| Bennett’S Automotive Repair Ltd | Wholesale & retail | 2024 |
| Bennu Bidco Limited | Financial services | 2026 |
| Bennybenz Pureclean Ltd | Administrative & support | 2025 |
| Bennyysflogistics Ltd | Transport & logistics | 2026 |
| Benolive Prestige Company Ltd | Wholesale & retail | 2025 |
| Benpire Projects Ltd | Arts & recreation | 2026 |
| Bens Cafe 207 Limited | Hospitality | 2022 |
| Bens in the UK Limited | Wholesale & retail | 2019 |
| Benson Funeral Services Limited | Other services | 2018 |
| Benson Global Limited | Health & social care | 2017 |
| Bent Collective Ltd | Arts & recreation | 2023 |
| Bentham Plumbing & Heating Limited | Construction | 2012 |
| Bentley Agency Law Limited | Professional & scientific | 2010 |
| Bentley Brothers Joinery Limited | Manufacturing | 2003 |
| Bentley Equine Limited | Financial services | 2016 |
| Bentley Holdings (Bowdon) Limited | Financial services | 2021 |
| Benton Facilities Management Limited | Hospitality | 2015 |
| Benton Oak Investments Limited | Financial services | 2024 |
| Bentsfield Air Conditioning Limited | Wholesale & retail | 1966 |
| Benw Media Limited | Information & communication | 2022 |
| Beny Courier Ltd | Transport & logistics | 2025 |
| Beny Transport Activities Limited | Transport & logistics | 2026 |
| Benybard Limited | Construction | 2015 |
| Bepumps Ltd | Wholesale & retail | 2019 |
| Berdost 2019 Limited | Extraterritorial | 1965 |
| Bereket Logestics Limited | Transport & logistics | 2026 |
| Berens Group Limited | Financial services | 2018 |
| Beresford Capital Limited | Financial services | 2026 |
| Beresford. I.B. Limited | Financial services | 2013 |
| Bergamasque Spirits Company Limited | Professional & scientific | 2023 |
| Bergamo Holdings Ltd | Real estate | 2016 |
| Beri Healthcare Limited | Health & social care | 2024 |
| Berkeley Court (1988) Limited | Hospitality | 1988 |
| Berkeley Motorhouse Limited | Wholesale & retail | 2021 |
| Berkeley VUE Ltd | Real estate | 2020 |
| Berkey's Grill House Ltd | Hospitality | 2023 |
| Berki Speedline Ltd | Transport & logistics | 2024 |
| Berkshire Management Ltd | Construction | 2010 |
| Bermuda Fashion Agencies Limited | Wholesale & retail | 1973 |
| Bernadette Hanney Consultancy Ltd | Professional & scientific | 2022 |
| Berrisford Properties Ltd | Real estate | 2018 |
| Berry & Berry Investments Limited | Financial services | 2024 |
| Berry & Berry Property Management Ltd. | Real estate | 2017 |
| Berry Electrical Contractors Ltd | Construction | 2019 |
| Berry Family Property Ltd | Real estate | 2025 |
| Berry Handcrafted Ltd | Wholesale & retail | 2021 |
| Bertha (Farsley) Management Company Limited | Real estate | 2023 |
| Bertie & Bessie Investments Limited | Manufacturing | 2014 |
| Bertigo Ltd | Administrative & support | 2019 |
| Berwin Advisory Limited | Professional & scientific | 2018 |
| Berwins Unlimited Limited | Real estate | 2017 |
| Besbro Properties Limited | Real estate | 2015 |
| Besbrode Pianos Limited | Wholesale & retail | 2001 |
| Besi Electronic Ltd | Wholesale & retail | 2014 |
| Besi Foods Ltd | Hospitality | 2024 |
| Besmart Services Ltd | Construction | 2023 |
| Bespoke Advisor 1 Ltd | Financial services | 2016 |
| Bespoke Automation and Control Services Ltd | Manufacturing | 2017 |
| Bespoke Beds of Oakwood Ltd | Wholesale & retail | 2015 |
| Bespoke Blueprint Ltd | Wholesale & retail | 2025 |
| Bespoke Cinemas Ltd | Extraterritorial | 2018 |
| Bespoke Civil Engineering Ltd | Construction | 2023 |
| Bespoke Clinic London Ltd | Health & social care | 2023 |
| Bespoke Curtain Company Limited | Manufacturing | 2008 |
| Bespoke Defenders Ltd | Wholesale & retail | 2019 |
| Bespoke Design Bathrooms Limited | Professional & scientific | 2016 |
| Bespoke Fire Safety Design Ltd | Professional & scientific | 2021 |
| Bespoke Groundwork Services Ltd | Construction | 2022 |
| Bespoke Hair Replacement Ltd | Education | 2024 |
| Bespoke Home Cinemas Ltd | Wholesale & retail | 2018 |
| Bespoke Interiors Harrogate Ltd | Construction | 2024 |
| Bespoke Interiors Leeds Ltd | Construction | 2022 |
| Bespoke Kitchens and Bedrooms LLP | | 2011 |
| Bespoke Legacy Jewellery Limited | Manufacturing | 2021 |
| Bespoke Luxury Chauffeurs Ltd | Transport & logistics | 2023 |
| Bespoke Medical Clinic Ltd | Health & social care | 2024 |
| Bespoke Medspa Ltd | Wholesale & retail | 2026 |
| Bespoke Networking Limited | Wholesale & retail | 2003 |
| Bespoke Plaster Mouldings Limited | Construction | 2014 |
| Bespoke Properties Leeds Limited | Real estate | 2017 |
| Bespoke Scoreboards Limited | Information & communication | 1998 |
| Bespoke Specialists Ltd | Other services | 2024 |
| Bespoke Surgical Limited | Health & social care | 2017 |
| Bespoke Transport Partner Ltd | Transport & logistics | 2025 |
| Bespoke Worx Ltd | Wholesale & retail | 2026 |
| Bespokefurn Ltd | Manufacturing | 2021 |
| Bess Farm (Sheff) Limited | Construction | 2025 |
| Bess Farm South Limited | Construction | 2025 |
| Best 625 Ltd | Wholesale & retail | 2024 |
| Best Baba Jaga Ltd | Wholesale & retail | 2025 |
| Best BRN Cleaners Ltd | Administrative & support | 2024 |
| Best Cleaning Services Limited | Administrative & support | 2025 |
| Best Connection Healthcare Ltd | Health & social care | 2022 |
| Best CUT Hairdressers Ltd | Other services | 2017 |
| Best Developments 64 Ltd | Construction | 2025 |
| Best Family Childcare Limited | Health & social care | 2005 |
| Best House Decor Ltd | Wholesale & retail | 2022 |
| Best in Home Healthcare Limited | Public administration | 2023 |
| Best Kitchenware UK Ltd | Wholesale & retail | 2026 |
| Best Midlife CIC | Education | 2024 |