| "Better Call Cecil" Ltd | Extraterritorial | 2020 |
| 29 Cornwall Crescent Residents Company Limited | Households | 1994 |
| 3 Hill Street Limited | Hospitality | 2013 |
| 3 REX Limited | Information & communication | 2016 |
| 351 Fitness Limited | Other services | 2021 |
| 4KP Limited | Real estate | 2023 |
| 4WARD Property Developments Ltd | Construction | 2012 |
| 5 Consulting (Investments) Ltd | Financial services | 2018 |
| 5 Consulting Limited | Professional & scientific | 2004 |
| 8 Ambra Vale East (Bristol) Management Company Limited | Hospitality | 2008 |
| 888 Properties Limited | Construction | 2014 |
| A & P Kabins Limited | Manufacturing | 2024 |
| A & R James Assets Ltd | Construction | 2014 |
| A & R James Consultancy Ltd | Professional & scientific | 2019 |
| A - Z General Stores Limited | Wholesale & retail | 2024 |
| A a Kear Electrical Services Limited | Construction | 2012 |
| A J Boiler Maintenance Limited | Construction | 2007 |
| A J Taylor CRC Limited | Wholesale & retail | 2024 |
| A Peacey Building Limited | Construction | 2016 |
| A&W Barr Holdings Limited | Real estate | 2025 |
| A. & J. Woolf Properties Limited | Construction | 1964 |
| Abbey Metal Recycling Limited | Wholesale & retail | 2010 |
| Able Plastics Upvc Limited | Construction | 2016 |
| Aboost Limited | Other services | 2023 |
| Absolute Academy Ltd | Administrative & support | 2025 |
| Accessibility ALL Areas Ltd | Information & communication | 2023 |
| Acea Ltd | Information & communication | 2026 |
| Acquisition Precision Limited | Professional & scientific | 2013 |
| Acrow Global Limited | Construction | 2019 |
| Acrylic Aquariums UK Limited | Manufacturing | 2016 |
| ACW Analytical Ltd | Professional & scientific | 2019 |
| Adam Fielder Broadcast Ltd | Information & communication | 2024 |
| Adam Slee Nails Limited | Other services | 2017 |
| Adept Certification Ltd | Professional & scientific | 2026 |
| Administrated Services Ltd | Administrative & support | 2017 |
| Advanced Project Services Ltd | Construction | 2024 |
| Adventure Taverns Limited | Hospitality | 2023 |
| Agricrop Services Limited | Agriculture & fishing | 2008 |
| Agrimatics Rental Limited | Administrative & support | 2025 |
| Agtec Severnside Ltd | Construction | 2014 |
| Ahbar Ltd | Wholesale & retail | 2017 |
| AHS Food Trading Ltd | Hospitality | 2022 |
| Aircraft and Avionics Engineering Limited | Professional & scientific | 2012 |
| Aircrafters Ltd | Manufacturing | 2024 |
| Ajporganics Ltd | Wholesale & retail | 2026 |
| AK Building Maintenance Service Ltd | Construction | 2025 |
| Albany Engineering Group Limited | Manufacturing | 2008 |
| Albany Pumps Trustees Limited | Administrative & support | 2015 |
| Albury Land Management Limited | Professional & scientific | 2025 |
| Albury Land Nominee NO.1 Limited | Professional & scientific | 2003 |
| Albury Land Nominee NO.2 Limited | Professional & scientific | 2003 |
| Alex Bailey Contracting Ltd | Agriculture & fishing | 2024 |
| Alex Porter Electrical Limited | Construction | 2020 |
| ALL Silva Ltd | Financial services | 2024 |
| Allaston Developments Limited | Construction | 2013 |
| Alldon Holdings Limited | Construction | 2019 |
| Alley Cat Garage Ltd | Wholesale & retail | 2020 |
| Alliance Property Investments (UK) Ltd | Real estate | 2014 |
| Alnoor Trading Ltd | Wholesale & retail | 2012 |
| Alton Homes Limited | Real estate | 2017 |
| Altruistic Investments Limited | Professional & scientific | 2021 |
| Aluminium Vision Ltd | Manufacturing | 2025 |
| Amazing Bees Ltd | Agriculture & fishing | 2022 |
| Amigoss Lydney Limited | Hospitality | 2023 |
| Amity Electrical Limited | Construction | 2021 |
| Amity Management Limited | Professional & scientific | 2019 |
| Andrew Bishop Limited | Professional & scientific | 2007 |
| Andrew Letheren Carpets Limited | Wholesale & retail | 2014 |
| Andy Davis Limited | Extraterritorial | 2009 |
| Andy Lewis MBE Performance Coaching Ltd | Professional & scientific | 2023 |
| Anglin Home Improvement Ltd | Construction | 2025 |
| Annexe Lydney Limited | Hospitality | 2017 |
| Antler Events Limited | Hospitality | 2021 |
| Antlers Properties Limited | Real estate | 2025 |
| Apex Architecture Limited | Administrative & support | 2009 |
| Apple Park Properties Limited | Real estate | 2017 |
| Archie's Bar Ltd | Hospitality | 2024 |
| Arden Lettings (Lydney) Limited | Real estate | 2013 |
| Ardour-Stoves Limited | Financial services | 2018 |
| Ari-Andra Ltd | Administrative & support | 2024 |
| Aroha Properties Limited | Real estate | 2015 |
| ARP Recovery Services Limited | Transport & logistics | 2022 |
| Art Home and Gardens Limited | Construction | 2022 |
| Artemis Residences Limited | Real estate | 2020 |
| Articulate Business Communications Ltd | Professional & scientific | 2016 |
| ASC Design and Procurement Limited | Manufacturing | 2018 |
| Ashbold Limited | Professional & scientific | 1989 |
| Aspects Decorating and Property Maintenance Limited | Other services | 2005 |
| AT Silverwood Ltd | Hospitality | 2025 |
| Atelier 009 Ltd | Professional & scientific | 2025 |
| Atkinbridge Limited | Wholesale & retail | 1971 |
| Auto-Fixx Cinderford Limited | Wholesale & retail | 2024 |
| B K Hutchinson Limited | Agriculture & fishing | 2017 |
| B M J International Limited | Administrative & support | 1987 |
| B. & H. Transport Limited | Transport & logistics | 1980 |
| Back to Nature Holidays Ltd | Hospitality | 2020 |
| Badboy Evolution Limited | Wholesale & retail | 2017 |
| Badger Productions Media Ltd | Information & communication | 2023 |
| Bailey Installations Ltd | Construction | 2015 |
| Balcony Business Services Limited | Administrative & support | 1998 |