| Audemin Investments Limited | Shropshire | 2020 |
| Audemus Limited | London | 2023 |
| Auden Holdings Limited | Evesham | 2024 |
| Auden Mckenzie Holdings Limited | Castleford | 2012 |
| Audenshaw School Academy Trust | Manchester | 2010 |
| Audentis Partners Limited | London | 2009 |
| Audeo AF Limited | Norwich | 2023 |
| Audeo AQ Limited | Waltham Cross | 2015 |
| Audeo AV Limited | Basingstoke | 2025 |
| Audeo Capital Limited | Bristol | 2019 |
| Audeo FS Limited | Norwich | 2018 |
| Audeo Group Ltd | London | 2026 |
| Audeo Holdings Limited | Norwich | 2020 |
| Audere Aurora Holdings Ltd | London | 2024 |
| Audere Holdings Ltd | Cheltenham | 2023 |
| Audere International Limited | London | 2014 |
| Audere Securus International Ltd | London | 2022 |
| Audere Solutions Ltd. | Mayfair | 2014 |
| Audetect Limited | Bracknell | 2018 |
| Audie Homer Holdings Limited | Walsall | 2024 |
| Audimo Investments Ltd | London | 2022 |
| Audio Network Holding UK Limited | London | 2021 |
| Audio UK 2 Limited | Chessington | 2017 |
| Audio UK 3 Limited | Chessington | 2017 |
| Audio Visual Creative Group Limited | London | 2017 |
| Audio Visual Creative Solutions Limited | London | 2026 |
| Audiotonix Group Limited | Chessington | 2017 |
| Audiotonix Holdings Limited | Chessington | 2019 |
| Audiotonix Limited | Chessington | 2024 |
| Audipudi Holdings Limited | London | 2025 |
| Audit Intelligence (UK) Limited | London | 2017 |
| Audit Newco Limited | Norwich | 2025 |
| Auditco 4 Ltd | Hambrook | 2026 |
| Audley Capital Endowment Ltd. | London | 2025 |
| Audley Construction Group Limited | Harrow | 2020 |
| Audley Financial Services Limited | Surrey | 2016 |
| Audley Group Limited | Egham | 2015 |
| Audley House Ltd | Liverpool | 2023 |
| Audley Nightingale Lane Holdings Limited | London | 2017 |
| Audley Square Holdings Limited | Harrow | 2018 |
| Audoria Capital Ltd | London | 2024 |
| Audous Group Ltd | Haywards Heath | 2023 |
| Audtax Wealth Management Limited | London | 2023 |
| Auera Holdings Ltd | Luton | 2025 |
| AUF Properties Limited | Warrington | 2012 |
| Aufin Limited | Glasgow | 2022 |
| AUG Capital Ltd | Essex | 2024 |
| AUG Services Limited | London | 2020 |
| Augbray Ltd | Ascot | 2025 |
| Augemus Holdings Limited | Nuneaton | 2020 |
| Augend Capital Ltd | Maple View | 2021 |
| Augens Limited | Warrington | 2023 |
| Augentic Group Ltd | London | 2025 |
| Augentic UW Ltd | London | 2025 |
| Augeo Associates Ltd | Malton | 2026 |
| Augeo Capital Limited | London | 2014 |
| Augeo Investments Ltd | London | 2021 |
| Augeoli Ltd | Bishops Stortford | 2023 |
| Auger Holdings Ltd | Cannock | 2022 |
| Augerman Holdings Ltd | Ipswich | 2024 |
| Auggem Investments Limited | Luton | 2026 |
| Aughafad Holdings Ltd | Clogher | 2024 |
| Aughalargue Investment Company Ltd | Craigavon | 2022 |
| Aughnahinch Group Ltd | Newtownbutler | 2025 |
| Aughnamoira Holdings Limited | Upper Dromore Road | 2006 |
| Aughnaneria Holdings Ltd | Carrickmore | 2024 |
| Aughton Combined Ltd | York | 2021 |
| Augment Agency Ltd | Milton Keynes | 2019 |
| Augment Corporate Finance Limited | Bishop'S Stortford | 2022 |
| Augment Risk Services UK Limited | London | 2022 |
| Augment Risk UK Trading Limited | London | 2022 |
| Augmentas Group Holdings Ltd | Crewe | 2021 |
| Augmented Finance Ltd | London | 2012 |
| Augmenteq Partners Limited | London | 2026 |
| Augmentory Group Limited | Wakefield | 2015 |
| Augmentum Capital (GP) Limited | London | 2009 |
| Augmentum Capital Management Limited | London | 2009 |
| Augmentum Cnot Technology Limited | Gateshead | 2019 |
| Augmentum Fintech GP Limited | London | 2018 |
| Augmentum Fintech Limited | London | 2017 |
| Augmentum Fintech Management Limited | London | 2018 |
| Augmentum Gemini Limited | London | 2021 |
| Augrion Ltd | London | 2026 |
| Augur Wealth Ltd | London | 2026 |
| Augurium Ltd | London | 2024 |
| Auguru Limited | Reigate | 2022 |
| Augury Advisors Limited | London | 2025 |
| Augury Holdings Limited | Chichester | 2020 |
| August 15 Limited | Sidcup | 2017 |
| August Equity Management Limited | London | 2001 |
| August Equity Partners IV GP Limited | London | 2016 |
| August Equity Partners V GP Limited | London | 2019 |
| August Equity Partners VI GP Limited | London | 2022 |
| August Exchange Limited | London | 2024 |
| August Group Limited | London | 2024 |
| August Holdco Limited | London | 2024 |
| August Holdings Limited | London | 2021 |
| August Rose Investments Limited | Keele | 2022 |
| August Third Holdings Limited | Newbury | 2023 |
| August Three Investment Ltd | Chepstow | 2015 |