| BDS Development Solutions Ltd | Information & communication | 2023 |
| BDS Driver Hire Ltd | Transport & logistics | 2020 |
| BE Activated UK Ltd | Health & social care | 2011 |
| BE AI Irreplaceable Ltd | Professional & scientific | 2026 |
| BE Application Development Ltd | Information & communication | 2016 |
| BE Better Hub Ltd | Arts & recreation | 2025 |
| BE Inspired Building and Surveying Services Limited | Construction | 2009 |
| BE More YOU Online Ltd | Professional & scientific | 2024 |
| BE Shiny Cleaning Services Ltd | Administrative & support | 2018 |
| BE Smart Accounting Ltd | Professional & scientific | 2012 |
| BE Smart Bookkeeping Ltd | Professional & scientific | 2018 |
| BE Sparkle Cleaning Ltd | Administrative & support | 2025 |
| BE Venturesome Philanthropy Ltd | Administrative & support | 2023 |
| BE YOU Model Collective Ltd | Administrative & support | 2026 |
| BE Your Best Foundation | Education | 1998 |
| Be-Be's Cafe Limited | Hospitality | 2002 |
| Beach Lane Property Management Ltd | Households | 2012 |
| Beacon and Family Limited | Construction | 2016 |
| Beacon Hill Caravan Park Limited | Hospitality | 2017 |
| Beaconhurst International Education Ltd | Education | 2026 |
| Beaconsfield Home Delivery and Takeaway Ltd | Administrative & support | 2024 |
| Beaconsoft Limited | Information & communication | 2016 |
| Beadsworth Limited | Arts & recreation | 2014 |
| Beam Landscapes Limited | Administrative & support | 2022 |
| Beam Media Limited | Information & communication | 2026 |
| Beamz Trust CIC | Manufacturing | 2020 |
| Bean and Corn Limited | Health & social care | 2024 |
| Bean There, Built That Limited | Hospitality | 2026 |
| Beanstalk Holdings Limited | Information & communication | 2018 |
| Beanstalk Publishing Ltd | Information & communication | 2021 |
| Bear Electrical Contractors Ltd | Construction | 2020 |
| Bear Paws HQ Ltd | Wholesale & retail | 2025 |
| Bear Realty UK Ltd | Real estate | 2024 |
| Bear Valley Company Ltd. | Wholesale & retail | 2015 |
| Beards & Boards Ltd | Hospitality | 2019 |
| Bearwood Pharma Ltd | Wholesale & retail | 2025 |
| Beasley Haynes Limited | Construction | 2016 |
| Beast Transport Ltd | Transport & logistics | 2020 |
| Beatrice House RTM Company Limited | Households | 2025 |
| Beatus Agency Limited | Information & communication | 2025 |
| Beatus Removals & Cleaning Ltd | Transport & logistics | 2025 |
| Beau Chic Lyndhurst Ltd | Other services | 2018 |
| Beau Vista Windows Limited | Construction | 2016 |
| Beaufort Knight Ltd | Real estate | 2019 |
| Beaulieu House Management Company Limited | Households | 1991 |
| Beaulieu Landscapes Design Limited | Administrative & support | 2020 |
| Beaumont Heating Maintenance Limited | Transport & logistics | 1996 |
| Beauteous Things Limited | Wholesale & retail | 2017 |
| Beautiful Spaces Ltd | Real estate | 2022 |
| Beautiful Windows Ltd | Construction | 2004 |
| Beautifully Enhanced Training & Apprentices Ltd | Other services | 2023 |
| Beauty Arts Ltd | Other services | 2023 |
| Beauty Bar Warsash Ltd | Health & social care | 2019 |
| Beauty Bears Ltd | Wholesale & retail | 2023 |
| Beauty Bloom Clinic Ltd | Other services | 2022 |
| Beauty by AJA Ndeye Ltd | Other services | 2019 |
| Beauty by Sahrash Ltd | Other services | 2024 |
| Beauty Care Limited | Health & social care | 2014 |
| Beauty Enhanced (UK) Ltd | Other services | 2014 |
| Beauty Fare Station Limited | Other services | 2025 |
| Beauty Revival Ltd | Other services | 2012 |
| Beauty Therapy by Lindsey Limited | Other services | 2000 |
| Beauty-Spot Ltd | Professional & scientific | 2014 |
| Beba AI Ltd | Professional & scientific | 2025 |
| Bebe&Edward Ltd | Wholesale & retail | 2022 |
| Bebunni Ltd | Wholesale & retail | 2012 |
| Becama Holdings Limited | Professional & scientific | 2016 |
| Beccaboo Media Limited | Information & communication | 2025 |
| Beccie Dunn Fitness Ltd | Arts & recreation | 2026 |
| Beck Associates (Business Services) Limited | Professional & scientific | 2006 |
| Becketts Plumbing and Heating Ltd | Construction | 2021 |
| Beckley Walk Management Company 2 Limited | Households | 2020 |
| Becky Hair Plait Ltd | Other services | 2021 |
| Becquia Holdings Ltd | Manufacturing | 2016 |
| Becton Developments Ltd | Construction | 2021 |
| Bedford Apartments Limited | Construction | 2018 |
| Bedford Construction Limited | Construction | 2025 |
| Bedford Place Hospitality Limited | Hospitality | 2024 |
| Bedford Place Mini Market 55 Ltd | Wholesale & retail | 2026 |
| Bedford Place Mini Market Ltd | Wholesale & retail | 2025 |
| Bedford Place PUB Co Limited | Hospitality | 2018 |
| Bedtop Ltd | Manufacturing | 2025 |
| Bedwells Ltd | Construction | 2019 |
| Bedworth Haulage Company Limited | Transport & logistics | 1970 |
| BEE LEE Sales Limited | Wholesale & retail | 2023 |
| BEE Plant Hire Ltd | Administrative & support | 2020 |
| BEE Plumbing Specialists Ltd | Construction | 2022 |
| BEE Seen Group Ltd | Financial services | 2019 |
| BEE5 Ltd | Real estate | 2020 |
| Beech Contractors Ltd | Construction | 2024 |
| Beechen Building Contractors Limited | Construction | 2012 |
| Beechen Glamping Limited | Hospitality | 2018 |
| Beechen Groundworks and Plant Hire Limited | Construction | 2015 |
| Beechen Holdings Limited | Financial services | 2024 |
| Beeches Farm Swanmore Ltd | Agriculture & fishing | 2002 |
| Beeches Hill Management Company Limited | Households | 2013 |
| Beechmount Homes Limited | Construction | 2018 |
| Beechwood CCS Ltd | Professional & scientific | 2009 |
| Beechwood Motor Company Limited | Wholesale & retail | 2006 |
| Beechwood Residents (Bartley) Limited | Households | 2001 |