| Bestview Properties Limited | London | 2011 |
| Bestway Investments Limited | Ilford | 2026 |
| Bestwood Holdings Limited | Bingham | 2025 |
| Besty Holdings Limited | London | 2019 |
| Beswick Funding Ltd | Stockport | 2019 |
| Beswick Holdings Ltd | High Wycombe | 2018 |
| BET Bidco Limited | Nottingham | 2019 |
| BET Capital Ltd | London | 2026 |
| Beta Actuarial Solutions Ltd | London | 2015 |
| Beta Akoya Reitco Limited | Liverpool | 2022 |
| Beta Family Investments Ltd | Bolton | 2019 |
| Beta Growth Limited | Edinburgh | 2015 |
| Beta Holding Group Limited | Kingston Upon Thames | 2022 |
| Beta Holdings Limited | London | 2006 |
| Beta Inter Pro Ltd | Manchester | 2017 |
| Beta LAB Ltd | Sheffield | 2022 |
| Beta Leasing One Limited | London | 2021 |
| Beta Marine Holdings Limited | Quedgeley | 2023 |
| Beta One Holding Limited | London | 2021 |
| Beta Squad Holdings Limited | London | 2023 |
| Beta UK Investments Ltd | London | 2021 |
| Beta Wealth Management Limited | Loughborough | 2017 |
| Betamindes Group Limited | Crewe | 2022 |
| Betan Holdings Limited | Normanton | 2025 |
| Betaplus International Synergy Limited | Rainham | 2024 |
| Betarange Holdings Limited | Peterborough | 2025 |
| Betatec Solutions Limited | Worsley | 2020 |
| Betel Holdings Ltd | London | 2026 |
| Betelgeuse Capital Ltd | London | 2019 |
| Betelgeuse Holdings 1 Ltd | London | 2025 |
| Betelgeuse Holdings 2 Ltd | London | 2025 |
| Betelgeuse Holdings 3 Ltd | London | 2026 |
| Betelgeuse Trade Limited | London | 2025 |
| Betengav Limited | London | 2022 |
| Beth @ Beewise FS Limited | Weston Super Mare | 2024 |
| Beth Aubin Limited | Solihull | 2025 |
| Beth Lyon Ltd | Albrighton | 2017 |
| Beth Samuel Property Finance Limited | Berkhamsted | 2016 |
| Beth Saunders Financial Services Ltd | Christchurch | 2016 |
| Bethany Lodge (MGT) Limited | Surbiton | 2008 |
| Bethel Mortgages Ltd | Saxmundham | 2025 |
| Bethesda Healthcare Ltd | London | 2011 |
| Bethlea Management Limited | Burton On Trent | 2026 |
| Bethlehem Ltd | London | 2023 |
| Bethree Financial Limited | Warrington | 2026 |
| Betjeman Holdings Jvco Limited | London | 2017 |
| Betjeman Holdings Limited | London | 2017 |
| Betjeman Holdings Midco Limited | London | 2017 |
| Betoota Holdings Ltd | London | 2020 |
| Betr Brokers Limited | Ruislip, | 2024 |
| Betr Living (Yorkshire) Ltd | Sheffield | 2022 |
| Betsa Capital Partners Limited | East Grinstead | 2017 |
| Betsa Holdings Limited | London | 2026 |
| Bett Capital Ltd | Romsey | 2026 |
| Bettamix Properties Limited | Burnley | 2015 |
| Better Annuity Ltd | Milton Keynes | 2011 |
| Better Assistance Ltd. | Oldham | 2023 |
| Better Bars Group Ltd | London | 2026 |
| Better Capital Invest Ltd | Wembley | 2025 |
| Better DOT Store Ltd | London | 2024 |
| Better Earth Limited | Sevenoaks | 2023 |
| Better Future Financial Planning Limited | London | 2024 |
| Better Health Group Limited | Birmingham | 2016 |
| Better Hold Co Limited | Bournemouth | 2025 |
| Better Invest Direct Limited | Sutton Coldfield | 2000 |
| Better Life Community Initiative Ltd | Hornchurch | 2025 |
| Better Lives Group Ltd | Kettering | 2024 |
| Better Mortgages and Protection Ltd | Thornton-Cleveleys | 2024 |
| Better Nest Limited | Peterborough | 2023 |
| Better Online Limited | Weston-Super-Mare | 2018 |
| Better Payment Solutions Limited | Newport | 2020 |
| Better Place Holdings Ltd | Woking | 2023 |
| Better Planet Holding Limited | Potters Bar | 2024 |
| Better Price Consulting Ltd | Lisburn | 2016 |
| Better Protect Limited | Blackpool | 2017 |
| Better Rates Ltd | Bury St. Edmunds | 2019 |
| Better Retirement Group Limited | London | 1992 |
| Better Retirement Limited | Milton Keynes | 2010 |
| Better Society Capital Limited | London | 2011 |
| Better Solutions Group Limited | Consett | 2021 |
| Better Steps FS Ltd | Watford | 2021 |
| Better Taste Holding 1 Ltd | London | 2020 |
| Better Taste Holding 2 Ltd | London | 2020 |
| Better Than Average Group Limited | Woking | 2023 |
| Better the Devil Ltd | Sevenoaks | 2019 |
| Better Wealth Ltd | Grantham | 2025 |
| Better World CB Limited | Oswestry | 2020 |
| BETTER2KNOW Holdings Limited | Carnforth | 2023 |
| Betteredge Capital Limited | London | 2024 |
| Betteridge Group Holdings Ltd | Southampton | 2025 |
| Betteridge Investment Holdings Limited | London | 2025 |
| Betteridge Property Holding Limited | London | 2020 |
| Betterlife Financial Services Ltd | Barking | 2020 |
| Betterman Group Ltd | London | 2015 |
| Betterpace Limited | Norwich | 1996 |
| Bettersafe Products Ltd | Teddington | 2012 |
| Betterstore Self Storage Holdco 2 Limited | Ruislip | 2026 |
| Bettervest Crowd Limited | Exeter | 2024 |
| Betti Holdings Ltd | Glasgow | 2022 |
| Bettles Property Limited | Peterborough | 2015 |