| A K a Brickwork Contractors Limited | Construction | 2008 |
| A K Accountancy Ltd | Professional & scientific | 2003 |
| A K Architecture Ltd | Professional & scientific | 2017 |
| A K Brothers Property Ltd | Real estate | 2022 |
| A K Development (Bristol) Ltd | Construction | 2014 |
| A K O Carpets Ltd | Wholesale & retail | 2022 |
| A K Properties & Maintenance Ltd | Real estate | 2025 |
| A K Scaffolding Services Limited | Construction | 2019 |
| A K Soutwest Ltd | Transport & logistics | 2023 |
| A K W Building Services Limited | Construction | 2000 |
| A Kraja Ltd | Hospitality | 2023 |
| A Life in Tandem Productions Ltd | Information & communication | 2023 |
| A Little RAY of Sunshine Limited | Arts & recreation | 2014 |
| A Little Word on Wine Ltd | Extraterritorial | 2024 |
| A M B Motors Limited | Wholesale & retail | 2026 |
| A M Electrical and Property Services Limited | Construction | 2022 |
| A M Elevator Services Limited | Manufacturing | 2023 |
| A M Network Services Limited | Information & communication | 2016 |
| A M Project Services Operation Limited | Construction | 2012 |
| A MAN With a Plan Limited | Construction | 2011 |
| A Million and One Limited | Administrative & support | 2009 |
| A Minor Ltd | Arts & recreation | 2014 |
| A Missiato Holdings Limited | Financial services | 2024 |
| A Modern Topic Ltd | Health & social care | 2020 |
| A Morris Contractors Limited | Construction | 2023 |
| A N Hardwell Haulage Limited | Transport & logistics | 2003 |
| A N' K (Bath) Limited | Hospitality | 2015 |
| A NU YU Ltd | Extraterritorial | 2009 |
| A P Automotive Vehicle Sales and Maintenance Ltd | Wholesale & retail | 2024 |
| A P Carpentry Limited | Construction | 2006 |
| A P Edwards Plumbing & Heating Ltd | Construction | 2026 |
| A P Morgan Financial Services Ltd | Professional & scientific | 2019 |
| A Pets Tale Ltd | Wholesale & retail | 2025 |
| A Plan for When I’M Gone Limited | Other services | 2020 |
| A Plus Enviromaint Ltd | Professional & scientific | 2024 |
| A Plus Mens Coaching and Development Ltd | Professional & scientific | 2024 |
| A Productions Limited | Information & communication | 2000 |
| A Property Rentals Ltd | Real estate | 2024 |
| A R Cole Plant Hire & Agricultural Limited | Construction | 2003 |
| A R Dury & Co (Nailsea) Ltd | Extraterritorial | 2024 |
| A R Dury & Co Wraxall Limited | Professional & scientific | 2004 |
| A R Heating Services Limited | Construction | 2015 |
| A R Junoon Limited | Hospitality | 2019 |
| A R W Buildings Ltd | Real estate | 2024 |
| A Randall Consultancy Limited | Administrative & support | 2022 |
| A Roberts Groundworks Ltd | Construction | 2019 |
| A S C Williams Landscaping Limited | Other services | 2003 |
| A S K B Property Ltd | Real estate | 2025 |
| A S K Properties Bristol Limited | Construction | 2019 |
| A Sculpture Ltd | Arts & recreation | 2023 |
| A Seat at the Table Limited | Information & communication | 2020 |
| A Single Thread CIC | Arts & recreation | 2021 |
| A Star Electrical Services Limited | Professional & scientific | 2015 |
| A Star Roofing and Maintenance Limited | Construction | 2023 |
| A T Chibhamu Limited | Health & social care | 2016 |
| A T Shearn Electrical Limited | Construction | 2014 |
| A Taste of Thai Ltd | Extraterritorial | 2024 |
| A Taxis Bristol Limited | Transport & logistics | 2023 |
| A Thousand Tiny Cuts Limited | Information & communication | 2013 |
| A to L Properties Ltd | Real estate | 2015 |
| A Toko.Shop Ltd | Wholesale & retail | 2023 |
| A Touch of Healing Limited | Health & social care | 2008 |
| A V Digital Publishing Ltd. | Information & communication | 1998 |
| A V S GAS Limited | Construction | 2011 |
| A V Scans & Diagnostics Limited | Health & social care | 2015 |
| A W Carpentry Southwest Limited | Manufacturing | 2015 |
| A W D Electrical Ltd | Construction | 2014 |
| A W Flooring Ltd | Construction | 2005 |
| A W Joinery (Bristol) Limited | Manufacturing | 2014 |
| A W Parry Lifts Limited | Construction | 1999 |
| A W Sayers Ltd | Professional & scientific | 2010 |
| A Wadsworth Limited | Health & social care | 2012 |
| A Wilson Properties Ltd | Real estate | 2023 |
| A&A Maintenance Team Ltd | Construction | 2026 |
| A&B Refurbishments Ltd | Manufacturing | 2024 |
| A&C Facilities UK Limited | Construction | 2021 |
| A&C Landscapes Ltd | Administrative & support | 2021 |
| A&D Automotive Ltd | Wholesale & retail | 2024 |
| A&D Fishers Ltd | Hospitality | 2025 |
| A&E Accessibility and Environment CIC | Information & communication | 2025 |
| A&E Hair and Makeup Studio Ltd | Other services | 2018 |
| A&E Properties Hub Limited | Households | 2025 |
| A&E Property Services Ltd | Construction | 2016 |
| A&F Holidays Ltd | Administrative & support | 2024 |
| A&F Investments and Properties Limited | Real estate | 2016 |
| A&G Beauty Ltd | Other services | 2025 |
| A&G Interiors Bristol Limited | Construction | 2021 |
| A&H Export Agent Ltd | Manufacturing | 2020 |
| A&H Lifestyle Ltd | Health & social care | 2009 |
| A&I Store Ltd | Wholesale & retail | 2026 |
| A&K Peggram Holdings Ltd | Construction | 2025 |
| A&K Renovations Ltd | Construction | 2017 |
| A&M Education Consulting Ltd | Education | 2024 |
| A&M Professional Services Ltd | Wholesale & retail | 2021 |
| A&P Express Trans Limited | Transport & logistics | 2021 |
| A&R Brunel Limited | Wholesale & retail | 2025 |
| A&R Capital Holdings Limited | Financial services | 2025 |
| A&R Gardening Services Ltd | Administrative & support | 2026 |
| A&R Hobley Limited | Wholesale & retail | 2025 |
| A&R Jones Property Limited | Real estate | 2019 |