| 1 Arras Wold Limited | Energy | 2012 |
| 1 Gloucester Road Management Company Limited | Households | 2011 |
| 12CP Limited | Wholesale & retail | 2019 |
| 1809 Property Services Ltd | Real estate | 2022 |
| 3C Resourcing Limited | Administrative & support | 2023 |
| 40/50 Buscombe Gardens Management Company Limited | Households | 1998 |
| A J England's Finest Gardens Ltd | Construction | 2002 |
| A&S Spray Limited | Wholesale & retail | 2024 |
| Aaryan Retail Limited | Wholesale & retail | 2025 |
| Ablative Consulting Ltd | Information & communication | 2023 |
| Ablative Hosting Limited | Extraterritorial | 2017 |
| Above & Beyond Retail UK Ltd | Wholesale & retail | 2019 |
| ACH Property Services Limited | Construction | 2026 |
| Advanced Intelligence Solutions Ltd | Information & communication | 2026 |
| Aetek Ltd | Professional & scientific | 2018 |
| Agorob Transport Ltd | Transport & logistics | 2016 |
| Agrarian Construction Project Management Ltd | Construction | 1998 |
| Agrarian Limited | Professional & scientific | 2000 |
| Agrarian Ssas Limited | Financial services | 2024 |
| AIM Powergen Limited | Professional & scientific | 2006 |
| Aircraft Paint Protection Ltd. | Manufacturing | 2016 |
| Airos Operations Ltd | Professional & scientific | 2024 |
| Allen Facilities Management Limited | Extraterritorial | 2021 |
| Alpha Communications.Com Ltd | Manufacturing | 2009 |
| Alpha Holdings Management Ltd | Real estate | 2022 |
| AMG Flooring Solutions Ltd | Construction | 2017 |
| Angel Campers Ltd | Administrative & support | 2021 |
| Aquatic Chemicals Ltd | Manufacturing | 2016 |
| Art of the Bar Design Studio Limited | Professional & scientific | 2025 |
| Aslam Healthcare Ltd | Wholesale & retail | 2023 |
| Avon Designs Limited | Construction | 2014 |
| Avonmouth Windfarm Limited | Energy | 2013 |
| Aylward Harris Real Estate Ltd | Real estate | 2023 |
| Azura Rose Ltd | Wholesale & retail | 2021 |
| B&M Berkeley Care Ltd | Health & social care | 2019 |
| Back 2 Nature Childcare Ltd | Education | 2017 |
| Baytree House Developments Limited | Construction | 2018 |
| Beaufort Acquisitions Ltd | Real estate | 2023 |
| Beaufort Hunt Limited | Hospitality | 2012 |
| Bella Beauty Laser Luxe Ltd | Other services | 2024 |
| Benbe Plumbing and Heating Limited | Construction | 2020 |
| Berkeley Books | Arts & recreation | 2011 |
| Berkeley Castle Enterprises Limited | Wholesale & retail | 1997 |
| Berkeley Childcare Ltd | Health & social care | 2016 |
| Berkeley Community Sports & Leisure Trading Limited | Arts & recreation | 2008 |
| Berkeley Community Swimming Pool | Arts & recreation | 2012 |
| Berkeley Crane Hire Ltd | Administrative & support | 2024 |
| Berkeley Delight Limited | Hospitality | 2023 |
| Berkeley Fabrication & Welding Ltd | Manufacturing | 2003 |
| Berkeley Farms Limited | Agriculture & fishing | 1995 |
| Berkeley Garage (Berkeley) Ltd | Wholesale & retail | 2022 |
| Berkeley Heath Enterprises Limited | Hospitality | 2001 |
| Berkeley Racing | | 2009 |
| Berkeley Service Station Ltd | Wholesale & retail | 2021 |
| Berkeley Stone Property Limited | Real estate | 2025 |
| Berkford Property Ltd | Real estate | 2026 |
| Biabco Investments Ltd | Financial services | 2016 |
| Blanchworth Care Homes Limited | Extraterritorial | 2005 |
| Blanchworth Care Limited | Health & social care | 1999 |
| BLU Ventures Limited | Financial services | 2020 |
| Blue Stag Learning Limited | Professional & scientific | 2018 |
| Brand Meets Events Ltd | Administrative & support | 2013 |
| Brantwood Consultants Ltd | Construction | 2025 |
| Brass Horn Communications | Information & communication | 2015 |
| Brew Branding and Marketing Ltd | Professional & scientific | 2024 |
| Brickjet Limited | Hospitality | 2004 |
| Bristol & Gloucester Heating Ltd | Construction | 2024 |
| Bristol Shutters Ltd | Wholesale & retail | 2018 |
| Brizzle Events Ltd | Other services | 2021 |
| Bromhead Photography Limited | Professional & scientific | 2006 |
| Brookend Bargains Ltd | Wholesale & retail | 2025 |
| Burger BUS South West Ltd | Hospitality | 2019 |
| Buss Marine Limited | Manufacturing | 2024 |
| C & S Ewins Limited | Real estate | 2022 |
| C&R Sculptures and Metal Fabrications Ltd | Professional & scientific | 2025 |
| C&R Trailer Servicing & Horsebox Modification Ltd | Wholesale & retail | 2026 |
| C-H Cleaning (UK) Ltd | Administrative & support | 2012 |
| Cadbury Angling Limited | Agriculture & fishing | 2022 |
| Cecily Estates Limited | Real estate | 2013 |
| Cefn Y Maes Community Renewable Energy Park Ltd | Construction | 2012 |
| Centaur Veterinary Properties LLP | | 2010 |
| Challinor Holdings Limited | Administrative & support | 2021 |
| Chamberlain Bros. Construction Limited | Construction | 1999 |
| Chambers QS Limited | Professional & scientific | 2007 |
| Chemko Ltd | Manufacturing | 2023 |
| Cheverton Down Wind Farm C.I.C. | Energy | 2015 |
| Chocolate Grinder Limited | Professional & scientific | 2010 |
| Chris Palmer Auto Services Limited | Wholesale & retail | 2009 |
| City Auctioneering Ltd | Administrative & support | 2000 |
| Clarry's Gift Company Ltd | Wholesale & retail | 2021 |
| Collhill Property Ltd | Real estate | 2025 |
| Colmers HR Solutions Limited | Administrative & support | 2015 |
| Commerce International (Corporate Advisory) Limited | Real estate | 2019 |
| Commovate Limited | Information & communication | 2004 |
| Conversion Media Ltd | Information & communication | 2024 |
| Corben-Dallas Ltd | Information & communication | 2009 |
| Cotswold Chemicals and Lubricants Limited | Wholesale & retail | 1999 |
| Coupled Approach Limited | Manufacturing | 2017 |
| Croll Electrical Services Limited | Construction | 2020 |
| Cross Country Co Automotive Ltd | Extraterritorial | 2021 |