| BEE ZEE Derby Ltd | Hospitality | 2025 |
| Beebow Limited | Wholesale & retail | 2025 |
| Beech Farm Poultry Limited | Agriculture & fishing | 2021 |
| Beech Vets Ltd | Professional & scientific | 2014 |
| Beeconscious Ltd | Agriculture & fishing | 2025 |
| Beef in Burton Limited | Hospitality | 2023 |
| Beef in Chellaston Limited | Hospitality | 2025 |
| Beehive Holiday Properties Limited | Hospitality | 2025 |
| Beenajose Ltd | Health & social care | 2021 |
| Beer Metropolis Ltd | Wholesale & retail | 2019 |
| Beer Waste Management Services Ltd | Administrative & support | 2023 |
| Beermaster Derby Ltd | Wholesale & retail | 2010 |
| Beeston Osteopathy Limited | Health & social care | 2021 |
| Beeston Osteopathy Property Limited | Real estate | 2025 |
| Beeston Short Lets Ltd | Hospitality | 2022 |
| Beetroot Homes Limited | Real estate | 2023 |
| Beetroot Tree Limited | Hospitality | 2017 |
| Behaviour Support Derby Ltd | Education | 2022 |
| Behavioural Interventions Ltd | Administrative & support | 2023 |
| BEI Property Ltd | Real estate | 2024 |
| Beige (Eco) Ltd | Agriculture & fishing | 2021 |
| Beighton Singh Limited | Professional & scientific | 2016 |
| Beinclusive Consulting Limited | Information & communication | 2024 |
| Bekb Ltd | Administrative & support | 2014 |
| Bekule UK Ltd | Manufacturing | 2024 |
| Belfort Consultancy Services Ltd | Professional & scientific | 2024 |
| Belgravia Motor Co Ltd | Wholesale & retail | 2020 |
| Belgraviax Ltd | Construction | 2026 |
| Believe Bridging Finance Limited | Financial services | 2019 |
| Believe Holdings Limited | Financial services | 2016 |
| Believe Property Limited | Real estate | 2016 |
| Believe Property Services Limited | Real estate | 2019 |
| Bella & Tilly Properties Ltd | Real estate | 2021 |
| Bella Parr Interiors Ltd | Professional & scientific | 2022 |
| Bella's Gyro Ltd | Hospitality | 2024 |
| Bellco Developments Limited | Construction | 2003 |
| Belle & Aube Ltd | Wholesale & retail | 2024 |
| Bellemoor Limited | Construction | 2024 |
| Bellini Wholesale (Nottingham) Limited | Wholesale & retail | 1997 |
| Bellisia Ltd | Professional & scientific | 2020 |
| Bellissima Kitchens Ltd | Wholesale & retail | 2024 |
| Bells Construction Ltd | Construction | 2006 |
| Bellway Motors Ltd | Wholesale & retail | 2021 |
| Belmont Atlantic Ltd | Extraterritorial | 2010 |
| Belmont Regency (Insurance Services) Ltd | Financial services | 2009 |
| Belmont Regency Group Ltd | Professional & scientific | 2009 |
| Below 70 Consulting Limited | Professional & scientific | 2019 |
| Belper Bakery Limited | Administrative & support | 2015 |
| Belper Builders Limited | Construction | 2026 |
| Belper Fencing Limited | Construction | 2023 |
| Belper House Limited | Hospitality | 2020 |
| Belper Lane Management Company Ltd | Households | 2021 |
| Belper Skip Hire Limited | Water & waste | 2004 |
| Belper Spice Limited | Hospitality | 2025 |
| Belroc Limited | Construction | 2000 |
| Bemrose Educational Trust | Education | 2010 |
| BEN & Co Group Ltd | Real estate | 2026 |
| BEN Coxon Limited | Arts & recreation | 2018 |
| BEN Grant Holdings Ltd | Real estate | 2024 |
| BEN Harvey Ltd | Manufacturing | 2019 |
| BEN Kerry Property Ltd | Real estate | 2024 |
| BEN Marchbank Limited | Financial services | 2011 |
| Bence Ltd | Wholesale & retail | 2022 |
| Benchmark Marketing Limited | Wholesale & retail | 2026 |
| Benchmark Property Services Ltd | Administrative & support | 2023 |
| Bendalls Farm Ltd | Agriculture & fishing | 2020 |
| Bendelworth Ltd | Real estate | 2016 |
| Benfield & Lorente Ltd | Real estate | 2018 |
| Bengal Kitchen Derby Ltd | Hospitality | 2024 |
| Benjamin Coates Limited | Professional & scientific | 2013 |
| Benjamin's Gardens Limited | Transport & logistics | 2025 |
| Benjamins Midlands Engineering Ltd | Other services | 2017 |
| Benjoireneo Ltd | Real estate | 2024 |
| Benn Godfrey Advisory Ltd | Professional & scientific | 2025 |
| Bennetts Fields (South Ockendon Apartments) Management Company Limited | Households | 2022 |
| Bennetts of Derby Ltd | Wholesale & retail | 2019 |
| Benstan Ltd | Construction | 2017 |
| Bentley Bitumen Ltd | Professional & scientific | 2024 |
| Bentley Farming Limited | Agriculture & fishing | 2000 |
| Benzee Africana Ltd | Wholesale & retail | 2025 |
| BER Projects Ltd | Construction | 2025 |
| Beraj Properties Ltd | Real estate | 2024 |
| Beresford Estates (Derby) Limited | Real estate | 2024 |
| Beresford Homes Ltd | Construction | 2006 |
| Berkeley & X Robotics AI Tech Ltd | Information & communication | 2025 |
| Berkeley Mcrock Shepherd Limited | Professional & scientific | 2025 |
| Berkumbria Limited | Real estate | 2021 |
| Bernicia Resources Ltd | Professional & scientific | 2023 |
| Berry Construction (Midlands) Limited | Construction | 2020 |
| Berry Homes UK Limited | Real estate | 2017 |
| Berry Housing Investments Ltd | Real estate | 2020 |
| Berry Lettings & Management Ltd | Real estate | 2022 |
| Berry Senior Investments Ltd | Real estate | 2024 |
| Berry Trading (Midlands) Limited | Construction | 2022 |
| Bert Plant Ltd | Manufacturing | 2025 |
| Bertie's Boltholes Ltd | Real estate | 2022 |
| Berwick Renewables DX Limited | Energy | 2024 |
| Berwick Renewables TX Limited | Energy | 2024 |
| Berwyn Granite Quarries Limited | Extraterritorial | 1904 |
| Berzanskis Group Limited | Financial services | 2025 |