| BMR Civil Engineering Ltd | Construction | 2015 |
| Bmrltd Limited | Hospitality | 2020 |
| Bmvs (Merseyside) Ltd | Manufacturing | 2018 |
| BMZ Enterprise Ltd | Wholesale & retail | 2012 |
| BN Consultancies Ltd | Professional & scientific | 2026 |
| BNA Holdings Limited | Financial services | 2020 |
| BNA Teams Ltd | Hospitality | 2023 |
| Bncl Family Investment Company Limited | Real estate | 2025 |
| BNK Tradings Limited | Health & social care | 2023 |
| Bnry Music Ltd | Hospitality | 2023 |
| BNY Mellon Pershing Trustees Limited | Financial services | 2012 |
| BO & Co Developments Limited | Construction | 2026 |
| BO Pura Ltd | Other services | 2017 |
| BO55SHARK Ltd | Real estate | 2020 |
| BOA Safety Systems Ltd | Administrative & support | 2021 |
| Boardmans GAS Services Ltd | Construction | 2020 |
| Boardroom Solutions Ltd | Professional & scientific | 2014 |
| Bobbers Limited | Other services | 2004 |
| Bobble Babies Ltd | Wholesale & retail | 2022 |
| Bobby Grant Coaching Ltd | Arts & recreation | 2025 |
| Bobby Lloyd Limited | Construction | 2013 |
| Bobby Logistics Ltd | Transport & logistics | 2025 |
| Bobby NW Limited | Construction | 2019 |
| Bobby Props Ltd | Information & communication | 2023 |
| Bobby X Limited | Extraterritorial | 2004 |
| BOBBY2SHOES.COM Ltd | Wholesale & retail | 2018 |
| Bocconcini LIV Ltd | Hospitality | 2020 |
| Bock Cafe Limited | Hospitality | 2023 |
| Boco Trans Ltd | Wholesale & retail | 2021 |
| BOD PO and Cost Ltd | Wholesale & retail | 2022 |
| Boda Dating Limited | Arts & recreation | 2023 |
| Boda London Ltd | Arts & recreation | 2024 |
| Boda New York Ltd | Arts & recreation | 2024 |
| Bodhi Health Spa Ltd | Other services | 2022 |
| Body & Mind First AID Training Ltd | Health & social care | 2020 |
| Body Conscious Ltd | Other services | 2014 |
| Body Mind & Soul Limited | Extraterritorial | 1997 |
| Body Month Ltd | Wholesale & retail | 2018 |
| Body Smart Fitness Limited | Other services | 2015 |
| Bodyshop Auto Limited | Wholesale & retail | 2023 |
| Bodyxcore Limited | Education | 2020 |
| BOE Construction Ltd | Construction | 2023 |
| Boeing Technical Services UK Limited | Professional & scientific | 1997 |
| Bofa International Ltd. | Manufacturing | 1987 |
| Bogdan Investor Property Ltd | Real estate | 2023 |
| BOH Investments Ltd | Financial services | 2026 |
| Boho ROW Ltd | Wholesale & retail | 2026 |
| Boiler Care Group Limited | Construction | 2019 |
| Bojetski Ecom Ltd | Wholesale & retail | 2024 |
| Bokehgo Ltd | Information & communication | 2024 |
| Bolax UK Limited | Financial services | 2017 |
| Bold Accommodation Ltd | Hospitality | 2013 |
| Bold AS Brass Tattoo Company Limited | Other services | 2013 |
| Bold B2B Events Ltd | Administrative & support | 2026 |
| Bold B2B Limited | Other services | 2024 |
| Bold Dining Ltd | Hospitality | 2024 |
| Bold Heath Riding Club & Livery Ltd | Other services | 2013 |
| Bold Holdings Limited | Financial services | 2021 |
| Bold International Properties Holdings Limited | Financial services | 2021 |
| Bold Kampus Ltd | Hospitality | 2020 |
| Bold Liverpool Limited | Administrative & support | 2021 |
| Bold Liverpool Trading Limited | Hospitality | 2022 |
| Bold Living Limited | Real estate | 2019 |
| Bold Management Limited | Arts & recreation | 2009 |
| Bold Manchester Limited | Administrative & support | 2019 |
| Bold Manchester Trading Limited | Administrative & support | 2022 |
| Bold Online Limited | Administrative & support | 2022 |
| Bold Place C.I.C. | Arts & recreation | 2020 |
| Bold Property Sales Ltd | Real estate | 2025 |
| Bold Property Services Ltd | Real estate | 2019 |
| Bold Property Ventures Ltd | Real estate | 2014 |
| Bold Security Ltd | Administrative & support | 2019 |
| Bold Spirit Property Limited | Real estate | 2024 |
| Bold ST Barber Ltd | Other services | 2019 |
| Bold ST Hotel Limited | Hospitality | 2024 |
| Bold Steps Ltd | Health & social care | 2018 |
| Bold Street Blues Ltd | Hospitality | 2025 |
| Bold Street Cafe Ltd | Hospitality | 2019 |
| Bold Street Coffee RB Limited | Administrative & support | 2026 |
| Bold Street Coffee RB Trading Limited | Hospitality | 2026 |
| Bold Street Fresh Food Ltd | Hospitality | 2025 |
| Bold Street Garage Ltd | Wholesale & retail | 2017 |
| Bold Street News Agents Limited | Wholesale & retail | 2024 |
| Bold Street Sweets Limited | Wholesale & retail | 2013 |
| Bold Street Vintage Ltd | Wholesale & retail | 2025 |
| Bold UNI Green Ltd | Administrative & support | 2021 |
| Bold UNI Trading Limited | Hospitality | 2022 |
| Bolden Group Ltd | Construction | 2018 |
| Boldhouse Invest Ltd | Real estate | 2023 |
| Bolete Limited | Hospitality | 2022 |
| Bolger Properties Ltd | Real estate | 2022 |
| Bolger Residential Ltd | Real estate | 2025 |
| Bolger Trading Group Ltd | Wholesale & retail | 2026 |
| Bolgiaten Limited | Information & communication | 2010 |
| Bollabo Ltd | Professional & scientific | 2022 |
| Bollard Street Limited | Construction | 2015 |
| Bolt Shooting Diary Limited | Information & communication | 2022 |
| Bolt Shooting Supplies Limited | Wholesale & retail | 2022 |
| Bolton Leisure Group Ltd | Hospitality | 2023 |
| Bolton Mcardle Ltd | Real estate | 2026 |