| Avon BP Retail Ltd | Wholesale & retail | 2025 |
| Avon Builds Limited | Construction | 2019 |
| Avon Cleaning and Maintenance Ltd | Administrative & support | 2023 |
| Avon Cottages Ltd | Real estate | 2022 |
| Avon Group Ltd | Real estate | 2024 |
| Avon Home 2010 Limited | Health & social care | 2010 |
| Avon Homes London Limited | Construction | 2024 |
| Avon International Limited | Financial services | 2025 |
| Avon Landscaping Ltd | Administrative & support | 2013 |
| Avon Opportunities Ltd | Wholesale & retail | 2023 |
| Avon Spice Stratford Limited | Hospitality | 2018 |
| Avon Turkuaz Ltd | Wholesale & retail | 2020 |
| Avoncroft Properties LLP | | 2020 |
| Avondale Court Management Company Limited | Households | 1989 |
| Avondale Distribution Limited | Wholesale & retail | 2018 |
| Avondale Housing Ltd | Real estate | 2020 |
| Avonfield Antiques Limited | Wholesale & retail | 2021 |
| Avonitum Ltd | Wholesale & retail | 2022 |
| Avonmore Pension Plan Trustee Limited | Administrative & support | 2022 |
| Avonside Construction Management Limited | Construction | 2015 |
| Avonstar Trading Company Limited | Manufacturing | 1983 |
| Avonview Property Management Limited | Households | 2007 |
| Avora Travel Limited | Administrative & support | 2018 |
| Avoxanthera Ltd | Transport & logistics | 2022 |
| AVP DC Ltd | Health & social care | 2023 |
| AVP Distribution Ltd | Wholesale & retail | 2025 |
| Avram Investments Limited | Real estate | 2017 |
| Avran Limited | Information & communication | 2011 |
| Avranax Ltd | Transport & logistics | 2022 |
| Avron Investments Limited | Financial services | 2024 |
| AVS Investments Ltd | Real estate | 2021 |
| AVS Mukherjee Ltd | Health & social care | 2021 |
| AVS Rental Properties Ltd | Real estate | 2024 |
| AVS Trans Ltd | Transport & logistics | 2021 |
| Avsamy Limited | Health & social care | 2007 |
| Avtaaj Ltd | Transport & logistics | 2025 |
| Avtar Builders Ltd | Construction | 2015 |
| Avtar Global Solutions Ltd | Wholesale & retail | 2025 |
| Avua UK Limited | Information & communication | 2025 |
| AVV Traders Limited | Wholesale & retail | 2023 |
| Avvsj Engineers Ltd | Construction | 2020 |
| Avvsj Ltd | Real estate | 2024 |
| AVZ Detailing Ltd | Administrative & support | 2025 |
| AW Analytics Ltd | Information & communication | 2023 |
| AW Autokey Specialists Ltd | Administrative & support | 2014 |
| AW Louvers & Ventilation Limited | Construction | 2014 |
| AW Social Club Limited | Hospitality | 2026 |
| AW365 Ltd | Wholesale & retail | 2022 |
| AW8 Executive Ltd | Transport & logistics | 2019 |
| AWA Digital Limited | Information & communication | 2024 |
| AWA Express Delivery Ltd | Transport & logistics | 2025 |
| AWA Marketing Ltd | Administrative & support | 2023 |
| AWA Medi Limited | Extraterritorial | 2022 |
| AWA Restaurant Ltd | Hospitality | 2025 |
| Awaa Properties Limited | Real estate | 2023 |
| Awaan Investments Ltd | Administrative & support | 2017 |
| Awaan Ltd | Wholesale & retail | 2021 |
| Awaan Trading Ltd | Real estate | 2018 |
| Awab K9 Security Services Ltd | Administrative & support | 2025 |
| Awais AJ Moters Ltd | Wholesale & retail | 2025 |
| Awais Car Sales Limited | Wholesale & retail | 2023 |
| Awais Engineering Limited | Professional & scientific | 2023 |
| Awais Properties (Bham) Ltd | Real estate | 2026 |
| Awakala Car Sales Ltd | Other services | 2023 |
| Awake Paradise Ltd | Real estate | 2024 |
| Awaken Church | Administrative & support | 2016 |
| Awakening Project Ltd | Administrative & support | 2019 |
| Awal Property Ltd | Real estate | 2021 |
| Awale Pro MAX Ltd | Professional & scientific | 2021 |
| Awamie Limited | Health & social care | 2022 |
| Awan Cargo Services Ltd | Transport & logistics | 2025 |
| Awan Commercial Mortgages & Property Services Limited | Financial services | 2014 |
| Awan Courier & Removals Ltd | Transport & logistics | 2025 |
| Awan General Trading Ltd | Wholesale & retail | 2025 |
| Awan Healthcare Limited | Health & social care | 2018 |
| Awan Investments Holdings Ltd | Financial services | 2025 |
| Awan Marketing International Limited | Wholesale & retail | 1987 |
| Awan Marketing PLC | Extraterritorial | 2013 |
| Awan Property Investments Limited | Real estate | 2005 |
| Awan Real Estate Limited | Wholesale & retail | 2005 |
| Awan Travels Ltd | Administrative & support | 2020 |
| Awan Worldwide Ltd | Hospitality | 2025 |
| Awar Logistics Ltd | Transport & logistics | 2022 |
| Award Developments Limited | Real estate | 2002 |
| Award Productions Limited | Wholesale & retail | 1986 |
| Awarding Body for the Built Environment Limited | Education | 2005 |
| Awards Academy Ltd | Administrative & support | 2025 |
| Aware Environmental Solutions Ltd | Other services | 2013 |
| Awayday Radio Ltd | Information & communication | 2020 |
| Awaz Rang Entertainment Ltd | Arts & recreation | 2025 |
| AWB Administration Limited | Administrative & support | 2016 |
| AWB Investments Ltd | Financial services | 2020 |
| AWB Property Group Limited | Real estate | 2026 |
| AWC Industries Limited | Professional & scientific | 2003 |
| AWD Recovery Transportation Limited | Wholesale & retail | 2025 |
| AWE Empire Limited | Wholesale & retail | 2022 |
| Aweelonline Limited | Wholesale & retail | 2022 |
| Aweiku Concepts Ltd. | Administrative & support | 2014 |
| Awekind Ltd | Health & social care | 2024 |
| Awerco Group UK Ltd | Wholesale & retail | 2022 |