| &Assets Ltd | Real estate | 2022 |
| &Thrive Ltd | Health & social care | 2025 |
| (Misg) Medical Industry Support Group Ltd | Financial services | 2023 |
| 1 Christchurch Road Clifton Management Company Limited | Households | 1982 |
| 1210 Enterprise Ltd | Wholesale & retail | 2025 |
| 1210 Group Ltd | Financial services | 2025 |
| 12THSTREAM Ltd | Extraterritorial | 2024 |
| 17 OPS GRU Ltd | Administrative & support | 2024 |
| 18 Brook Street (Freehold) Ltd | Households | 2018 |
| 187 Industries Ltd | Wholesale & retail | 2024 |
| 22 Northload Street Property Management Company Limited | Extraterritorial | 2008 |
| 2DAYDOORMATS Ltd | Wholesale & retail | 2023 |
| 3 Queens Parade Management Co. Limited | Households | 1977 |
| 31-03 Creative Ltd | Information & communication | 2011 |
| 324 Boutique Limited | Manufacturing | 2025 |
| 35 Apsley Road Limited | Households | 1987 |
| 35 Cornwallis Crescent Management Company Limited | Real estate | 1989 |
| 360MOTO Limited | Wholesale & retail | 2025 |
| 3C3 Limited | Wholesale & retail | 2019 |
| 3D Virtual Solutions Limited | Professional & scientific | 2017 |
| 3DMB Limited | Construction | 2015 |
| 3J’S Landscaping Ltd | Administrative & support | 2023 |
| 45 Kingsdown Parade Bristol Management Company Limited | Households | 2007 |
| 4EVERWEB Limited | Information & communication | 2010 |
| 4TECHZ Ltd | Wholesale & retail | 2024 |
| 56 Waterloo Road Ltd | Real estate | 2023 |
| 603 Limited | Construction | 2014 |
| 68 Hill Rise Residents Association Limited | Households | 2007 |
| 7 Westbury Road Henleaze Bristol Management Limited | Hospitality | 1987 |
| 73 ST Gabriels Road Ltd | Households | 2024 |
| 7C Cylinders Ltd | Arts & recreation | 2024 |
| 8 Wells Road Management NO. 2 Company Limited | Households | 2017 |
| 888 Recordings Limited | Information & communication | 2026 |
| 9 Beaufort East Bath (Management) Limited | Households | 1987 |
| 9 Widcombe Crescent Bath Management Limited | Households | 1994 |
| A - Z Self Storage Depot Ltd | Other services | 2016 |
| A BAP 'N a Brew Ltd | Hospitality | 2024 |
| A BIT on the Side (SW) Limited | Construction | 2008 |
| A H J Haulage Limited | Transport & logistics | 2002 |
| A K Miles T/A Jolliffe Arms Limited | Hospitality | 2019 |
| A M Developments (Kingsclere) Limited | Real estate | 2017 |
| A New Venture Limited | Health & social care | 2008 |
| A Stevens Building & Maintenance Ltd | Construction | 2004 |
| A&C Construction & Maintenance Ltd | Construction | 2025 |
| A&L Couriers Ltd | Transport & logistics | 2016 |
| A&N-Ms Holding Limited | Real estate | 2025 |
| A&O Construction and Consultancy Ltd | Construction | 2025 |
| A. Mitchell Carpentry Limited | Manufacturing | 2016 |
| A.S.L. (Bristol) Limited | Real estate | 1970 |
| A.Z.K. Design Office Limited | Professional & scientific | 2017 |
| A1 Test Centre Limited | Wholesale & retail | 2026 |
| A2B Plumbing & Heating (Bristol) Limited | Construction | 2022 |
| AA Lettings Bath Ltd | Real estate | 2024 |
| AAA Services & Solutions Ltd | Professional & scientific | 2024 |
| Aathenaa Limited | Wholesale & retail | 2019 |
| AB and Sons Property Ltd | Hospitality | 2025 |
| Abbey Piano Services Ltd | Wholesale & retail | 2010 |
| ABC Building & Renovations Ltd | Construction | 2018 |
| Abel & Graham Communications Ltd | Professional & scientific | 2019 |
| AC Technician Services Ltd | Information & communication | 2009 |
| Accelerando Limited | Professional & scientific | 1998 |
| Accm Southwest Ltd | Construction | 2021 |
| ACL Domestic Appliance Repairs Limited | Other services | 2013 |
| Acland Media Arts Limited | Information & communication | 2009 |
| Acootec Limited | Health & social care | 2022 |
| Acootec Solutions Limited | Extraterritorial | 2022 |
| Action Leisure Gear Limited | Wholesale & retail | 2008 |
| Actus Consultancy Limited | Professional & scientific | 2021 |
| Adapt Vehicle Solutions Limited | Wholesale & retail | 2021 |
| Adept Security Ltd | Extraterritorial | 2006 |
| ADF Education Limited | Education | 2014 |
| Aditya& Daksha Ltd | Health & social care | 2014 |
| Adrian Mason Limited | Professional & scientific | 2009 |
| Adrian Raymond Limited | Administrative & support | 1987 |
| ADT Financial Services Limited | Financial services | 2007 |
| Advisory Initiative on Monetary Sovereignty Limited | Education | 2025 |
| Aero Integrated Security Limited | Wholesale & retail | 2017 |
| Afan Property Investments Limited | Real estate | 2021 |
| AHM Medical Aesthetics Ltd | Health & social care | 2025 |
| Airearth Energy Limited | Construction | 2004 |
| AIT Training Developments LP | | 2022 |
| AJS Classy Canines Ltd | Other services | 2021 |
| AJS Home Improvements Limited | Construction | 2005 |
| AK Pizza Limited | Hospitality | 2014 |
| Alan Power Limited | Arts & recreation | 2026 |
| Albany Management Services Limited | Professional & scientific | 2009 |
| Albany Mobile Networks Limited | Professional & scientific | 2012 |
| ALC Mechanical Services Ltd | Construction | 2026 |
| Alexander Carpentry Ltd | Manufacturing | 2021 |
| Alexsys Ltd | Information & communication | 2019 |
| Alfie Buckles Limited | Wholesale & retail | 2019 |
| Alford Property Solutions Ltd | Water & waste | 2026 |
| Algy Sloane Limited | Information & communication | 2010 |
| Alien Energy Limited | Information & communication | 2017 |
| Alisak Consultancy Limited | Professional & scientific | 2015 |
| Alison Jenkins Garden and Landscape Design Ltd | Other services | 2006 |
| ALL Location Taxi Limited | Transport & logistics | 2023 |
| ALL Points Plumbing Limited | Construction | 2006 |
| ALL Tree Services Limited | Administrative & support | 2003 |
| ALL Waste Recycling & Skips Ltd | Other services | 2018 |