| Avantrec Ltd | Information & communication | 2019 |
| Avara Support Ltd | Education | 2025 |
| Avarice Limited | Financial services | 2013 |
| Avarni Enterprise Ltd | Hospitality | 2025 |
| Avaryan Developments Ltd | Real estate | 2024 |
| Avatar Media Limited | Arts & recreation | 2006 |
| AVB Commercials Limited | Wholesale & retail | 2008 |
| AVB Properties (Bristol) Ltd | Real estate | 2023 |
| AVC 35 Limited | Extraterritorial | 2010 |
| Avdon Bristol Limited | Manufacturing | 1994 |
| Aveado Limited | Health & social care | 2018 |
| Avec Design Bristol Ltd | Professional & scientific | 2026 |
| Avec Design Limited | Construction | 2016 |
| Avec Property Development Ltd | Real estate | 2022 |
| Avela Digital Limited | Professional & scientific | 2023 |
| Avening Mill Limited | Real estate | 2014 |
| Avenral Ventures Ltd | Wholesale & retail | 2025 |
| Avent Property Limited | Real estate | 2019 |
| Aventis Developments Limited | Construction | 2024 |
| Aventis Flow Ltd | Administrative & support | 2026 |
| Aventure Airways Ltd | Extraterritorial | 2022 |
| Aventure Holding Ltd | Extraterritorial | 2023 |
| Aventure International Ltd | Extraterritorial | 2019 |
| Aventure Properties Ltd | Extraterritorial | 2021 |
| Aventure Property Ltd | Extraterritorial | 2020 |
| Aventus Supplies Ltd | Wholesale & retail | 2018 |
| Aventuslibertas Ltd | Transport & logistics | 2025 |
| Avenue Accounting and Advisory Ltd | Professional & scientific | 2018 |
| Avenue Building Surveyors Ltd | Professional & scientific | 2022 |
| Avenue Court (ST Georges) Management Company Limited | Households | 2003 |
| Avenue Veterinary Centre Limited | Professional & scientific | 2008 |
| Aveo Pharma Limited | Professional & scientific | 2007 |
| Averis Consulting Limited | Professional & scientific | 2024 |
| Avert Fire and Security Limited | Construction | 2023 |
| Avery A/C Ltd | Construction | 2023 |
| Avery Air-Conditioning Ltd | Administrative & support | 2015 |
| Avery Content Ltd | Professional & scientific | 2018 |
| Avery Dell Limited | Real estate | 2021 |
| Avery Industrial Services Limited | | 1985 |
| Avery.Earth Ltd | Professional & scientific | 2023 |
| Averys of Bristol Limited | Wholesale & retail | 1942 |
| Avga 21 Ltd | Administrative & support | 2021 |
| Avgee Investment Group Limited | Real estate | 2019 |
| Avgee Limited | Information & communication | 2007 |
| AVH Services Ltd | Administrative & support | 2026 |
| Avia HR Consultancy Ltd | Professional & scientific | 2016 |
| Avia Intelligence Ltd | Transport & logistics | 2013 |
| Aviato Ltd | Information & communication | 2022 |
| Aviator Speed Shop Ltd | Manufacturing | 2021 |
| Avid Flooring Ltd | Construction | 2021 |
| Avida Properties Limited | Real estate | 2011 |
| Avidlow Limited | Professional & scientific | 2008 |
| Avion Flight Training Centre UK Ltd | Transport & logistics | 2019 |
| Aviso Commercial Limited | Professional & scientific | 2015 |
| Avita Planning Ltd | Professional & scientific | 2013 |
| Avium Marketing Ltd | Professional & scientific | 2024 |
| Aviz UK Limited | Wholesale & retail | 2025 |
| Avkb Limited | Arts & recreation | 2013 |
| AVL Commodities Ltd | Professional & scientific | 2015 |
| AVL Events Ltd | Other services | 2021 |
| Avlads Limited | Manufacturing | 2025 |
| Avlegal Consultants Limited | Professional & scientific | 2025 |
| AVM Developments Ltd | Construction | 2018 |
| AVM Painter-Sculpture-Arborist Ltd | Construction | 2021 |
| Avmgtech Limited | Professional & scientific | 2015 |
| AVO Activewear Ltd | Wholesale & retail | 2018 |
| Avocado Property Solutions Limited | Construction | 2019 |
| Avocet Group Limited | Extraterritorial | 2017 |
| Avomed International Ltd | Professional & scientific | 2018 |
| Avomed Limited | Professional & scientific | 2016 |
| Avon & Somerset Builders Limited | Construction | 2015 |
| Avon Access Ltd | Construction | 2000 |
| Avon Accounting Services Ltd | Professional & scientific | 2016 |
| Avon Adhesive Products Limited | Manufacturing | 1992 |
| Avon Aesthetics Ltd | Health & social care | 2010 |
| Avon Alarms Limited | Administrative & support | 1981 |
| Avon Ampersand Music Studios Ltd | Information & communication | 2026 |
| Avon Archaeological Unit Limited | Professional & scientific | 2006 |
| Avon Archaeology Limited | Professional & scientific | 2013 |
| Avon Armour (Holdings) Limited | Financial services | 1990 |
| Avon Armour Limited | Manufacturing | 1988 |
| Avon Autistic Foundation Limited | Hospitality | 1984 |
| Avon Autobahn Limited | Wholesale & retail | 2005 |
| Avon Automatic Doors Limited | Extraterritorial | 2006 |
| Avon Barrier Corporation Limited | Manufacturing | 2014 |
| Avon Blasting Contractors Limited | | 1982 |
| Avon Book Consultancy Ltd | Professional & scientific | 2004 |
| Avon Building Solutions Ltd | Construction | 2025 |
| Avon Business Centres Limited | Real estate | 2005 |
| Avon Car Services Ltd | Wholesale & retail | 2020 |
| Avon Car Servicing Limited | Wholesale & retail | 2007 |
| Avon Catering Services Limited | Extraterritorial | 2009 |
| Avon Clean Care Limited | Administrative & support | 2009 |
| Avon Cobblestone Company Limited | Manufacturing | 1990 |
| Avon Combined Electrical Services Limited | Construction | 1997 |
| Avon Combined Engineering Services Limited | Extraterritorial | 2000 |
| Avon Commercial Contractors Ltd | Construction | 2018 |
| Avon Commercial Recovery Limited | Wholesale & retail | 2014 |
| Avon Community Support Services Ltd | Health & social care | 2026 |
| Avon Community Therapists Ltd | Health & social care | 2022 |