| Bbelectrical Contracting Ltd | Construction | 2025 |
| Bbexex Limited | Wholesale & retail | 2018 |
| Bbga Holdco Limited | Financial services | 2025 |
| Bbgw Polos Ltd | Wholesale & retail | 2026 |
| Bbkb Limited | Manufacturing | 2014 |
| BBM Leeds Ltd | Hospitality | 2026 |
| BBM Lincoln Ltd | Hospitality | 2026 |
| BBM Watford Ltd | Hospitality | 2026 |
| BBP Management Services UK Limited | Other services | 2018 |
| Bbpi Holdings Limited | Financial services | 2022 |
| Bbpi Limited | Financial services | 1996 |
| BBS I.O.W Limited | Construction | 2020 |
| BBS Services Ltd | Construction | 2019 |
| Bbstylehouse Ltd | Wholesale & retail | 2024 |
| BC Care Ltd | Health & social care | 2021 |
| BCC Civil Engineering Ltd | Construction | 2018 |
| BCC Leeds Trading Ltd | Other services | 2016 |
| Bcch Property Ltd | Real estate | 2021 |
| Bcch Trading Ltd | Real estate | 2025 |
| BCD Property Developments Limited | Extraterritorial | 2006 |
| BCD Supplies Limited | Administrative & support | 2016 |
| BCE Consultancy Ltd | Professional & scientific | 2022 |
| BCE Supplies Ltd | Manufacturing | 2019 |
| BCG Group Holdings Limited | Financial services | 2025 |
| BCG Group Properties Ltd | Real estate | 2025 |
| BCG North Limited | Construction | 2022 |
| BCG Northern Ltd | Construction | 2024 |
| BCM Consulting Group Limited | Administrative & support | 2024 |
| BCP Realisations (2008) Limited | Manufacturing | 1985 |
| Bcplusnews Ltd | Information & communication | 2021 |
| BCR Property Group Limited | Real estate | 2023 |
| BCS 2016 Ltd. | Administrative & support | 2014 |
| BCS Electrics Contracting Ltd | Construction | 2025 |
| BCS Security Solutions Ltd | Administrative & support | 2020 |
| BCS Solutions WM Ltd | Administrative & support | 2022 |
| BCW International Limited | Wholesale & retail | 2025 |
| BD Construction Yorkshire Ltd | Construction | 2026 |
| BD Delivery Ltd | Transport & logistics | 2023 |
| BD Real Estate Limited | Real estate | 2025 |
| BD Spice Leeds Ltd | Hospitality | 2022 |
| BD7 Ice Ltd | Hospitality | 2019 |
| BDA Insights Limited | Professional & scientific | 2024 |
| BDC Properties Ltd | Real estate | 2025 |
| BDC Wellness Ltd | Administrative & support | 2024 |
| BDE Grab Services Ltd | Construction | 2023 |
| BDK Interiors Ltd | Construction | 2022 |
| BDM Recruitment Limited | Administrative & support | 2023 |
| BDS MEP Limited | Professional & scientific | 2017 |
| BDT Care Solutions Ltd | Health & social care | 2016 |
| BDW Marketing Ltd | Administrative & support | 2025 |
| BE Beautiful by GHP Limited | Health & social care | 2023 |
| BE Fitness (Ecclesall) Limited | Arts & recreation | 2013 |
| BE Fuelcards Holdings Limited | Professional & scientific | 2010 |
| BE Fuelcards Ltd | Administrative & support | 1987 |
| BE Kind Productions Ltd | Information & communication | 2013 |
| BE Monsterful Ltd | Education | 2020 |
| BE More Rhubarb Limited | Professional & scientific | 2025 |
| BE Part of IT Productions Limited | Administrative & support | 2017 |
| BE Secured UK Ltd | Administrative & support | 2018 |
| BE Seen BE Safe Ltd | Wholesale & retail | 2018 |
| BE World Class Limited | Professional & scientific | 2012 |
| BE World Class Media Limited | Information & communication | 2022 |
| BE YOU Aesthetics Ltd | Administrative & support | 2017 |
| BE YOU Care Services Ltd | Health & social care | 2014 |
| BE YOU Medical Group Ltd | Other services | 2022 |
| BE YOU Properties Ltd | Real estate | 2023 |
| BE YOU Skin Ltd | Wholesale & retail | 2022 |
| BEA Trading Limited | Wholesale & retail | 1987 |
| Beaches Pickering Ltd | Real estate | 2021 |
| Beachwood Properties Group Ltd | Real estate | 2026 |
| Beachwood Solicitors Ltd | Professional & scientific | 2015 |
| Beacon (Leeds) Limited | Hospitality | 2015 |
| Beal (UK) Limited | Wholesale & retail | 1999 |
| Beam Strategic Research and Consulting Limited | Information & communication | 2009 |
| Beam Works CIC | Wholesale & retail | 2018 |
| Beamsley Ecology Ltd | Professional & scientific | 2019 |
| Bean & Co Consulting Ltd | Administrative & support | 2025 |
| Bean 2 CUP Coffee Ltd Limited | Wholesale & retail | 2019 |
| Bean Coffee Management Ltd | Wholesale & retail | 2016 |
| Bean Investment Group Ltd | Real estate | 2024 |
| Beanify Ltd | Hospitality | 2013 |
| Beanland (Assets) Ltd | Financial services | 2026 |
| Beanoco Ltd | Manufacturing | 2025 |
| Bear & Bristle Limited | Professional & scientific | 2022 |
| Bear and FLY Limited | Education | 2015 |
| Bear Design & Renovation Services Limited | Construction | 2021 |
| Bear Fashion Ltd | Manufacturing | 2023 |
| Bearbull Ltd. | Construction | 2021 |
| Beard & Barnet Limited | Other services | 2016 |
| Bearfox Media Ltd | Arts & recreation | 2023 |
| Bearmount Holdings Limited | Information & communication | 2025 |
| Bearwood Interiors Limited | Construction | 2003 |
| Beast Engineering Ltd | Arts & recreation | 2024 |
| Beasthammer Ltd | Wholesale & retail | 2013 |
| Beat Route Tours Ltd | Administrative & support | 2013 |
| Beatkpr Outbound Ltd | Professional & scientific | 2026 |
| Beau Brides Limited | Wholesale & retail | 2019 |
| Beaufort Financial Planning (Yorkshire) Limited | Financial services | 2009 |
| Beaufort Office Park Management Company Limited | Real estate | 1990 |
| BEAULA16 Healthcare Limited | Health & social care | 2022 |