| Belfitt Properties Limited | Real estate | 2023 |
| Belgrave Estates Limited | Construction | 2007 |
| Belgrave Motor Company Limited | Wholesale & retail | 2005 |
| Belgrave UK Limited | Other services | 2008 |
| Believe Sublime Ndongala Ltd | Financial services | 2024 |
| Belk Ceilings Ltd | Construction | 2011 |
| Bell & Buxton Limited Liability Partnership | | 2006 |
| Bell & Buxton Trustees Limited | Professional & scientific | 2019 |
| Bell Brothers Music Ltd | Wholesale & retail | 2017 |
| Bell Creative Limited | Professional & scientific | 2024 |
| Bell Gears Limited | Manufacturing | 1954 |
| Bella Cartello Ltd | Professional & scientific | 2025 |
| Bella Donna Central Ltd. | Hospitality | 2018 |
| Bella Donna Restaurant Ltd | Hospitality | 2019 |
| Bella EVE Entertainment Ltd | Administrative & support | 2023 |
| Bella Shop Limited | Wholesale & retail | 2026 |
| Bella Vista Farm Limited | Real estate | 1987 |
| Bella's Bags & Co Ltd | Wholesale & retail | 2022 |
| BELLA2CLEAN Limited | Administrative & support | 2022 |
| Bellaanna Nails Ltd | Other services | 2025 |
| Belladonaa Ltd | Wholesale & retail | 2018 |
| Bellamoon Electronics Ltd | Wholesale & retail | 2025 |
| Bellamy & Davidson Developments Ltd | Construction | 2023 |
| Bellas Properties Ltd | Households | 2025 |
| Belle Mechanical Services Ltd | Construction | 2022 |
| Belles Blooms Ltd | Wholesale & retail | 2026 |
| Bellisimo Food Ltd | Manufacturing | 2017 |
| Bellman & Symfon UK Limited | Other services | 2017 |
| Bellmontventures Ltd | Wholesale & retail | 2025 |
| Bellmoor Farm Limited | Hospitality | 2022 |
| Bello's Nail Ltd | Other services | 2026 |
| Bellowhead Ltd | Information & communication | 2021 |
| Bellwood Photography Limited | Professional & scientific | 1961 |
| Belmont Gardens Limited | Real estate | 1979 |
| Belong and Learn Ltd | Education | 2026 |
| Belor Properties Ltd | Real estate | 2025 |
| Beloved Home Surveys Ltd | Professional & scientific | 2025 |
| Below Street Bars Ltd | Hospitality | 2023 |
| Belts by JAS Ltd | Wholesale & retail | 2025 |
| Belvedia Ltd | Hospitality | 2023 |
| Belvedia Portland Ltd | Hospitality | 2023 |
| Belyaan Investments Ltd | Real estate | 2026 |
| BEM Estar Consulting Ltd | Health & social care | 2023 |
| Bemj Limited | Health & social care | 2024 |
| Bemley Technologies Limited | Information & communication | 2024 |
| Bemo Media Limited | Extraterritorial | 2017 |
| BEN & FLO LLP | | 2025 |
| BEN 0094 Limited | Professional & scientific | 2007 |
| BEN Addison Limited | Construction | 2005 |
| BEN Collins Consulting Ltd | Professional & scientific | 2022 |
| BEN Friend Ltd | Manufacturing | 2024 |
| BEN Hizam Motor Ltd | Wholesale & retail | 2025 |
| BEN Pearson Developments Ltd | Financial services | 2025 |
| BEN Pearson Homes Ltd | Construction | 2017 |
| BEN Smith Architectural Limited | Professional & scientific | 2021 |
| BEN Walker Photo Limited | Professional & scientific | 2023 |
| BEN Weaver Studio Ltd | Professional & scientific | 2017 |
| Ben's Centre for Vulnerable People (Sheffield) | Health & social care | 1999 |
| Benbrok Developments Ltd | Construction | 2025 |
| Bench Bar Restaurant Limited | Hospitality | 2019 |
| Benchmark Glazing Services Ltd | Construction | 2010 |
| Benchmark Pathways Ltd | Education | 2025 |
| Benchmark Recruit Limited | Administrative & support | 2006 |
| Benchmark Solutions Limited | Construction | 2003 |
| Bencoll Property Group Ltd | Real estate | 2024 |
| Bend & Beam Ltd | Wholesale & retail | 2025 |
| Bending Group Holdings Ltd | Financial services | 2026 |
| Benedict J Hickson Limited | Information & communication | 2009 |
| Benediction Music Limited | Information & communication | 2019 |
| Benevolentia Limited | Health & social care | 2015 |
| Bengal Spice Kitchen Ltd | Hospitality | 2025 |
| Bengal Spice Stocksbridge Ltd | Hospitality | 2021 |
| Benjamin & Thorpe Coachbuilders Limited | Professional & scientific | 2017 |
| Benjy's Hospitality Ltd | Health & social care | 2025 |
| Benkan Care Services Limited | Health & social care | 2019 |
| Benkassem Limited | Wholesale & retail | 2026 |
| Benn Medicare Limited | Health & social care | 2009 |
| Bennett and Co Lettings Ltd | Real estate | 2020 |
| Bennett Courier Transport Ltd | Transport & logistics | 2023 |
| Bennett Court Health Care Limited | Health & social care | 2019 |
| Bennett Flooring Limited | Construction | 2026 |
| Bennett Foster Limited | Administrative & support | 2002 |
| Bennett Property Holdings Ltd | Real estate | 2020 |
| Bennett Trucking Limited | Transport & logistics | 2017 |
| Bennetts Plastering Ltd | Construction | 2026 |
| Bennyboo Property Enterprises Ltd | Real estate | 2026 |
| Bennys Grill Ltd | Hospitality | 2025 |
| Benray Property Limited | Real estate | 2013 |
| Benson Building & Electrical Services Ltd | Professional & scientific | 2024 |
| Benson Carpets Limited | Wholesale & retail | 2013 |
| Benson N Sons Ltd | Health & social care | 2022 |
| Bensons Flooring Limited | Wholesale & retail | 1940 |
| Bensons Property Company Limited | Real estate | 2007 |
| BENTECH17 Ltd | Information & communication | 2023 |
| Bentley & Bramley Construction Limited | Wholesale & retail | 1990 |
| Bentley Bros. (Sheffield) Limited | | 1922 |
| Bentley Civil Engineers Limited | Construction | 2012 |
| Bentley Organic Limited | Manufacturing | 2010 |
| Bentonio Ltd | Health & social care | 2024 |
| Bentons Plumbing Supplies Limited | Wholesale & retail | 2007 |