| Bristol Soft Furnishing Ltd | Loughton | 2025 |
| Bristol Style Collective Limited | Bristol | 2016 |
| Bristol Tailoring Ltd | Bristol | 2022 |
| Bristol Tattoo Convention Ltd. | Newquay | 2014 |
| Bristol Utilities Limited | Bristol | 2023 |
| Bristol Vineyard | Bristol | 1995 |
| Bristol Wessex Billing Services Limited | Bristol | 2001 |
| Bristol Wild Sauna Ltd | Bristol | 2025 |
| Bristol Yoga Roots Project CIC | Bristol | 2020 |
| Bristol ZEN Dojo (1998) Ltd | Bristol | 1998 |
| Bristol-Myers Squibb Trustees Limited | Denham | 1990 |
| Bristolmade Limited | Bristol | 2021 |
| Bristowe DRY Cleaners Limited | Bournemouth | 2009 |
| Bristowe Refrigeration & A/C Ltd | Teignmouth | 2021 |
| Brit Certify Ltd | Romford | 2024 |
| Brit Deaf Motorsport CIC | Buckinghamshire | 2026 |
| Brit Euro Inclusive Limited | London | 2021 |
| Brit Media Company Pro Limited | Ampthill | 2024 |
| Brit POP Events Ltd. | London | 2025 |
| Brit Readymix Concrete Limited | Slough | 2017 |
| Brit Talent Limited | London | 2022 |
| Brit Travel Ltd | Stourbridge | 2016 |
| Britain - Australia Society(The) | London | 1971 |
| Britain Nepal Chamber of Commerce | London | 2020 |
| Britain Unbound Ltd | London | 2026 |
| Britain's Heritage Ltd | Leicester | 2022 |
| Britania AU Pair Ltd | Brighton | 2018 |
| Britania General Services Limited | London | 2001 |
| Britania HCW Ltd | Chatteris | 2015 |
| Britania S.G. Ltd | London | 2019 |
| Britania World Limited | London | 2025 |
| Britaniacrest Properties Ltd | Redhill | 2017 |
| Britaniaface Limited | London | 2025 |
| Britanialine Enterprises Limited | London | 2025 |
| Britanialynx Limited | London | 2025 |
| Britaniamark Limited | Woking | 2023 |
| Britaniamile Limited | London | 2025 |
| Britaniaside Services Limited | London | 2026 |
| Britannia Aesthetics Ltd | Nottingham | 2026 |
| Britannia Beauty Bar Ltd | Luton | 2022 |
| Britannia Business Association Limited | Peterborough | 2026 |
| Britannia Business Centre Management Company Limited | Malvern | 2006 |
| Britannia Concierge Services Ltd | London | 2021 |
| Britannia Corp Limited | Wirral | 2020 |
| Britannia Economical Support Trust | London | 2010 |
| Britannia Fasteners Limited | Stoke On Trent | 1991 |
| Britannia Firework Displays Limited | Nottingham | 2012 |
| Britannia GB Ventures Ltd | London | 2023 |
| Britannia Investments Luton Ltd | Luton | 2022 |
| Britannia IT Solutions UK Limited | Barking | 2016 |
| Britannia Laundrette 2 Ltd | Barking | 2015 |
| Britannia Laundrette 4 Ltd | East Ham | 2015 |
| Britannia Limited | London | 2001 |
| Britannia ROW Productions Training Limited | Weybridge | 2012 |
| Britannia Services Group Limited | Lichfield | 1993 |
| Britannia Silver Limited | Birmingham | 2023 |
| Britannia Trading Enterprise Limited | Dartmouth | 2025 |
| Britannia Trustees Ltd | Edinburgh | 2025 |
| Britannia Way Storage Limited | London | 2019 |
| Britannia Wills Limited | East Grinstead | 1991 |
| Britanniacall Limited | London | 2019 |
| Britanniacove Limited | London | 2026 |
| Britanniae Mint Ltd | Southharrow | 2015 |
| Britanniaside Limited | London | 2020 |
| Britannia’S Finest Limited | Grimsby | 2021 |
| Britannia’S Gold Research Limited | London | 2021 |
| Britannic Marketing Limited | Sunbury On Thames | 2017 |
| Britannica VIP Services Ltd | South Croydon | 2023 |
| Britannicats Club | Bexhill On Sea, East Sussex | 2024 |
| Britanova Consulting Ltd | Wembley | 2026 |
| Britavie Home Ltd | London | 2025 |
| Britbasics Ltd | London | 2016 |
| Britboost Marketing Ltd | London | 2024 |
| Britbridge Immigration Ltd | Watford | 2026 |
| Britcham Shanghai Ltd | London | 2014 |
| Britcom Technologies Limited | Helsby | 2004 |
| Brite Solutions Electrical Limited | Hayes | 2012 |
| Britech Engineering Ltd | Bathgate | 2017 |
| Britech Services Ltd | Beaconsfield | 2024 |
| Briteclean Limited | Milton Keynes | 2011 |
| Britedd Ltd | Ottery St. Mary | 2019 |
| Britek Solar Ltd | Bolton | 2022 |
| Briteside Cleaning Services Limited | Paignton | 2005 |
| Briteson Limited | Walsall | 2018 |
| Britfin Ltd | London | 2016 |
| Britfix Repairs Limited | London | 2024 |
| Britguard Locksmiths Ltd | Bristol | 2023 |
| Britianwholesale Ltd | Dunstable | 2023 |
| Britinnia Cooling & Engineering Services Limited | Glasgow | 2025 |
| British & Colombian Chamber of Commerce | London | 1996 |
| British & Irish Association of Fastener Distributors Limited | Eye | 2009 |
| British & Irish Group for the Study of Personality Disorders | Exeter | 2008 |
| British - Ethiopian Chamber of Commerce Limited | Hemel Hempstead | 2022 |
| British Academy of Audiology | London | 2003 |
| British Action Academy Limited | London | 2009 |
| British Activity Providers Association | Hitchin | 1990 |
| British Acupuncture Federation | Macclesfield | 2013 |
| British Advertising Broadcast Awards Limited | London | 1974 |
| British Aerosol Manufacturers' Association | Stevenage | 1983 |
| British African Business Alliance Limited | London | 2015 |