| Augscape Research & Development Limited | Goole | 2020 |
| Augscape Studios Limited | Goole | 2014 |
| Augst Consulting Ltd | London | 2019 |
| Augument IT Solutions Limited | Solihull | 2019 |
| Augur Initiative Ltd | London | 2024 |
| Augur Ltd | Shepperton | 2023 |
| Augur Solutions Ltd | Shepperton | 2024 |
| Augur Technologies Limited | London | 2021 |
| Augurity Ltd | Ruislip | 2019 |
| August Break Consulting Ltd | London | 2025 |
| August Bridge Ltd | Great Chesterford | 2021 |
| August Entertainment Limited | Bristol | 2026 |
| August Films (London) Limited | London | 2012 |
| August Jaeger Ltd | Knutsford | 2023 |
| August Lion Consulting Ltd | Maidstone | 2023 |
| August LP Entertainment Ltd | London | 2020 |
| August Media Ltd | Wellingborough | 2020 |
| August Music Limited | Rotherham | 2012 |
| August Pictures Ltd | Harrow | 2022 |
| August Post Production Limited | Brighton | 2007 |
| August Productions Limited | Colyton | 2002 |
| August Projects Limited | London | 2016 |
| August Recognition Limited | Lewes | 2015 |
| August Street Films Limited | London | 2012 |
| August Studios Ltd | London | 2025 |
| August Tech Ltd | London | 2025 |
| August Technologies Ltd | St. Albans | 2022 |
| Augusta Byron Limited | London | 2016 |
| Augusta Hitech Limited | London | 2023 |
| Augusta Productions Limited | London | 2024 |
| Augusta Steele Limited | London | 2014 |
| Augusta Tech Ltd | Manchester | 2024 |
| Augustia Limited | Harrow | 2022 |
| Augustine Goodvibes Limited | London | 2018 |
| Augustine Lawrence Ltd. | Salisbury | 2017 |
| Augustines House Ltd | Andover | 2020 |
| Augustova Ltd | Croydon | 2026 |
| Augustus Data Ltd | Surbiton | 2015 |
| Augustus Gloop Ltd | Northampton | 2021 |
| Augustus Machine Works Limited | Hitchin | 2015 |
| Augustus Zander Ltd | Stafford | 2025 |
| Augwell Technologies Ltd | Aylesbury | 2025 |
| AUH Technologies Ltd | London | 2018 |
| AUI Technologies Ltd | London | 2019 |
| Auinta Ltd | Peterborough | 2020 |
| Auishi Telecoms Ltd | London | 2014 |
| Aujla Business Systems Limited | Farnborough | 1995 |
| Aujla Records Limited | Leighton Buzzard | 2022 |
| Aujla Surveylink Ltd | London | 2025 |
| Aujlas Ltd | Walton On Thames | 2008 |
| AUK Enterprises Limited | Preston | 2017 |
| AUK Organisation Ltd | Birmingham | 2025 |
| AUK Radio Ltd | Luton | 2015 |
| AUK Studios Ltd | Luton | 2019 |
| Aukbit Limited | London | 2013 |
| Aukboo Ltd | London | 2022 |
| Auke Isle Limited | London | 2024 |
| Aukes Media Ltd | London | 2023 |
| Auko Ltd | Cheltenham | 2025 |
| AUL Gold Limited | London | 2014 |
| Aulakh IT Solutions Ltd | Coventry | 2008 |
| Auld Alliance Games Ltd | Dundee | 2022 |
| Auld Fella UK Limited | London | 2022 |
| Auld Goat Music Ltd | London | 2026 |
| Auld Reekie Media Limited | St. Andrews | 2014 |
| Auld Triangle Works Ltd | Sale | 2025 |
| Auldric Ltd | Mildenhall | 2026 |
| Aule.Io Limited | London | 2017 |
| Aulico Ltd | London | 2025 |
| Aulkom Solutions Ltd | Glasgow | 2024 |
| Aulovo Limited | Bradford | 2026 |
| Aulsett Limited | Downham Market | 2023 |
| Ault Cloud Co., Ltd | Kington | 2025 |
| Ault Services Ltd | London | 2024 |
| Aulter Ltd. | Thirsk | 2017 |
| Aulteus Logic Ltd | London | 2026 |
| Aultratech Ltd | London | 2014 |
| Aulus Health Ltd | London | 2024 |
| Aulysius Ltd | London | 2018 |
| Aulë Ltd | Newbury | 2020 |
| AUM Consultancy Services Limited | High Wycombe | 2019 |
| AUM Consulting Ltd | Milton Keynes | 2010 |
| AUM Geetha Services Limited | Twickenham | 2012 |
| AUM Integration Limited | Milton Keynes | 2018 |
| AUM IT Consultancy Limited | London | 2015 |
| AUM PVT Ltd | Warrington | 2020 |
| AUM Software Solutions Limited | High Wycombe | 2025 |
| AUM Solutions Limited | Leeds | 2010 |
| AUM Tech Ltd | Wellingborough | 2021 |
| AUM Technologies Ltd | Milton Keynes | 2013 |
| Aumani Ltd | London | 2026 |
| Aumarka Solutions Ltd | London | 2026 |
| Aumax Ltd | Whitehills Business Park | 2012 |
| Aumbit Ltd | Rugby | 2025 |
| Aumeta Records Ltd | London | 2022 |
| Aumi AI Limited | London | 2023 |
| Aumiq Ltd | Bagshot | 2025 |
| Aumtrix Ltd | Leighton Buzzard | 2026 |
| Aumx AI Ltd | London | 2026 |
| AUN Enterprises Ltd | Romford | 2025 |