| AAN Food Ltd | Birmingham | 2025 |
| AAN Group UK Ltd | London | 2021 |
| AAN Scot Limited | Glasgow | 2019 |
| Aanare Ltd | London | 2019 |
| Aancestr Limited | London | 2025 |
| Aandaz Ltd | Belper | 2026 |
| Aandlwhippys Ltd | Poulton-Le-Fylde | 2025 |
| Aangan Restaurant Group Ltd | Leicester | 2025 |
| Aanjaneya Limited | Stanmore | 2017 |
| Aanvibrothers Ltd | Grantham | 2026 |
| Aanya Restaurant Limited | Leeds | 2019 |
| Aaog Indian Street Food Ltd | Feltham | 2026 |
| AAP Investments Limited | Bournemouth | 2016 |
| Aap.Events Ltd | Walsall | 2025 |
| Aapa Roti Ltd | Maidenhead | 2025 |
| Aapc Lounge Services UK Limited | London | 2016 |
| Aapd Group Ltd | London | 2019 |
| Aapinz Private Limited | Newbury | 2025 |
| Aapke Meizban Ltd | Birmingham | 2020 |
| Aapli Mumbai Street Food Limited | Liverpool | 2026 |
| Aaplus Ltd | Leighton Buzzard | 2017 |
| Aapna Spice Limited | Dundee | 2012 |
| Aappens Limited | Rainham | 2023 |
| Aapreston Ltd | Runcorn | 2025 |
| Aaqa Foods Ltd | Hounslow | 2015 |
| AAR Abingdon Ltd | Barnet | 2019 |
| AAR Bradford Ltd | Cardiff | 2016 |
| AAR Catering Ltd | London | 2026 |
| AAR Foods Limited | Ardrossan | 2019 |
| AAR Hospitality Limited | Luton | 2024 |
| AAR Inns Limited | Mansfield | 2009 |
| Aaraa Retail Ltd | London | 2025 |
| Aaradhya Foods Limited | Truro | 2024 |
| Aaradiya Deepan Limited | London | 2025 |
| Aarambh Venture Limited | Harrow | 2026 |
| Aaran Food Services Limited | London | 2024 |
| Aarandale Regent Hotel Limited | Northampton | 2004 |
| Aarav Properties Limited | London | 2017 |
| Aaravi ARU Ltd | London | 2017 |
| Aardvark & Donkey Property Ltd | Brampton | 2013 |
| Aardvark & Eagle Ltd | Brampton | 2019 |
| Aardvark & ROO Limited | Brampton | 2019 |
| Aardvark Enterprises Ltd | Newcastle Upon Tyne | 2019 |
| Aardvark PRT. Co. Ltd | London | 1983 |
| Aardwolf Property UK Limited | Banchory | 2016 |
| Aardyl Ltd | Flitwick | 2022 |
| Aarhus Trading Limited | Newcastle Upon Tyne | 2022 |
| Aarian Banqueting Limited | Walsall | 2025 |
| Aarib Ltd | Manchester | 2020 |
| Aarishanaya Limited | Bradford | 2016 |
| Aarizraza Limited | Grays | 2024 |
| Aark Ventures Ltd | Gravesend | 2024 |
| Aarna Brasserie Ltd | Sutton-In-Ashfield | 2024 |
| Aarna Enterprise Limited | Watford | 2011 |
| Aarna Fresh Bites Limited | Sutton-In-Ashfield | 2026 |
| Aarna Hospitality Ltd | Cardiff | 2025 |
| Aarnna's Ltd | London | 2023 |
| Aarnnel 2 Limited | Bradford | 2018 |
| Aaroha Ltd | Manchester | 2025 |
| Aarohi & Indu Foods Ltd | Wembley | 2025 |
| Aaron & Aaron Ltd | Northampton | 2009 |
| Aaron Aviation Services Limited | London | 2025 |
| Aaron Glen Apartments Limited | | 2003 |
| Aaron Glen Guest Apartments Limited | | 2002 |
| Aaron Industries Ltd | Chesterfield | 2025 |
| Aaron Koch Ltd | London | 2017 |
| Aaron Michaels Coffee Co Ltd | Livingston | 2017 |
| Aaron Scott Entertainment and Events Ltd | Northampton | 2025 |
| Aaron Smith Catering Limited | Stroud | 2017 |
| Aaron Wheaton Limited | Norwich | 2019 |
| Aaron's Tasty Kitchen Limited | Leven | 2025 |
| Aarons Catering Ltd | Birmingham | 2026 |
| Aarons Development Ltd | London | 2025 |
| Aarons Kitchen Ltd | West Bromwich | 2018 |
| Aarons Residential Care Ltd | Coalville | 2025 |
| Aarr Managements Limited | London | 2025 |
| Aarrr Ltd | Swansea | 2022 |
| Aarthiee Mini Market Limited | Northampton | 2017 |
| Aarti Limited | Leeds | 2022 |
| Aaru's Kitchen Limited | Sheffield | 2026 |
| Aaruja and Co Ltd | New Malden | 2025 |
| Aarujan Ltd | Epsom | 2016 |
| Aarvaa Group Ltd | London | 2026 |
| Aarvion Foods Ltd | Harrow | 2025 |
| Aarya Foods Limited | Birmingham | 2015 |
| Aarya Hospitality Ltd | Watford | 2026 |
| Aarya Property Limited | Harrow | 2021 |
| Aarya's Kitchen Ltd | London | 2022 |
| Aaryan Akther Limited | Campbeltown | 2012 |
| Aaryan Chippy Ltd | Sunderland | 2025 |
| Aaryan Holdings Limited | London | 2020 |
| Aaryan Hyde Park Ltd | London | 2021 |
| Aaryan INV Croydon Properties Ltd | London | 2024 |
| Aaryan Norfolk Square Ltd | London | 2025 |
| Aaryana Investments Ltd | London | 2014 |
| Aaryas Gourmet Kitchen Limited | Chichester | 2023 |
| Aaryas Horizon Ltd | Wandsworth | 2026 |
| AAS Bristol Limited | Bristol | 2019 |
| AAS Catering Ltd | London | 2023 |
| AAS Chicken Ltd | Porthcawl | 2024 |