| Berlinetta Films Ltd | Hastings | 2021 |
| Bermuda Place RTM Company Limited | Epsom | 2004 |
| Bermudez Investment Group Limited | Poole | 2021 |
| Bern Lighting Ltd | London | 2018 |
| BERN1E Ltd | Harrogate | 2021 |
| Bernadette Kathleen Broadway Limited | Leicester | 2025 |
| Bernadette Mary Felix Limited | Greenford | 2025 |
| Bernafon (UK) Limited | Birmingham | 1989 |
| Bernard & Mary Sunley Limited | Woking | 1987 |
| Bernard Brogan Limited | Larbert | 1953 |
| Bernard C Living Estates Ltd | Ongar | 2018 |
| Bernard Construction (Stepney) Limited | London | 2005 |
| Bernard Hunter (Holdings) Limited | Edinburgh | 2016 |
| Bernard Interiors (Newcastle) Limited | Newcastle Upon Tyne | 2010 |
| Bernard Sunley & Sons Limited | Woking | 2004 |
| Bernard Watson Limited | Preston | 2016 |
| Bernards Court Limited | Croydon | 2015 |
| Berncell Limited | London | 1989 |
| Berndtsdotter Investment Limited | London | 2021 |
| Berneliai Limited | London | 2017 |
| Berner UK Limited | London | 2018 |
| Bernerd and Partners Limited | London | 2011 |
| Berni King Ltd | Westcliff-On-Sea | 2021 |
| Bernicia House Limited | Amble | 2016 |
| Bernina Limited | Ilford | 1988 |
| Bernina Sewing Machines Limited | Ilford | 1988 |
| Berns Investments Ltd | Gateshead | 2011 |
| Berntsen Bygg OG BAD Invest Limited | London | 2025 |
| Beroean School of Thought Ltd | Brighton | 2017 |
| Beroo Limited | Arundel | 2019 |
| Berrico Ltd | Stockton-On-Tees | 2022 |
| Berridge Farms Limited | Banbury | 2012 |
| Berrins Apartments Residents Limited | Co Londonderry | 2000 |
| Berrow Property Limited | Dudley | 2015 |
| Berrud Limited | | 1936 |
| Berry 51 Limited | Market Harborough | 2014 |
| Berry Franchise Consultancy Ltd | Bedale | 2008 |
| Berry Medical Services Limited | Merseyside | 2010 |
| Berry Mortgage Solutions Limited | Chorley | 2014 |
| Berry Smith Lawyers Limited | Cardiff | 1996 |
| Berry Trustees Limited | Market Harborough | 2017 |
| Berry UK Pension Trustees Limited | Corby | 2011 |
| Berrycast Productions Ltd | Norwich | 2022 |
| Berryfield and District Community Association Trustees Limited | Bodmin | 2008 |
| Berryfields Estates Limited | Tring | 2017 |
| Berryfields Lettings Limited | Tring | 2017 |
| Berrygate Interactive Limited | Luton | 2015 |
| Berrylaw Farms Limited | Dunfermline | 2010 |
| Berryrange Holdings Ltd | Medway | 2025 |
| Berserk Systems Ltd. | Hampton | 2019 |
| Bert and Ernie Properties Limited | Ballyhackamore | 2005 |
| BERT1E Ltd | Harrogate | 2026 |
| Bertalan Euro Trans Ltd | Rugby | 2017 |
| Bertarelli Partners Limited | London | 2011 |
| Bertbaby Ltd | London | 2024 |
| Bertee Workwear Ltd | London | 2017 |
| Berthmaster Ltd | Little Paxton St Neots | 2019 |
| Bertie and French Ltd | Doncaster | 2014 |
| Bertie Chesterton Limited | Harrogate | 2025 |
| Bertie Limited | Harrogate | 2025 |
| Bertie Property Holdings Limited | St Albans | 2017 |
| Bertie Terrace Management Limited | Leamington Spa | 1989 |
| Bertram Clinic Ltd | Bristol | 2020 |
| Bertram Close Residents Association Limited | Wirral | 2006 |
| Berubik Limited | Kington | 2021 |
| Berweiler Ltd | Haverfordwest | 2023 |
| Berwick ST James (Assets) Limited | St Austell | 2016 |
| Berwyn Granite Quarries Limited | Derby | 1904 |
| Bery Grange Portfolio Ltd | Birmingham | 2021 |
| Berydia Ltd | London | 2024 |
| Beryl MED UK Limited | London | 2006 |
| Beryllium Ltd | Harrogate | 2012 |
| BES Fusion Co., Ltd | Beckenham | 2018 |
| Besa BES Yachting Ltd | London | 2025 |
| Besa Limited | Penrith | 2015 |
| Besam Ltd | Manchester | 2022 |
| Besblock Limited | Coalville | 1972 |
| Bescotti Ltd | Swindon | 2021 |
| Besener Invest Limited | London | 2023 |
| Besener Trading Limited | London | 2023 |
| Besich Limited | Somerset | 2021 |
| Besilas (Ukco) Limited | Manchester | 2022 |
| Besilda Ltd | Loughborough | 2010 |
| Besimcho Limited | Woodford Green | 2014 |
| Besley 1964 Limited | Tiverton | 2013 |
| Besoon Industry PTE. Ltd. | London | 2020 |
| Bespic Limited | Tewkesbury | 1974 |
| Bespoke AI Ltd | London | 2022 |
| Bespoke Campers Ltd | Bristol | 2012 |
| Bespoke Car Buyer Ltd | Milton Keynes | 2024 |
| Bespoke Caviar Limited | Warminster | 2021 |
| Bespoke Cinemas Ltd | Leeds | 2018 |
| Bespoke Contracting Limited | Sandycroft | 2025 |
| Bespoke Dash & Billet Ltd | Newport | 2011 |
| Bespoke Developments (NW) Ltd | Liverpool | 2013 |
| Bespoke Disco Limited | Paignton | 2016 |
| Bespoke Electrical & Maintenance Limited | Harlow | 2022 |
| Bespoke Electrical Services Ltd | Dagenham | 2023 |
| Bespoke Embroidery Limited | Nuneaton | 2021 |
| Bespoke Fridges Limited | Newcastle-Under-Lyme | 2021 |