| Aspire Cleaning Contractors Limited | Administrative & support | 2017 |
| Aspire Cleaning Supplies Limited | Wholesale & retail | 2022 |
| Aspire Coaching Limited | Arts & recreation | 2012 |
| Aspire Hygiene Limited | Other services | 2020 |
| ASR Fabrication Ltd | Professional & scientific | 2022 |
| Asset & Portfolio Services PLC | | 1992 |
| Association Group Management Limited | Administrative & support | 2007 |
| Astute Security Limited | Administrative & support | 2014 |
| Atkins Electrical Installations Ltd | Construction | 2026 |
| Atlas Optics Ltd | Professional & scientific | 2024 |
| Atoz Printing Ltd | Manufacturing | 2019 |
| Aupulenz Ltd. | Information & communication | 2015 |
| Aurora Bear Studios Ltd | Information & communication | 2026 |
| Austal UK Limited | Extraterritorial | 2012 |
| Autodan Limited | Wholesale & retail | 2003 |
| Autogate Limited | Administrative & support | 2006 |
| Autolooms Ltd | Wholesale & retail | 2022 |
| Autosport Solutions Limited | Extraterritorial | 2018 |
| Aviation Safety Associates LLP | | 2003 |
| Avlon Court Management Company Limited | Other services | 2007 |
| B & T Electrical Services Limited | Construction | 2003 |
| B Medlicott Builders & Groundworks Ltd | Construction | 2003 |
| B&C Developments Limited | Real estate | 2018 |
| B41 Projects Ltd | Administrative & support | 2023 |
| Babur Fish Bar Ltd | Hospitality | 2024 |
| Babur Store Ltd | Wholesale & retail | 2017 |
| Bacchus Family Office Ltd | Other services | 2025 |
| Back to Active Limited | Health & social care | 2024 |
| Badgerswoodstory Limited | Real estate | 2017 |
| Badon Composites Limited | Manufacturing | 2017 |
| Bahatisha Ltd | Administrative & support | 2019 |
| Baillieu Consulting Limited | Professional & scientific | 2023 |
| Baker Security Group Ltd | Administrative & support | 2025 |
| Bakers Farm Management Company Ltd. | Real estate | 2004 |
| Balcam Limited | Wholesale & retail | 2017 |
| Baltie Property Ltd | Real estate | 2022 |
| Barlows Mews Management Company Limited | Households | 2013 |
| Barrie Johnson Limited | Other services | 2017 |
| Bb&A EOT Limited | Administrative & support | 2025 |
| Beak Consultancy Ltd | Professional & scientific | 2017 |
| Bean & Gone Cafe Limited | Hospitality | 2024 |
| Beautiful Salon Ltd | Other services | 2020 |
| Beckhill Refurbishments Ltd | Construction | 2021 |
| Benifold Consulting Ltd | Professional & scientific | 2006 |
| Bernlak Limited | Professional & scientific | 2024 |
| Betterscheme Property Management Limited | Real estate | 1986 |
| Betty's International Limited | Wholesale & retail | 2021 |
| BFP Care Services Ltd | Administrative & support | 2015 |
| BIA Medicare Ltd | Education | 2024 |
| Big BEN World Limited | Extraterritorial | 2013 |
| Billycars Limited | Transport & logistics | 2023 |
| BIM 3D Limited | Professional & scientific | 2021 |
| Birch Bernto and Associates Limited | Professional & scientific | 2007 |
| Bishop Kerames Ltd | Hospitality | 2009 |
| Bizgossip Limited | Professional & scientific | 2022 |
| Black Diamond Detailing Ltd | Administrative & support | 2025 |
| Blackmoor Golf Club Limited | Arts & recreation | 2002 |
| Blackmoor Health Care Limited | Health & social care | 2014 |
| Blue Bull Consultancy Services Ltd | Information & communication | 2019 |
| Bluewave Property Cleaning Ltd | Administrative & support | 2025 |
| Bobby Walsh Holdings Limited | Professional & scientific | 2024 |
| Bodystory Ltd | Other services | 2018 |
| Bodyworx Smart Repairs Ltd | Wholesale & retail | 2024 |
| Bolney Properties Limited | Construction | 2004 |
| Book-Chauffeur Ltd | Transport & logistics | 2026 |
| Bookings for YOU Limited | Administrative & support | 2011 |
| Boomer Consulting Ltd | Professional & scientific | 2023 |
| Bora's Cafe Ltd | Hospitality | 2025 |
| Bora's Fish & Chips Ltd | Hospitality | 2026 |
| Bordon Amateur Boxing Club CIC | Education | 2022 |
| Bordon Angling Centre Limited | Wholesale & retail | 1971 |
| Bordon Cafe Ltd | Hospitality | 2025 |
| Bordon Car Hire Ltd | Wholesale & retail | 2024 |
| Bordon Curry House Ltd | Hospitality | 2024 |
| Bordon Motors Ltd | Wholesale & retail | 2023 |
| Bordon Soapbox Ltd | Other services | 2024 |
| Bordon Takeaway Ltd | Hospitality | 2019 |
| Bournemouth Avionics Limited | Manufacturing | 2004 |
| Bowatt Properties Limited | Hospitality | 2007 |
| Bowthorne Property Ltd | Real estate | 2021 |
| BP High Voltage Services Ltd | Professional & scientific | 2014 |
| Brand Autos Ltd | Wholesale & retail | 2012 |
| Breeze Logic Ltd | Information & communication | 2019 |
| Brick the Magazine Limited | Information & communication | 2015 |
| Britannia Cleaning Hampshire Ltd | Administrative & support | 2026 |
| BRP Composites Limited | Manufacturing | 2002 |
| BRP Group Limited | Manufacturing | 2020 |
| BRP Machining Ltd | Manufacturing | 2009 |
| Bruno Spice Ltd | Hospitality | 2024 |
| Brush Strokes Stove Installations Ltd | Professional & scientific | 2025 |
| BU Engineering Consultancy Ltd | Professional & scientific | 2023 |
| Budd Leisure Limited | Hospitality | 2017 |
| Buddha and the Whale Limited | Information & communication | 2019 |
| Budgetloom Limited | Professional & scientific | 2024 |
| Buller Limited | Wholesale & retail | 2004 |
| Bumal Limited | Wholesale & retail | 2023 |
| Burmarc Limited | Professional & scientific | 1985 |
| Business Development Consultants Limited | Professional & scientific | 2022 |
| Business First Bookkeeping Services Limited | Extraterritorial | 2025 |
| Business Game Limited | Information & communication | 2003 |