| Arlo Wolf Limited | Wholesale & retail | 2016 |
| Armentum Holdings Ltd | Financial services | 2026 |
| Arnhaven Limited | Construction | 1988 |
| Artilys Group Limited | Financial services | 2026 |
| Artisan Holdings Group Limited | Professional & scientific | 2023 |
| AS Bullock Services Limited | Construction | 2026 |
| Ascend Global Concierge Ltd | Administrative & support | 2024 |
| Ashfield Surveyors Ltd | Professional & scientific | 2023 |
| Ashtag Barbers Ltd | Other services | 2025 |
| Aslr Holdings Ltd | Financial services | 2023 |
| ASP Creative Limited | Professional & scientific | 2018 |
| Asset Readiness Group Ltd | Construction | 2026 |
| Assured AV Ltd | Information & communication | 2024 |
| Assured Systems (UK) Ltd | Information & communication | 2011 |
| Astan Group Holdings Ltd | Financial services | 2025 |
| Astan Property Ltd | Real estate | 2025 |
| Astan Renewable Energy Ltd | Manufacturing | 2010 |
| Aster Academy Ltd | Education | 2024 |
| Aster Tuition Limited | Education | 2023 |
| Aston Electronics Limited | Other services | 2011 |
| Aston Homes (Land) Limited | Construction | 2018 |
| Aston House Investments Limited | Real estate | 2018 |
| Astral Property Holdings Limited | Construction | 1998 |
| Asuri and Daughters Limited | Health & social care | 2014 |
| Asuri and Daughters Property Ltd | Real estate | 2023 |
| Atalanta Engineering Limited | Professional & scientific | 2010 |
| Atalanta Motors Limited | Extraterritorial | 2009 |
| Atlantis Heating & Plumbing Ltd | Construction | 2024 |
| Atlantys Property Limited | Real estate | 2021 |
| Auburn Construction Ltd | Construction | 2002 |
| Audrey Young Ltd | Hospitality | 2025 |
| Aureus Property Letts Ltd | Real estate | 2024 |
| Austins Independent Estate Agents Ltd | Real estate | 2018 |
| Autocare-Rentabox Ltd | Wholesale & retail | 2015 |
| Automotive Perfection Ltd | Wholesale & retail | 2019 |
| Automotive Solutions (Staffs) Limited | Wholesale & retail | 2015 |
| Automotive Structures Integrity Limited | Professional & scientific | 2025 |
| Autoscribe Limited | Information & communication | 1981 |
| Avalon Automotive Ltd | Wholesale & retail | 2011 |
| B & M Elkin & SON Limited | Agriculture & fishing | 2003 |
| B3 Shopfitting Limited | Construction | 2001 |
| Bachra House Ltd | Wholesale & retail | 2014 |
| Back 2 Back Gymnastics Club Ltd | Arts & recreation | 2017 |
| Back 2 Back Gymnastics Community C.I.C. | Arts & recreation | 2017 |
| Back 2 Back Investments Ltd | Construction | 2022 |
| Back 2 Back Wellbeing Ltd | Extraterritorial | 2024 |
| Bagnall Construction Limited | Manufacturing | 1989 |
| Bakul Vasant and Granddaughters Ltd | Financial services | 2021 |
| Barlaston Golf Trading Limited | Arts & recreation | 2016 |
| Barleybeat Group Ltd | Financial services | 2025 |
| Barleybeat Ltd | Administrative & support | 2025 |
| Basford Denyer Toft Limited | Professional & scientific | 2024 |
| Basm Communications Ltd | Wholesale & retail | 2025 |
| Baylissian Limited | Real estate | 2017 |
| BB Tile Imports Limited | Wholesale & retail | 2017 |
| BBJ Property Holdings Limited | Financial services | 2019 |
| BBJ Property Limited | Real estate | 2005 |
| BDA Facade's Limited | Construction | 2019 |
| Beatrice Brennan Ltd | Professional & scientific | 2016 |
| Beauty Rebellion Limited | Other services | 2019 |
| Beech : Cole Limited | Real estate | 2004 |
| Beech Tree Property Ltd | Real estate | 2019 |
| BEN Gamble Therapy Limited | Arts & recreation | 2019 |
| Bequest Investments Ltd | Real estate | 2022 |
| Berkdale Property (Stone) Limited | Real estate | 2013 |
| Bespoke Aesthetics Limited | Other services | 2017 |
| Bespoke Creations Stafford Limited | Other services | 2015 |
| Bespoke Shelter Solutions Ltd | Transport & logistics | 2022 |
| Beyond OUR Better Intelligence Ltd | Information & communication | 2025 |
| Beyond the Barricade Limited | Arts & recreation | 2009 |
| Big Top Musical Adventures Community Interest Company | Education | 2014 |
| Birchfield Property Investments Limited | Real estate | 2020 |
| Birchfield School Limited | Education | 2020 |
| Bishops Wood House Land Limited | Real estate | 2011 |
| Bitjam Limited | Information & communication | 2011 |
| Black Rock Lifestyle Limited | Wholesale & retail | 2010 |
| Blacklake Systems Limited | Manufacturing | 1979 |
| Blame Bars Ltd | Hospitality | 2025 |
| Blanc Three Ltd | Hospitality | 2025 |
| Blancomet Recycling UK Limited | Administrative & support | 2009 |
| Blessed Dzongodza Ltd | Other services | 2020 |
| Bloom Bars Limited | Hospitality | 2019 |
| Blossombb Limited | Professional & scientific | 2011 |
| Blue Iris Landscapes Limited | Administrative & support | 2013 |
| Blueflame Performance Limited | Wholesale & retail | 2016 |
| Blythmarsh Canine Limited | Agriculture & fishing | 2021 |
| BMY Property Limited | Real estate | 2021 |
| BNG Solutions UK (Staffordshire) Ltd | Professional & scientific | 2020 |
| Bobskis Products Limited | Manufacturing | 2010 |
| Body Fasteners Limited | | 1984 |
| Bohr Engineering Limited | Extraterritorial | 2021 |
| Bohr Group Limited | Manufacturing | 2025 |
| Bohr Limited | Manufacturing | 2021 |
| Boomloo Limited | Information & communication | 2026 |
| Borefix Ltd | Manufacturing | 2025 |
| Bottai Limited | Information & communication | 2024 |
| Boundary Works Ltd | Real estate | 2025 |
| Bowden Networks Ltd | Information & communication | 2014 |
| BPA Staffs Limited | Professional & scientific | 2020 |
| Bradley George Ltd | Wholesale & retail | 2025 |