| Bduk Ltd | Real estate | 2024 |
| BE - LED UK Ltd | Wholesale & retail | 2021 |
| BE Automotive Limited | Wholesale & retail | 2025 |
| BE Free Together Limited | Health & social care | 2025 |
| BE Grateful Ltd | Other services | 2020 |
| BE Housing Ltd | Real estate | 2025 |
| BE More Monty Limited | Financial services | 2023 |
| BE My Guest York Ltd | Real estate | 2022 |
| BE Radiant Aesthetics Ltd | Other services | 2020 |
| Beal Ventures Limited | Financial services | 2020 |
| Bealee HV Power Ltd | Professional & scientific | 2026 |
| Beam Design (UK) Ltd | Professional & scientific | 2002 |
| Beanland Knight Limited | Hospitality | 2019 |
| Bear Builders Limited | Construction | 2019 |
| Bear Development (PHF) Ltd | Construction | 2022 |
| Bear Development Holdings Ltd | Financial services | 2022 |
| Bear Gardening Limited | Administrative & support | 2017 |
| Bearberry Insights Limited | Education | 2013 |
| Bearing 305 Productions Limited | Information & communication | 2018 |
| Bearl Equine Clinic Limited | Professional & scientific | 2014 |
| Beast Furniture Ltd | Wholesale & retail | 2026 |
| Beaties Limited | Other services | 2025 |
| Beatus Rogue Limited | Professional & scientific | 2022 |
| Beau Sleep Limited | Wholesale & retail | 2016 |
| Beauchamp Grange (Caister) Residents Management Company Limited | Households | 2018 |
| Beaumont Childs Holdings Ltd | Financial services | 2025 |
| Beaumonte Projects Ltd | Construction | 2020 |
| Beauty Bar One Limited | Other services | 2006 |
| Beauty Boutique Yorkshire Ltd | Other services | 2021 |
| Beauty by Fallon Ltd | Other services | 2026 |
| Beauty Luxury Limited | Wholesale & retail | 2026 |
| Beazer Group Limited | Financial services | 1980 |
| Beazer Homes (Anglia) Limited | Extraterritorial | 1971 |
| Beazer Homes (Barry) Limited | Extraterritorial | 1987 |
| Beazer Homes (FLE) Limited | Extraterritorial | 1989 |
| Beazer Homes (Fnlhs) Limited | Extraterritorial | 1987 |
| Beazer Homes (South Wales) Limited | Extraterritorial | 1989 |
| Beazer Homes (Wessex) Limited | Extraterritorial | 1987 |
| Beazer Homes and Property Limited | Extraterritorial | 1982 |
| Beazer Homes Bedford Limited | Extraterritorial | 1960 |
| Beazer Homes Birmingham Central Limited | Extraterritorial | 1973 |
| Beazer Homes Bridgwater Limited | Extraterritorial | 1951 |
| Beazer Homes Bristol Limited | Extraterritorial | 1960 |
| Beazer Homes Cardiff Limited | Extraterritorial | 1964 |
| Beazer Homes Doncaster Limited | Extraterritorial | 1969 |
| Beazer Homes Limited | Extraterritorial | 1940 |
| Beazer Homes Nottingham Limited | Extraterritorial | 1936 |
| Beazer Homes Reigate Limited | Extraterritorial | 1919 |
| Beazer Homes Stockport Limited | Extraterritorial | 1957 |
| Beazer Homes Yateley Limited | Extraterritorial | 1960 |
| Beazer London Ltd | Extraterritorial | 1980 |
| Beazer Partnership Homes Midlands Limited | Extraterritorial | 1988 |
| Beazer Swaffham Limited | Extraterritorial | 1970 |
| Beazer Urban Developments (Anglia) Limited | Extraterritorial | 1948 |
| Beazer Urban Developments (Bedford) Limited | Extraterritorial | 1936 |
| Beazer Urban Developments (East Midlands) Ltd | Extraterritorial | 1988 |
| Beazer Urban Developments (South West) Limited | Extraterritorial | 1988 |
| Beazer Western Engineering Services Limited | Extraterritorial | 1984 |
| BEB Conveyancing Limited | Professional & scientific | 2026 |
| BECAUSE2 Limited | Public administration | 2021 |
| Bechellente Limited | Information & communication | 2024 |
| Becker Sands Ltd | Hospitality | 2022 |
| Beckets Grove Management Company Limited | Households | 2012 |
| Beckingtons Holdings Limited | Financial services | 2015 |
| Beckingtons Limited | Professional & scientific | 2003 |
| Beckingtons Properties Ltd | Extraterritorial | 2022 |
| Beckside Developments Holdings Limited | Professional & scientific | 2025 |
| Beckside Developments Limited | Construction | 2012 |
| Beckwith Knowle Developments Ltd | Other services | 2013 |
| BED and Bark Ltd | Real estate | 2021 |
| BED4NIGHT C.I.C. | Hospitality | 2025 |
| Bedale Grange (T F P) Limited | Health & social care | 2005 |
| Bedern Hall Community Interest Company | Real estate | 1982 |
| Bedern Management Company Limited | Real estate | 1983 |
| Bedford Desai Limited | Health & social care | 2016 |
| Bedford Mews RTM Company Limited | Households | 2013 |
| Bedingham York Ltd | Professional & scientific | 2022 |
| Beds and Bedding Limited | Manufacturing | 2009 |
| BEE Business Ltd | Professional & scientific | 2012 |
| BEE Liners Limited | Transport & logistics | 2010 |
| BEE Social Group Limited | Information & communication | 2022 |
| Beech Avenue Holgate Limited | Households | 2024 |
| Beech Court (Brough) Management Limited | Real estate | 2006 |
| Beech Manco Ltd | Households | 2026 |
| Beech York Limited | Real estate | 2023 |
| Beechcourt Properties Ltd | Households | 2025 |
| Beechpath Limited | Extraterritorial | 1989 |
| Beechthorpe Capital Limited | Real estate | 2012 |
| Beechwood Caravan Park York Limited | Hospitality | 2019 |
| Beechwood Close (Fangfoss) Management Company Limited | Real estate | 2016 |
| Beechwood Estates (Yorkshire) Limited | Real estate | 2001 |
| Beechwood Projects Limited | Real estate | 2023 |
| Beechwood Veterinary Group Limited | Professional & scientific | 2008 |
| Beefound.Agency Ltd | Professional & scientific | 2025 |
| Beehive Yarns Ltd | Wholesale & retail | 2021 |
| Beer and Co (Events) Ltd | Extraterritorial | 2014 |
| Beer Fest Buddy Ltd | Information & communication | 2025 |
| Beer Paradise (York) Limited | Wholesale & retail | 2009 |
| Beera Market Ltd | Wholesale & retail | 2025 |
| Beespoke Worktops Limited | Construction | 2014 |