath Spa Nails Ltd | Bath | 2025 |
| Bath Street Launderette Limited | Derby | 2013 |
| Bath Street Mews Limited | Rugby | 2003 |
| Bath Studio Limited | Croydon | 2022 |
| Bath Tails Grooming Ltd | Bolton | 2023 |
| Bath Washco Ltd | Bath | 2022 |
| Bath Welcomes Refugees | Radstock | 2016 |
| BATHCO89 Limited | Paisley | 2022 |
| Bathgate Barbers Ltd | Bathgate | 2026 |
| Bathgate Nails & Spa Limited | Bathgate | 2025 |
| Bathhouse Grooming Ltd | Llandudno | 2025 |
| Bathroom Bliss Limited | Preston | 2021 |
| Bathroom Giant Ltd | Leicestershire | 2016 |
| Bathroom Innovations Limited | Stockport | 2019 |
| Bathroom Manufacturers Association | Stoke-On-Trent | 2010 |
| Bathroom Rejuvenation Ltd | Aylesbury | 2023 |
| Bathroom Tile Centre Limited | London | 2017 |
| Bathroom Valet Service Ltd | Dundee | 2021 |
| Bathroom Valet Service Network Ltd | Dundee | 2022 |
| Bathsheba (Suffolk) Limited | Woodbridge | 2018 |
| Bati Limited | Daventry | 2018 |
| Batif Barber Limited | Ivybridge | 2025 |
| Batir Financial Services Ltd | London | 2012 |
| Batlan Limited | London | 2015 |
| Batley Nails Bar Ltd | Batley | 2024 |
| Batley Recycling Ltd | Dewsbury | 2024 |
| Baton Twirling Association Cymru | Llanelli | 2020 |
| Batten Dorset Ltd | Poole | 2014 |
| Battenberg Service Limited | Cambridge | 2023 |
| Battenhall Limited | Pershore | 2012 |
| Battens Jewellers Ltd | Bridport | 2002 |
| Batterbury Limited | Chesham | 2013 |
| Battered Black Book Limited | Letchworth Garden City | 2016 |
| Batters Consultancy Ltd | Bath | 2020 |
| Battersby Property Services Ltd | Wickford | 2023 |
| Battersby Upholstery Limited | Merseyside | 2003 |
| Battersea Barbers Ltd | London | 2024 |
| Battersea Beauty Ltd | London | 2019 |
| Battersea Bridge Investments Limited | Newport | 1997 |
| Battersea Crime Prevention Panel | London | 1999 |
| Battersea Cuts Limited | London | 2026 |
| Battersea DRY Cleaners Ltd | London | 2015 |
| Battersea DRY Cleaners(London) Ltd | London | 2026 |
| Battersea Foot Care Limited | London | 2022 |
| Battersea Gents Grooming Ltd | London | 2026 |
| Battersea K9 Ltd | London | 2026 |
| Battersea Kids Karate CIC | London | 2025 |
| Battersea Men's Grooming Ltd | London | 2024 |
| Battersea Park Businesses Ltd | London | 2018 |
| Battersea Studios Ltd | Cardiff | 2024 |
| Battersea Triangle 34/41 Limited | London | 1986 |
| Battery Manufacturing Services Limited | London | 1999 |
| Battery Solutions York Ltd | York | 2007 |
| Battery Solutions Yorkshire Ltd | York | 2023 |
| Battisti Hairdressing Limited | Belfast | 2005 |
| Battistinis Holding Group Limited | Lymington | 2025 |
| Battle Beard Ltd | Dartford | 2024 |
| Battle Bunker Ltd | Gateshead | 2016 |