| Autospray Systems Limited | Stoke-On-Trent | 2016 |
| Autostir Ltd | Milton Keynes | 2024 |
| Autostrada Capital Partners Limited | Dorking | 2017 |
| Autotech Consultant Services Limited | Hitchin | 2000 |
| Autotrackershop Ltd | Smethwick | 2025 |
| Autotrim Limited | Salford | 1996 |
| AUTOVALET2U Limited | Newbury | 2017 |
| Autovend(Uk) Ltd | Middlesex | 2023 |
| Autovested Limited | Romford | 2020 |
| Autowax Ltd | London | 2020 |
| Autralas Limited | Sheffield | 2013 |
| Autumn (UK) 2017 Ltd | Ashton Under Lyne | 2004 |
| Autumn Days (Tamworth) Ltd | Solihull | 2009 |
| Autumn Leaf (Wales) Limited | Carmarthen | 2014 |
| Autumn Leaf Funeral Directors Ltd | Carmarthen | 2020 |
| Autumn Leaf Monumental Services Ltd | Carmarthen | 2021 |
| Autumn Louise Hairdressing Ltd | Nelson | 2025 |
| Autumn Memorials Limited | Leicester | 2015 |
| Autumn Rose Hair & Beauty Ltd | Birmingham | 2021 |
| Autumn Sisters Ltd | Ruislip | 2020 |
| Autumn Willow Aesthetics Limited | Stoke-On-Trent | 2025 |
| Auvella Ltd | Leominster | 2022 |
| Auvesta UK Limited | Stoke-On-Trent | 2016 |
| Auwin Competitions Ltd | Wirral | 2023 |
| Auxilian Ltd | Wilmslow | 2018 |
| Auxiliary Group Limited | Gillingham | 2023 |
| Auxiliary Health and Wellness Limited | Blackburn | 2022 |
| Auxilium Investment Group Ltd | London | 2020 |
| Auxilliam Consultants Ltd | Bechenham | 2022 |
| Auxillium Healthcare Group Limited | Luton | 2017 |
| Auxis Group Ltd | Wolverhampton | 2026 |
| Auxtreme Ltd | London | 2020 |
| Auziomf Ltd | Sutton | 2024 |
| AV 2013 Limited | Newcastle | 2013 |
| AV Aesthetics Ltd | London | 2025 |
| AV Barbers Ltd | Inverness | 2022 |
| AV Beauty Lounge Ltd | Wembley | 2025 |
| AV Beauty Ltd | Oldbury | 2026 |
| AV Beauty Passion Ltd | Feltham | 2019 |
| AV Cleans Ltd | Peterborough | 2022 |
| AV Clinic Ltd | Oldbury | 2023 |
| AV Content Ltd | Andover | 2018 |
| AV CUT & Shave Limited | Southall | 2025 |
| AV Divine Ltd | Coventry | 2020 |
| AV Fitness Limited | Barnet | 2013 |
| AV Genius Ltd | Bedford | 2020 |
| AV Hair Design Limited | Sidcup | 2019 |
| AV Hair Ltd | Northampton | 2024 |
| AV Hair Studio Ltd | Hayes | 2026 |
| AV Hairdressers Ltd | Leicester | 2021 |
| AV Holdings Limited | London | 2015 |
| AV London(Uk) Ltd | Croydon | 2024 |
| AV Nails Ltd | Sidcup | 2023 |
| AV Outcomes Ltd | Beckenham | 2013 |
| AV Spirit CIC | Manchester | 2021 |
| AV Trading International Ltd | Huddersfield | 2019 |
| AV Watts Ltd | Newport | 2022 |
| AV4YOU Ltd | London | 2020 |
| AVA & Harrison Ltd | Liverpool | 2018 |
| AVA (Merseyside) Limited | Bolton | 2013 |
| AVA and Ella Ltd | Kilmarnock | 2023 |
| AVA Atelier Limited | London | 2025 |
| AVA Beauty & Aesthetics Ltd | Darlington | 2025 |
| AVA Bridgeway Limited | London | 2019 |
| AVA Fit Socials Ltd | Poole | 2024 |
| AVA Gold Spa Ltd | London | 2025 |
| AVA Inspirations Limited | Luton | 2010 |
| AVA Nails and Beauty Ltd | Pinner | 2025 |
| AVA Nails Spa Limited | Falmouth | 2023 |
| AVA Parking Southampton Ltd | Birmingham | 2024 |
| AVA RAE Ltd | Barry | 2019 |
| AVA Rose Hair Studio Ltd | Chorley | 2009 |
| AVA Salon Limited | Glasgow | 2020 |
| AVA Smart Fashion Limited | Barnet | 2013 |
| AVA U.K. Ltd | Huddersfield | 2025 |
| AVA Web Online Limited | London | 2024 |
| AVA World Real Estate Ltd | London | 2019 |
| Ava's CUT Ltd | Stoke-On-Trent | 2025 |
| Ava-Rose Supplies Ltd | London | 2023 |
| Ava-Tia Limited | Eastbourne | 2019 |
| Ava.Voilà Limited | Liverpool | 2024 |
| Avaan Associates Limited | Harrow | 2023 |
| Avaan Traders Limited | Harrow | 2024 |
| Avaderma Ltd | Bolton | 2021 |
| Avadh Buildcon Limited | Shrewsbury | 2016 |
| Avadhoot Karmakand Ltd | Harrow | 2024 |
| Avaia Beauty Ltd | Epsom | 2025 |
| Avaient Aesthetics Limited | Cardiff | 2022 |
| Avaishla Ltd | Ramsgate | 2020 |
| Avajó Limited | Sheffield | 2024 |
| Avalen Services Ltd | Saffron Walden | 2024 |
| Avalex Group Ltd | Leicester | 2025 |
| Avalily Ltd | Bolton | 2020 |
| Avallon Systems Ltd. | Watford | 2007 |
| Avallure Ltd | Sittingbourne | 2025 |
| Avalon (Europe) Limited | Wilmslow | 1999 |
| Avalon Beauty Clinic Ltd | Disley | 2023 |
| Avalon Camps 2017 Limited | Highbridge | 2017 |
| Avalon Cleaning Systems Limited | Leighton Buzzard | 2013 |
| Avalon Cosmetics Limited | London | 2019 |