| Bedford Wheels Limited | Wholesale & retail | 1993 |
| Bedford Windows & Doors Ltd | Manufacturing | 2021 |
| Bedfords MOT Centre Ltd | Wholesale & retail | 2021 |
| Bedfordshire and Luton Community Foundation | Other services | 2001 |
| Bedfordshire and Northamptonshire Multiple Sclerosis Therapy Centre Limited | Health & social care | 1988 |
| Bedfordshire Automotive Limited | Wholesale & retail | 2018 |
| Bedfordshire Charitable Trust Limited | Health & social care | 1964 |
| Bedfordshire Courier Limited | Transport & logistics | 2018 |
| Bedfordshire Crimebeat Limited | Education | 2000 |
| Bedfordshire Electrician Ltd | Construction | 2024 |
| Bedfordshire Garden Buildings Ltd | Construction | 2021 |
| Bedfordshire Golf Club Ltd | Wholesale & retail | 2023 |
| Bedfordshire Historical Record Society | Information & communication | 2001 |
| Bedfordshire Hot Tubs Ltd | Wholesale & retail | 2015 |
| Bedfordshire Innovators Limited | Extraterritorial | 2013 |
| Bedfordshire Open Door | Health & social care | 1996 |
| Bedfordshire Opportunities for Learning Disabilities Ltd | Wholesale & retail | 2001 |
| Bedfordshire Property Lawyers Limited | Professional & scientific | 2008 |
| Bedfordshire Rentals Limited | Real estate | 2017 |
| Bedfordshire Residential Ltd | Real estate | 2018 |
| Bedfordshire Rooms Ltd | Real estate | 2017 |
| Bedfordshire School of Dance and Drama Limited | Education | 2002 |
| Bedfordshire Supported Housing Limited | Health & social care | 2009 |
| Bedfordshire Windows Group Limited | Financial services | 2023 |
| Bedfordshire Windows Limited | Construction | 2017 |
| Beds & Bucks Farriers Limited | Agriculture & fishing | 2016 |
| Beds & Herts Maxillofacial Specialists Ltd | Health & social care | 2019 |
| Beds and Herts Solutions Ltd. | Education | 2018 |
| Beds Bucks Sandblasting Limited | Construction | 2023 |
| Beds Bulletin Ltd | Manufacturing | 2022 |
| Bedslife Ltd | Information & communication | 2016 |
| BEE API Limited | Professional & scientific | 2017 |
| BEE Promoted Ltd | Wholesale & retail | 2017 |
| BEE Trained Limited | Education | 2024 |
| Beech Court (Bromham Road) Management Company Limited | Households | 1990 |
| Beechstone Building Services Limited | Construction | 2018 |
| Beeken Associates Ltd | Professional & scientific | 2023 |
| Beeken Holdings Ltd | Real estate | 2024 |
| Beer Mule Ltd | Wholesale & retail | 2020 |
| Beerhive Pubs Ltd | Hospitality | 2023 |
| Befit Gym Ltd | Education | 2017 |
| Begum Property Investments Ltd | Real estate | 2024 |
| Behave Creatives Ltd | Arts & recreation | 2017 |
| Behavioural Management Solutions Limited | Education | 2023 |
| Behold Beauty Limited | Other services | 2020 |
| Bela Electronic Designs Holdings Limited | Financial services | 2021 |
| Belawyers Ltd | Professional & scientific | 2020 |
| Belcha Make and Craft Ltd | Education | 2024 |
| Belgravia Joinery Ltd | Construction | 2021 |
| Bell Family Ltd | Professional & scientific | 2023 |
| Bella Autos Ltd | Wholesale & retail | 2023 |
| Bella Farm Limited | Real estate | 2026 |
| Bella Gifts Ltd | Wholesale & retail | 2019 |
| Bella Hair Studio Ltd | Other services | 2024 |
| Bella Sicilia (Kettering) Limited | Hospitality | 2015 |
| Bella Sicilia Limited | Hospitality | 2021 |
| Bella Sparkle Cleaning Services Ltd | Administrative & support | 2025 |
| Bellabeau Balloons and Event Decor Ltd | Wholesale & retail | 2025 |
| Bellared Consultancy Ltd | Information & communication | 2025 |
| Bellcote Meadows Management Limited | Households | 1990 |
| Belle Spraying Limited | Professional & scientific | 2023 |
| Bellevue Hill Ltd | Financial services | 2022 |
| Belltwin Commercial Catering Engineers Ltd | Construction | 2018 |
| Bellwood Holdings Limited | Construction | 2018 |
| Bellwood Interiors Limited | Construction | 2004 |
| Belmont Guard Limited | Administrative & support | 2016 |
| Belong Studio (MK) Ltd | Real estate | 2026 |
| Belron - UK Pension Plan Trustees Limited | Financial services | 2011 |
| Belron UK Limited | Wholesale & retail | 1951 |
| Belrose Plant Ltd | Wholesale & retail | 2020 |
| Belvae Consulting Limited | Information & communication | 2018 |
| BEN LM Design Limited | Professional & scientific | 2015 |
| BEN Perkins Real Estate Ltd | Real estate | 2022 |
| Ben's Bites Ltd | Information & communication | 2023 |
| Benbeth Limited | Administrative & support | 2022 |
| Benchmark Construction and GAS Ltd | Construction | 2022 |
| Benchmark Electrical Contractors Limited | Construction | 2013 |
| Benedict Bedford Limited | Real estate | 2016 |
| Benedict Thomas Property Holdings Ltd | Real estate | 2019 |
| Benington Nursery Ltd | Health & social care | 2019 |
| Benson Operational Excellence Limited | Professional & scientific | 2025 |
| Bensons Bens Limited | Construction | 2025 |
| Bentley Edwards Ltd | Wholesale & retail | 2023 |
| Bentley James Limited | Professional & scientific | 2008 |
| Bentley's the Collection Limited | Wholesale & retail | 2012 |
| Bentleys Entertainments Limited | Other services | 1986 |
| Bents Close Management Limited | Households | 1986 |
| Berberanda Ltd | Other services | 2025 |
| Berberry Drive Management Company Limited | Professional & scientific | 2012 |
| Berkeley Square Investment Company Limited | Real estate | 1999 |
| Berkerley Wealth Limited | Professional & scientific | 2019 |
| Berrak Property Ltd | Real estate | 2024 |
| Berry & Cole Limited | Professional & scientific | 2013 |
| BES Geomatics Ltd | Construction | 2013 |
| Beserving Ltd | Hospitality | 2025 |
| Bespoke CTW Ltd | Construction | 2021 |
| Bespoke Designs (Aspley Guise) LLP | | 2022 |
| Bespoke Healthcare Services Ltd | Health & social care | 2022 |
| Bespoke Lift Plans Ltd | Administrative & support | 2025 |
| Bespoke Pools & Landscapes Ltd | Construction | 2022 |