| Bungeefit Ltd | Arts & recreation | 2023 |
| Bunk (Carver Street) Limited | Hospitality | 2019 |
| Bunk (Derby) Limited | Hospitality | 2017 |
| Bunk (Leicester) Limited | Hospitality | 2019 |
| Bunk (Loughborough) Limited | Hospitality | 2022 |
| Bunk (Manchester) Limited | Hospitality | 2022 |
| Bunk (Nottingham) Limited | Hospitality | 2014 |
| Bunk (Wollaton Street) Limited | Hospitality | 2017 |
| Bunk (Wolverhampton) Limited | Hospitality | 2021 |
| Bunk Group Limited | Financial services | 2017 |
| Bunker Arts Ltd | Information & communication | 2018 |
| Bunnag Estates Limited | Real estate | 2021 |
| Bunneys Bikes Limited | Wholesale & retail | 2009 |
| Bunny Appliance Warehouse Ltd | Wholesale & retail | 1995 |
| Bunnybay Ltd | Wholesale & retail | 2026 |
| Bunohar Ltd | Wholesale & retail | 2024 |
| Bunoon Limited | Information & communication | 2013 |
| Buns Lenton Limited | Hospitality | 2024 |
| Bunsigno Ltd | Wholesale & retail | 2023 |
| Buon Cleaning Ltd | Administrative & support | 2023 |
| Buon Construction Ltd | Construction | 2021 |
| Buon Property Ltd | Construction | 2025 |
| Bura Holdings Limited | Real estate | 2017 |
| Bura Properties Arnold 2 Limited | Real estate | 2021 |
| Bura Properties Arnold Limited | Other services | 2021 |
| Bura Properties Ltd | Real estate | 2016 |
| Buraq Exclusive Ltd | Wholesale & retail | 2025 |
| Buraqon Ltd | Information & communication | 2025 |
| Burbuys Ltd | Other services | 2012 |
| Burconix Ltd | Information & communication | 2008 |
| Burdett Joinery Ltd | Construction | 2021 |
| Burford Consulting Limited | Professional & scientific | 2014 |
| Burger Basecamp Limited | Hospitality | 2024 |
| Burger Express Catering Limited | Hospitality | 2009 |
| Burger Inn Ltd | Hospitality | 2026 |
| Burgess Developments Ltd | Construction | 2020 |
| Burgess Mill RTM Company Limited | Households | 2026 |
| Burgess Silencers (Simonside) Limited | Professional & scientific | 1973 |
| Burgstone Media Ltd | Information & communication | 2026 |
| Burks PT Limited | Health & social care | 2024 |
| Burlington Estates (Nottm) Ltd | Households | 2000 |
| Burlington Fabrications Limited | Manufacturing | 2008 |
| Burn Book Ltd | Administrative & support | 2023 |
| Burn OUT Services Ltd | Wholesale & retail | 2024 |
| Burney & Sons Limited | Professional & scientific | 2019 |
| Burnham Funeral Services Limited | Extraterritorial | 2004 |
| Burnmoor Lodge Club Limited | Arts & recreation | 2018 |
| Burnt Metalcraft Designs Limited | Manufacturing | 2021 |
| Burnt Stump Limited | Real estate | 2001 |
| Burnt Stump Ventures Limited | Information & communication | 2007 |
| Burnwynd Limited | Real estate | 2022 |
| Burrows Beacon Limited | Hospitality | 2022 |
| Burrows Estates Limited | Real estate | 2024 |
| Burt & Noah Limited | Arts & recreation | 2019 |
| Burt Bros. (Holdings) Limited | Financial services | 2024 |
| Burt Bros. (Ventures) Limited | Hospitality | 2024 |
| Burt Bros.(Hosiery)Limited | Wholesale & retail | 1948 |
| Burton & Burton Holdings Limited | Real estate | 2021 |
| Burton & Burton Solicitors Ltd | Professional & scientific | 2004 |
| Burton & Farley's Ltd | Financial services | 2018 |
| Burton Asian Grocery Ltd | Wholesale & retail | 2021 |
| Burton Commercial Property Management Ltd | Real estate | 2017 |
| Burton Hall (1881) RTM Company Limited | Households | 2022 |
| Burton House Offices Ltd | Professional & scientific | 2003 |
| Burton Joyce Developments Limited | Financial services | 2025 |
| Burton Joyce Garage Ltd | Wholesale & retail | 2022 |
| Burton Joyce News Limited | Wholesale & retail | 2003 |
| Burton Joyce Properties Limited | Real estate | 2020 |
| Burton Road Limited | Real estate | 2011 |
| Burton Upon Trent V.E. Limited | Other services | 1998 |
| Burton`S Auto Centre Limited | Wholesale & retail | 2008 |
| Burvale Limited | Mining & quarrying | 1991 |
| Bury ST Edmunds V.E. Limited | Other services | 1998 |
| Bury Transport Ltd | Transport & logistics | 2008 |
| BURYBAY#2 Ltd | Information & communication | 2021 |
| BUS & Truck Services Ltd | Wholesale & retail | 2012 |
| Bushbury Limited | Wholesale & retail | 2016 |
| Bushline Operations Ltd | Administrative & support | 2026 |
| Business A2Z Ltd | Transport & logistics | 2019 |
| Business at ITS Best Limited | Administrative & support | 2004 |
| Business Class and Design Limited | Administrative & support | 2004 |
| Business Concepts (U.K.) Limited | Wholesale & retail | 1997 |
| Business Delta Limited | Professional & scientific | 2017 |
| Business Doctors Franchising Limited | Professional & scientific | 2007 |
| Business Dynamics (Nottingham) Limited | Administrative & support | 2000 |
| Business HQ Limited | Real estate | 2015 |
| Business Improvement & Growth (Big) Associates Limited | Professional & scientific | 2014 |
| Business Informatics Ltd | Wholesale & retail | 2005 |
| Business Landing Ltd | Information & communication | 2006 |
| Business Online Solutions Limited | Information & communication | 2007 |
| Business Owner Support Services Limited | Professional & scientific | 2019 |
| Business Partner Vehicles Limited | Real estate | 2011 |
| Business Phone Calls Ltd | Information & communication | 2000 |
| Business Process Design Ltd | Professional & scientific | 2010 |
| Business Revival Limited | Information & communication | 2002 |
| Business Safe Ltd | Financial services | 2025 |
| Business Support Solutions Limited | Administrative & support | 2010 |
| Business Tools and Solutions Limited | Information & communication | 2018 |
| Business Video Academy Ltd | Information & communication | 2020 |
| Business Voip Phones Ltd | Information & communication | 2020 |