| Bumford Holdings Limited | Bilston | 2017 |
| Bumper Holdings Ltd | Hungerford | 2023 |
| Bumper International Limited | Sheffield | 2013 |
| Bumper SPV2 Ltd | Sheffield | 2017 |
| Bumper SPV3 Ltd | Sheffield | 2019 |
| Bumper SPV4 Ltd | Sheffield | 2019 |
| Bumper UK 2021-1 Finance Holdings Limited | London | 2020 |
| Bumperco Limited | London | 2021 |
| Bumphall Investments Ltd | Sheffield | 2019 |
| Bums Ltd | Manchester | 2025 |
| Bunanda Holdings Ltd | London | 2021 |
| Bunch of Grapes Holdings Limited | Pontypridd | 2016 |
| Bunch of Investors Ltd | Altrincham | 2024 |
| Bundle of Works Limited | Huddersfield | 2020 |
| Bundle Properties Ltd | Fareham | 2026 |
| Bundoran Investments Limited | London | 2026 |
| Bunge Corporation Limited | Thame | 1995 |
| Bungle Company 3 Limited | Bootle | 2025 |
| Bungle Company 4 Limited | Bootle | 2026 |
| Bungula Limited | Truro | 2017 |
| Bunk Group Limited | Nottingham | 2017 |
| Bunka Holdings Ltd | Wetherby | 2026 |
| Bunker Financial Services Ltd | South Shields | 2026 |
| Bunker Insure Ltd | London | 2020 |
| Bunker Project GRS Ltd | London | 2024 |
| Bunker Riley Ltd | | 1997 |
| Bunker Tech Limited | Hartlepool | 2023 |
| Bunkerpay Ltd | London | 2022 |
| Bunn Group Limited | Balsall Common | 2023 |
| Bunn Holdings Limited | Attleborough | 2018 |
| Bunn Investments Limited | London | 2025 |
| Bunna Services Ltd | Birmingham | 2022 |
| Bunns Lane Development Limited | London | 2024 |
| Bunnybuild Holdings Ltd | London | 2019 |
| Bunnyhome Group Ltd | London | 2013 |
| Bunnyhome Limited | London | 2013 |
| Bunnyhome Rental Holdings Ltd | London | 2019 |
| Buno Contracting Limited | Milton Keynes | 2024 |
| Bunroy Limited | Roy Bridge | 2026 |
| Bunse Holding Limited | Newcastle Upon Tyne | 2018 |
| Bunten Holdings Ltd | Cambridge | 2016 |
| Bunting & SON Holdings Ltd | Swaffham | 2025 |
| Bunting Capital Limited | Southam | 2025 |
| Bunting Developments Limited | Loughton | 2025 |
| Bunting Financial Ltd | Redcar | 2025 |
| Bunting Lead Management Limited | York | 2026 |
| Bunton Plant Hire Limited | Bradford | 2011 |
| Bunton Property Ltd | Calne | 2020 |
| Buntyferret Investments Limited | Milton Keynes | 2019 |
| Buntzen Limited | Ealing | 2024 |
| Bunzl Holding WWE Limited | London | 2021 |
| Buonvisi Limited | London | 2021 |
| Buoy UK Holdco Limited | London | 2025 |
| Bupa Care Homes (HH) Limited | London | 2006 |
| Bupa Care Homes (Holdings) Limited | London | 2016 |
| Bupa Diagnostic & Secondary Care (London) Limited | London | 2020 |
| Bupa India Holdings UK Limited | London | 2025 |
| Bupa Insurance Limited | London | 2000 |
| Bupa NVH Limited | London | 2025 |
| Burak.Consultancy Limited | Enfield | 2025 |
| Buraq Capital Ltd | Derby | 2023 |
| Buraq Holdings Limited | Darwen | 2024 |
| Burbage Finance Ltd | Bedworth | 2013 |
| Burberry (Espana) Holdings Limited | London | 2004 |
| Burberry (NO. 7) Unlimited | London | 2003 |
| Burberry (UK) Limited | London | 2001 |
| Burberry Europe Holdings Limited | London | 2002 |
| Burberry Finance Limited | London | 2005 |
| Burberry Haymarket Limited | London | 2003 |
| Burberry Holdings Limited | London | 2001 |
| Burberry International Holdings Limited | London | 2001 |
| Burberry Latin America Limited | London | 2010 |
| Burberry London Limited | London | 2001 |
| Burberrys Limited | London | 1928 |
| Burbo Extension Holding Ltd | London | 2016 |
| Burbo Extension PSC Limited | London | 2016 |
| Burbo Ltd | Brentwood | 2024 |
| Burbrew Ltd | Cowbridge | 2021 |
| Burcam Ltd | London | 2023 |
| Burcap Limited | London | 2026 |
| Burch Credits Limited | Bewdley | 1960 |
| Burch Financial Group Ltd | Norwich | 2026 |
| Burchmore Property Limited | Luton | 2024 |
| Burcombe Group SW Limited | Plymouth | 2021 |
| Burcombe Ltd | South Molton | 2026 |
| Burcone Limited | Stockport | 2002 |
| Burcos Group Limited | Glasgow | 2026 |
| Burcot Holdings Limited | London | 2014 |
| Burda Principal Investments Limited | London | 2016 |
| Burdall Holdings Limited | Sudbury | 2026 |
| Burden Bros Holdings Limited | Banbury | 2010 |
| Burden Bros Investments Limited | Banbury | 2021 |
| Burden Holdings Limited | Harrow | 2001 |
| Burden's UK Holdings Limited | Ashford | 2025 |
| Burdess Group Holdings Limited | Keighley | 2025 |
| Burdett Capital Management Ltd | London | 2020 |
| Burdett Investment Group Ltd | Middlesbrough | 2026 |
| Burdett Legal Ltd | Cheltenham | 2022 |
| Burdett O'Hanlon Ltd | Writtle | 2012 |
| Burdett Trading Co. Limited | Loughton | 1988 |