| Beeston Animal Health Limited | Extraterritorial | 1994 |
| Begin Birding Ltd | Professional & scientific | 2026 |
| Begin Early Alliance Limited | Education | 2019 |
| Beginmajor Limited | Professional & scientific | 1996 |
| Behear Ltd | Arts & recreation | 2023 |
| BEK Road Films Limited | Arts & recreation | 2006 |
| Belacqua Consulting Ltd | Health & social care | 2018 |
| Belgravia Stone Gallery Ltd | Manufacturing | 2023 |
| Belgravia Stone Ltd | Manufacturing | 2013 |
| Bell Associates (Yorkshire) Ltd | Professional & scientific | 2021 |
| Bell Hall Estate Limited | Hospitality | 2012 |
| Bell's Butchers (Middlesbrough) Ltd | Wholesale & retail | 2004 |
| Bellerby Industries Ltd | Wholesale & retail | 2026 |
| Bellrock Investments Ltd | Professional & scientific | 2022 |
| Bells DPS Services Limited | Hospitality | 2025 |
| Bells on Monday - Ringing Ability Limited | Information & communication | 2025 |
| Bellstone Property Solutions Limited | Construction | 2025 |
| Bellstone Yorkshire Limited | Construction | 2024 |
| Bellures Luxe Ltd | Wholesale & retail | 2025 |
| Belmark CMC Limited | Professional & scientific | 2014 |
| Belmont Fields Limited | Real estate | 2016 |
| Below Surface Limited | Professional & scientific | 2022 |
| Belvie Rentals Ltd | Administrative & support | 2025 |
| BEN Buck Commercials Limited | Wholesale & retail | 2008 |
| BEN Dobbs Training and Coaching Ltd. | Education | 2020 |
| BEN Johnson Interiors Limited | Administrative & support | 2025 |
| BEN Robinson Finance Limited | Financial services | 2008 |
| BEN Smith Agri Services Limited | Manufacturing | 2020 |
| BEN Smithson Ltd | Hospitality | 2025 |
| BEN Thewlis Ltd | Construction | 2022 |
| BEN Weaver Electronics Ltd | Professional & scientific | 2026 |
| Beneficial Forums Limited | Professional & scientific | 2010 |
| Beneim Ltd | Wholesale & retail | 2026 |
| Benenden Hospital Limited | Health & social care | 2021 |
| Benenden Wellbeing Limited | Financial services | 2012 |
| Benezet Systems Limited | Information & communication | 2010 |
| Bengal Lounge (Pocklington) Limited | Hospitality | 2016 |
| Bengal Spice Hemel Limited | Hospitality | 2012 |
| Benjamin Ashley UK T/A the GAY Bipolar Adventurer Ltd | Other services | 2023 |
| Benneton Limited | Transport & logistics | 2018 |
| Bennetts Home Projects Ltd | Construction | 2020 |
| Benridge Enterprises Ltd | Financial services | 2018 |
| Benson Industrials Limited | Wholesale & retail | 2008 |
| Benstead Property Co Ltd | Real estate | 2023 |
| Bentham Brading Limited | Professional & scientific | 2015 |
| Bentley House (York) Management Company Limited | Households | 2009 |
| Bentwaters Housing Limited | Extraterritorial | 1980 |
| Bentwaters Nominees Limited | Professional & scientific | 1982 |
| BER BEN Ltd | Wholesale & retail | 2024 |
| Bergen Furniture Limited | Manufacturing | 2007 |
| Berkeley Mansions Management Company (Whitby) Limited | Households | 2004 |
| Berkeleys Management Services Ltd | Administrative & support | 2018 |
| Berm Optical Products Limited | Wholesale & retail | 1979 |
| Bernard's Fisheries Limited | Hospitality | 1947 |
| Berticus Performance Ltd | Professional & scientific | 2021 |
| Bertie's Emporium Ltd | Wholesale & retail | 2026 |
| Bescapes Ltd | Administrative & support | 2024 |
| Besley Ltd | Administrative & support | 2021 |
| Bespoke Bond Holdings Limited | Real estate | 2020 |
| Bespoke Botanicals Limited | Health & social care | 2009 |
| Bespoke Controllers Ltd | Professional & scientific | 2024 |
| Bespoke Electrical York Ltd | Construction | 2024 |
| Bespoke Finance by Kirsten Ltd | Financial services | 2021 |
| Bespoke Leisure Living Limited | Energy | 2004 |
| Bespoke Media Group Ltd | Professional & scientific | 2024 |
| Bespoke Pension Solutions Ltd | Professional & scientific | 2012 |
| Bespoke Prints Limited | Information & communication | 2008 |
| Bespoke Property Agency Ltd | Real estate | 2026 |
| Bespoke Resin Interiors Ltd | Construction | 2021 |
| Bespokenword Limited | Arts & recreation | 2009 |
| Best CUT (Pock) Ltd | Other services | 2024 |
| Best Engines (UK) Limited | Wholesale & retail | 2013 |
| Best Foot Forward (York) Limited | Health & social care | 2006 |
| Best Friends Veterinary Group | Extraterritorial | 2000 |
| Best Kept Secret Clothing Limited | Wholesale & retail | 2016 |
| Bestprint & Design Limited | Manufacturing | 2003 |
| Betajester Ltd | Information & communication | 2015 |
| Betapresentations Limited | Professional & scientific | 2022 |
| Beth Nixon Ltd | Arts & recreation | 2025 |
| Bethany Sorrell Ltd | Transport & logistics | 2023 |
| Better Life Accountancy Limited | Professional & scientific | 2024 |
| Betteridge Group Limited | Administrative & support | 2008 |
| Betterton Court RTM Company Limited | Households | 2021 |
| Betts N Bob's Limited | Health & social care | 2015 |
| Beverley Court York Management Company Ltd | Real estate | 2024 |
| Beverley House (York) Residents Management Company Limited | Households | 2025 |
| Beware of the Bull Ltd | Administrative & support | 2011 |
| Bexley Properties Ltd | Real estate | 2019 |
| Beyond Accounting York Ltd. | Professional & scientific | 2024 |
| Beyond Blue Horizons CIC | Administrative & support | 2025 |
| Beyond Colour Ltd | Information & communication | 1996 |
| Beyond Group Ltd. | Financial services | 2024 |
| Beyond Mortgages York Ltd. | Financial services | 2026 |
| Beyond Step One Limited | Real estate | 2024 |
| Beyond the Fringe York Limited | Other services | 2018 |
| Beyond Vapes & Phones Limited | Wholesale & retail | 2023 |
| Beytech Limited | Information & communication | 2006 |
| BF Property Group Ltd | Real estate | 2025 |
| Bfai Pest Control Ltd | Administrative & support | 2023 |
| BG Installers Ltd | Construction | 2023 |