| Boxfish Developments Ltd | Construction | 2025 |
| Boxhawk Limited | Real estate | 2024 |
| Boxing Cat Installations Ltd | Construction | 2025 |
| Boxingham Limited | Professional & scientific | 2023 |
| Boxnight Limited | Professional & scientific | 1979 |
| Boxster Holdings Limited | Financial services | 2024 |
| Boxster Limited | Financial services | 2016 |
| Boxtrail Ltd | Administrative & support | 2016 |
| Boxworks (Chorlton) Management Limited | Households | 2010 |
| Boxx Developments Ltd | Construction | 2021 |
| BOXX2BOXX Coffee Ltd | Manufacturing | 2021 |
| BOXX2BOXX Limited | Financial services | 2026 |
| Boxxed Clothing SOC Ltd | Wholesale & retail | 2022 |
| Boxyard Studios Ltd | Information & communication | 2018 |
| Box’D Ltd | Hospitality | 2026 |
| BOY OH BOY Designs Ltd | Professional & scientific | 2023 |
| Boyaraj Limited | Information & communication | 2025 |
| Boyarcher Ltd | Information & communication | 2017 |
| Boyce & Company Limited | Professional & scientific | 1998 |
| Boyd Family Construction Ltd | Construction | 2026 |
| Boyd Peill Properties Ltd | Real estate | 2021 |
| Boydell & Francis Safety Consultancy Ltd | Administrative & support | 2010 |
| Boylan Property Holdings Ltd | Real estate | 2026 |
| Boyoh @ Boyoh Ltd | Administrative & support | 2025 |
| Boyonova for Trading Ltd | Wholesale & retail | 2025 |
| Boypal Limited | Financial services | 2014 |
| Boys & Men's Clothing & Accessories Ltd | Wholesale & retail | 2015 |
| Boys Empowerment Initiative Manchester CIC | Health & social care | 2024 |
| Boyton Holdings Limited | Financial services | 2017 |
| BOYZ2MEN CIC | Health & social care | 2025 |
| Bozoom Ltd | Professional & scientific | 2023 |
| Bozstick Transport and Logistics Ltd | Transport & logistics | 2021 |
| Bozza Europe Ltd | Professional & scientific | 2026 |
| Bozzbosh Ltd | Manufacturing | 2022 |
| BP IT Solutions Ltd | Information & communication | 2022 |
| BP MED Limited | Manufacturing | 2022 |
| BP Staging Limited | Arts & recreation | 2019 |
| BP7 Limited | Construction | 2020 |
| BPC Grab and Go Snacks UK Ltd | Wholesale & retail | 2023 |
| BPC Group International Ltd | Administrative & support | 2023 |
| Bpeople Limited | Professional & scientific | 2017 |
| BPG Global Ltd | Wholesale & retail | 2021 |
| Bpgtm Ltd | Professional & scientific | 2025 |
| BPI Commercial Ltd | Real estate | 2026 |
| Bpio.Consulting Ltd | Information & communication | 2023 |
| BPK Eyes Ltd | Other services | 2026 |
| BPL Engineering Limited | Manufacturing | 2011 |
| Bplac Education Ltd | Information & communication | 2024 |
| BPM Music Ltd | Information & communication | 2023 |
| BPM Ventures Ltd | Extraterritorial | 2024 |
| Bpma Grooming North West Limited | Other services | 2025 |
| Bpmasters Ltd | Professional & scientific | 2013 |
| Bpmf Club Limited | Hospitality | 2009 |
| Bpmiymz Ltd | Financial services | 2025 |
| Bpnj Services Limited | Professional & scientific | 2016 |
| BPP Commercial Ltd | Real estate | 2026 |
| BPP Property Ltd | Real estate | 2025 |
| BPS Principal Employer Limited | Financial services | 2015 |
| BPT Academy Limited | Education | 2025 |
| Bptr Ltd | Real estate | 2019 |
| Bpuv Limited | Hospitality | 2018 |
| BPW BIO Soils Ltd | Water & waste | 2014 |
| BPW Property Group Ltd | Real estate | 2026 |
| BQN Limited | Construction | 2019 |
| BR & HA Ltd | Administrative & support | 2025 |
| BR 2 Year Limited | Professional & scientific | 2018 |
| BR 3 Year Limited | Professional & scientific | 2018 |
| BR Craft Barz Ltd | Hospitality | 2017 |
| BR Financial Limited | Professional & scientific | 2017 |
| BR Foods Ltd | Hospitality | 2019 |
| BR Group Limited | Financial services | 2015 |
| BR MAN Ltd | Hospitality | 2025 |
| BR Manc Ltd | Hospitality | 2026 |
| BR Manchester Ltd | Hospitality | 2025 |
| BR Real Estate Ltd | Real estate | 2020 |
| BR Reconsurg Ltd | Health & social care | 2025 |
| BR Sons Ltd | Hospitality | 2026 |
| Br-Veg Enterprise Ltd | Wholesale & retail | 2019 |
| Brabbey Flooring Ltd | Construction | 2014 |
| Brabbin and Rudd Limited | Other services | 1961 |
| Brabbingham Ltd | Administrative & support | 2019 |
| Brabco 2405 Limited | Professional & scientific | 2026 |
| Brabham Court Management Company Limited(The) | Households | 1987 |
| Brabur Limited | Extraterritorial | 2024 |
| Brace Tech Limited | Information & communication | 2016 |
| Braces & Smiles Orthodontics Limited | Health & social care | 2018 |
| Bracken Country House Limited | Hospitality | 2017 |
| Bracken Country House Management Limited | Hospitality | 2017 |
| Bracken J Builders Ltd | Construction | 2023 |
| Brackenbay Properties Limited | Real estate | 1997 |
| Brackenridge Heritage NW Limited | Real estate | 2017 |
| Brackenwood (Blackburn) Management Company Limited | Households | 2022 |
| Brackn Limited | Information & communication | 2015 |
| Brackno Limited | Education | 1987 |
| Brackprop Limited | Real estate | 2022 |
| Brad Shields 6 Limited | Arts & recreation | 2018 |
| Brada Catering Fabrication Ltd | Wholesale & retail | 2015 |
| Brada House Ltd | Real estate | 2022 |
| Bradburn Street Garage Owners Limited | Professional & scientific | 2006 |
| Bradbury & Co. Property Management Ltd | Real estate | 2025 |