| Aveiro Inter LP | | 2012 |
| Avek Investments LP | | 2016 |
| Aveli Group LP | | 2018 |
| Avellierie Limited | Hospitality | 2017 |
| Aven Investments LP | | 2016 |
| Aven Mortgages Limited | Financial services | 2024 |
| Avenel Advisory Limited | Financial services | 2026 |
| Avenel Consulting Ltd | Professional & scientific | 2015 |
| Avenger Productions Limited | Information & communication | 2018 |
| Avengo Partners LP | | 2012 |
| Aveni Ltd | Information & communication | 2018 |
| Avenilla Commercial LP | | 2013 |
| Avenni Ltd | Wholesale & retail | 2025 |
| Avenstone Limited | Professional & scientific | 2024 |
| Aventa Recreational Infrastructure LP | | 2013 |
| Aventex Kerran LP | | 2012 |
| Aventi Enterprise Ltd | Wholesale & retail | 2018 |
| Aventine Enterprises Corp LP | | 2021 |
| Aventus Trade LP | | 2015 |
| Avenue 72 Limited | Hospitality | 2021 |
| Avenue Advisory LP | | 2014 |
| Avenue Asset Limited | Professional & scientific | 2011 |
| Avenue Asset Partners L.P. | | 2011 |
| Avenue Nails Limited | Other services | 2019 |
| Avenue North Holdings Limited | Real estate | 2016 |
| Avenue North Limited | Construction | 2010 |
| Avenue Road Estate Agents Limited | Real estate | 2022 |
| Avenyx Group Ltd | Construction | 2026 |
| Aver Corporate Advisory Services Ltd. | Professional & scientific | 2009 |
| Aver Trade Industry LP | | 2016 |
| Averchem LP | | 2017 |
| Averon Data Services LP | | 2015 |
| Averon ORD Family Investments | Other services | 2025 |
| Avery Homestore Ltd | Wholesale & retail | 2011 |
| Avery Restaurant Limited | Hospitality | 2023 |
| Avesta Bistro Ltd | Hospitality | 2025 |
| Avets Trademarks Experts, LP | | 2015 |
| Aveyard Consulting Limited | Health & social care | 2015 |
| AVF Company L.P. | | 2010 |
| AVF Tide Founder L.P. | | 2019 |
| Avgusta Holding LP | | 2017 |
| Avia Grade Ltd | Manufacturing | 2023 |
| Avia Service and Travel LP | | 2013 |
| Aviabiz LP | | 2015 |
| Aviagen Pension Trustees Limited | Financial services | 2003 |
| Avialine Group LP | | 2020 |
| Avian Flight LP | | 2017 |
| Aviart LP | | 2015 |
| Avias Commerce LP | | 2017 |
| Aviato Holdings Limited | Other services | 2023 |
| Avicenatech UK Limited | Manufacturing | 2020 |
| Avid Futures Ltd | Real estate | 2018 |
| Avida Ventures Limited | Professional & scientific | 2025 |
| Aviemon Trading LP | | 2016 |
| Aviemore Commercial LP | | 2013 |
| Aviemore Experience Ltd | Wholesale & retail | 2021 |
| Avighna IT Consultancy Limited | Information & communication | 2024 |
| Avighna Services Limited | Real estate | 2023 |
| Avila & Segovia LP | | 2012 |
| Avilex Trade LP | | 2018 |
| Avington Holdings Limited | Other services | 2023 |
| Avipero Limited | Administrative & support | 2009 |
| Aviran LP | | 2013 |
| Avis Trading L.P. | | 2013 |
| Avita LP | | 2012 |
| Avizandum Publishing Limited | Information & communication | 2002 |
| AVK House LP | | 2014 |
| AVL Productions Ltd | Administrative & support | 2017 |
| AVL Trading LP | | 2016 |
| Avlar Bioventures Scottish Limited Partnership | | 2001 |
| AVM Group LP | | 2017 |
| Avmoric Limited | Financial services | 2021 |
| AVO Renovations Ltd | Administrative & support | 2016 |
| Avoca Joinery Ltd. | Construction | 2012 |
| Avoch Commercial LP | | 2017 |
| Avoch Trade LP | | 2018 |
| Avoltiq UK Limited | Wholesale & retail | 2025 |
| Avoma Consulting LP | | 2016 |
| Avon Park Apartments Ltd | Construction | 2019 |
| Avon Sing Limited | Real estate | 2021 |
| Avoncourt Associates | | 2000 |
| Avondster Enterprises LP | | 2019 |
| Avonlea Limited | Transport & logistics | 2002 |
| Avonpeak Developments Ltd | Construction | 2024 |
| Avonpeak Lauriston Limited | Construction | 2025 |
| Avonpeak Offices in Leith Limited | Real estate | 2013 |
| Avonside Accounts Ltd | Professional & scientific | 2020 |
| Avontown Limited | Transport & logistics | 2002 |
| Avonview Capital Ltd | Financial services | 2025 |
| Avoor Ltd | Wholesale & retail | 2023 |
| Avril's Croft Ltd | Agriculture & fishing | 2026 |
| Avrio Limited | Wholesale & retail | 2002 |
| Avrix Alliance LP | | 2017 |
| Avrom Group LP | | 2018 |
| Avrora Trade LP | | 2019 |
| Avrox Asset Ltd | Professional & scientific | 2022 |
| Avrox Investment Solutions Ltd | Real estate | 2017 |
| AVW Autocentre Ltd | Manufacturing | 2009 |
| Avyaya Limited | Hospitality | 2026 |
| AW Estates Limited | Extraterritorial | 2003 |