| Boho Beer Garden Ltd | Health & social care | 2021 |
| Boho Developments Limited | Administrative & support | 2017 |
| Boilbox Ltd | Other services | 2024 |
| Boiler Flame Ltd | Construction | 2023 |
| Boiler Suppliers Limited | Wholesale & retail | 2019 |
| Boilerpcb.Com Limited | Administrative & support | 2003 |
| Boing Food and Beverage Limited | Professional & scientific | 2017 |
| Boing International Tea Limited | Hospitality | 2023 |
| Boing International Trading Limited | Wholesale & retail | 2018 |
| Boisa Group Limited | Hospitality | 2025 |
| Boka Performance Ltd | Professional & scientific | 2024 |
| Bokah Properties Ltd | Real estate | 2024 |
| Bokaira Ltd | Extraterritorial | 2024 |
| Boken Limited | Wholesale & retail | 2021 |
| Bokit Station Ltd | Wholesale & retail | 2025 |
| Boland Intelligence Group Limited | Information & communication | 2025 |
| Bold Actions CIC | Other services | 2021 |
| Bold Leap Care Limited | Health & social care | 2024 |
| Bold Recruitment Ltd | Administrative & support | 2023 |
| Bold Stripe Solutions Limited | Professional & scientific | 2016 |
| Bold Venture Software Ltd | Information & communication | 2000 |
| Bold-Leap Limited | Health & social care | 2018 |
| Bold-Stone Consult Limited | Financial services | 2023 |
| Bolden Ltd | Professional & scientific | 2025 |
| Bolden Services Ltd | Administrative & support | 2017 |
| Boldmanor Limited | Construction | 1984 |
| Boldmere Health & Beauty Ltd | Other services | 2008 |
| Boldmere Place Residents Association Limited | Households | 2020 |
| Boldmere Plumbing Services Limited | Construction | 2022 |
| Boler Wiseman Financial Services Limited | Financial services | 2001 |
| Boli Kokoroewa Ltd | Information & communication | 2019 |
| Bolima Design Consulting Ltd | Professional & scientific | 2019 |
| Bolima Property Holdings Ltd | Real estate | 2025 |
| Bolingo Care Ltd | Public administration | 2021 |
| Bollywood Gallery Memorabilia Limited | Arts & recreation | 2022 |
| Bolmarmic Construction Ltd | Construction | 2022 |
| Bolmore Enterprises Ltd | Wholesale & retail | 2026 |
| Boloti African Cuisine Ltd | Hospitality | 2023 |
| Bolt & NUT Manufacturing Limited | Manufacturing | 2008 |
| Bolt Competitions Ltd | Arts & recreation | 2025 |
| Bolt Security Services Ltd | Administrative & support | 2021 |
| BOLT247 Ltd | Information & communication | 2026 |
| Boltdown Holdings Ltd | Manufacturing | 2024 |
| Boltdown Power Press Repairs Limited | Manufacturing | 1997 |
| Bolte Ltd | Information & communication | 2016 |
| Bolton Fast Food Ltd | Hospitality | 2025 |
| Bolton Flow Limited | Transport & logistics | 2025 |
| Bolton Motor Village T/A Y.S. Motor Group Ltd | Wholesale & retail | 2018 |
| Bolts Mica Limited | Wholesale & retail | 2018 |
| BOM Birmingham Open MAT Ltd | Arts & recreation | 2026 |
| Boma Digital Limited | Information & communication | 2019 |
| Bombardier UK Holding Limited | Financial services | 2015 |
| Bombay Boutique London Ltd | Wholesale & retail | 2022 |
| Bombay Streat Kitchens Ltd | Hospitality | 2022 |
| Bombaywokcompany Limited | Hospitality | 2026 |
| Bombomz Limited | Professional & scientific | 2012 |
| Bomi Boutique Limited | Wholesale & retail | 2026 |
| Bomitt Property Ltd | Real estate | 2023 |
| Bommel UK Limited | Professional & scientific | 2009 |
| Bommisetty Farms Ltd | Wholesale & retail | 2023 |
| Bomon Cleaning Service Ltd | Administrative & support | 2026 |
| Bomwis Ventures Limited | Information & communication | 2020 |
| BON BON Beauty Salon Ltd | Other services | 2024 |
| BON Mocha Limited | Wholesale & retail | 2025 |
| BON Stays Ltd | Real estate | 2024 |
| Bona Fido Limited | Other services | 2015 |
| Bona Sforza Ltd | Real estate | 2026 |
| Bona Skin Ltd | Other services | 2025 |
| Bonafide Personnel Ltd | Health & social care | 2025 |
| Bonalova Solutions Ltd | Hospitality | 2024 |
| Bond & Bear Ltd | Manufacturing | 2026 |
| Bond & Bolt Digital Ltd | Professional & scientific | 2022 |
| Bond & Sinclair Supported Housing Ltd | Professional & scientific | 2026 |
| Bond Acquisition Holdings Limited | Financial services | 2023 |
| Bond Fashion Limited | Wholesale & retail | 2023 |
| Bond Jewellery & Diamonds (Bham) Limited | Manufacturing | 2016 |
| Bond Properties Limited | Real estate | 2023 |
| Bond Property Investing Ltd | Real estate | 2021 |
| Bond Property Investments Limited | Real estate | 2015 |
| Bond Smith Limited | Wholesale & retail | 1944 |
| Bond Solon Training Limited | Professional & scientific | 1988 |
| Bond Street Interiors Limited | Wholesale & retail | 2018 |
| Bond Traders Limited | Wholesale & retail | 2016 |
| Bond With Bambini Ltd | Hospitality | 2024 |
| Bond Wolfe Assets Limited | Construction | 2000 |
| Bond Wolfe Auctions Limited | Real estate | 2018 |
| Bond Wolfe Capital Limited | Financial services | 2005 |
| Bond Wolfe Estates Limited | Real estate | 2002 |
| Bond Wolfe Finance Limited | Financial services | 2016 |
| Bond Wolfe Land Limited | Real estate | 2023 |
| Bond Wolfe Limited | Other services | 2018 |
| Bond Wolfe Management Limited | Real estate | 2023 |
| Bond Wolfe Media Limited | Professional & scientific | 2021 |
| Bond Wolfe Securities (Midlands) Limited | Real estate | 2019 |
| Bond Wolfe Securities Limited | Construction | 1994 |
| Bondgate Carpets Limited | Extraterritorial | 2013 |
| Bondhall Limited | Wholesale & retail | 1981 |
| Bondhu Mahal Birmingham UK Ltd | Other services | 2023 |
| Bondi Midlands Ltd | Hospitality | 2022 |
| Bonds Boutique Stays Ltd | Wholesale & retail | 2021 |