| Atwal Maidstone Investments Limited | Gravesend | 2017 |
| Atwal MN Limited | Sheerness | 2020 |
| Atwal Northern Investments Limited | Gravesend | 2013 |
| Atwal Rainham Investments Limited | Gravesend | 2014 |
| Atwell Farm Park Ltd | Bodmin | 2023 |
| Atyab Shawarma Ltd | Greenock | 2025 |
| Atzmag Trading Ltd | London | 2022 |
| AU 25 Ltd | Birmingham | 2026 |
| AU Bord DE LA MER Torquay Limited | Torquay | 2014 |
| AU Ciel Ltd | London | 2014 |
| AU Express Ltd | Newbiggin-By-The-Sea | 2024 |
| AU Foods Ltd | Stoke-On-Trent | 2025 |
| AU Halal Poultry Ltd | Sheffield | 2019 |
| AU Lusso Hospitality Ltd | London | 2025 |
| AU Stays Ltd | London | 2024 |
| AU Village Ltd | Sheffield | 2026 |
| Au&Hr Limited | Bradford | 2026 |
| AU6 Limited | Birmingham | 2023 |
| AU84 Fast Food Limited | Finchley | 2019 |
| AUA Premier Properties Ltd | Hayes | 2024 |
| Auberge Bar & Restaurant Limited | Abergavenny | 2012 |
| Auberge Brasserie Limited | Southport | 2020 |
| Auberge DU LAC Limited | Welwyn Garden City | 2022 |
| Auberge Inns Ltd | Witney | 2019 |
| Auberge Limited | Bedford | 2020 |
| Auberge Orford Ltd | London | 2025 |
| Aubergine (London) Limited | London | 2018 |
| Aubergine Cafe and Events C.I.C. | Cardiff | 2018 |
| Aubergine PUB Co Ltd | Wantage | 2025 |
| Aubergine the Caterers Ltd | Canterbury | 2025 |
| Aubrey Strawberry Ltd | Edinburgh | 2015 |
| Aubrey&Co Ltd | Sowerby Bridge | 2026 |
| Auburn Priory Investments Limited | Milford Haven | 2022 |
| Auchen Ltd | Bradford On Avon | 2019 |
| Auchenbowie Estates (Holdings) Limited | Stirling | 2022 |
| Auchengeich Miners Welfare Society and Social Club Limited | Glasgow | 2001 |
| Auchengruith Estates Ltd | Sanquhar | 2024 |
| Auchenheglish Lodges Retreat Ltd | Glasgow | 2026 |
| Auchentorlie Enterprises Limited | Glasgow | 2021 |
| Auchincruive F&B Limited | Ayr | 2025 |
| Auchingarrich Camping Ltd | Crieff | 2025 |
| Auchlunkart Hospitality Management UK Limited | Solihull | 2024 |
| Aucho Leisure Limited | Leicester | 2024 |
| Aucho Leisure Louth Limited | Leicester | 2025 |
| Auchrannie Holdings Limited | Isle Of Arran, | 1995 |
| Auchrannie House Hotel Limited | Isle Of Arran | 2025 |
| Auchrannie Leisure (Services) Limited | Isle Of Arran | 1990 |
| Auchrannie Leisure Limited | Brodick | 1986 |
| Auchtertool Trading Company Ltd | Lochgelly | 2018 |
| Auckland Alehouses Ltd | Bishop Auckland | 2026 |
| Auckland Brewer Limited | Bishop Auckland | 2021 |
| Auckland Group Ltd | Rochdale | 2026 |
| Auckland Home Solutions CIC | Durham | 2010 |
| Auckland Hotel Trading Limited | London | 2022 |
| Auckland Panda Limited | Bishop Auckland | 2021 |
| Auckland Retail Ltd | Darlington | 2024 |
| Auction Eats Ltd | Preston | 2017 |
| Auction House at Harbour Taverns Ltd | Bristol | 2025 |
| Auction House Kent Limited | Leigh-On-Sea | 2019 |
| Auction Room Limited | Bedford | 2012 |
| Auction Rooms Tyrone Ltd | Dungannon | 2018 |
| Auctioneers Kitchen Ltd | Shoreham-By-Sea | 2023 |
| Audaci Limited | London | 2024 |
| Audacious Pizza Limited | Wallington | 2023 |
| Audacity Leisure Ltd | Nottingham | 2010 |
| Audde Global Resources Limited | Birmingham | 2025 |
| Auddin Trading Ltd | Sheffield | 2022 |
| Audenshaw Masonic Hall Limited | Audenshaw | 1967 |
| Audentes Leisure Ltd | Richmond | 2019 |
| Audiburn Stables Limited | Bath | 2025 |
| Audio - TEK Events Ltd | Bromsgrove | 2022 |
| Audio Archtct Experience Ltd | Harrogate | 2022 |
| Audio-Tek Shropshire Limited | Newport | 2025 |
| Audley Catering Consultants Limited | London | 2017 |
| Audley Chippy Ltd | Blackburn | 2021 |
| Audley Firs Management Company Limited | Walton-On-Thames | 1983 |
| Audleys Wood Hotel Limited | Sevenoaks | 2007 |
| Audrey & Stig Enterprises Ltd | Nuneaton | 2013 |
| Audrey Care and Housing Ltd | Oxford | 2024 |
| Audrey Young Ltd | Stone | 2025 |
| Audrey's Coffees Limited | Lanark | 2004 |
| Audrey's Tea Rooms Ltd | Winchester | 2023 |
| Audreys Fish & Chips Ltd | Mirfield | 2012 |
| Audtem Care Ltd | Dudley | 2023 |
| AUE Catering Ltd | Glasgow | 2019 |
| Aufiru Ltd | Bangor | 2025 |
| Aufregend Bar Group Limited | Derby | 2025 |
| Auggem Limited | Luton | 2026 |
| Aughton Hospitality Limited | Sheffield | 2020 |
| Aughton Street Leisure Ltd | Ormskirk | 2025 |
| Aughton Street Wholesalers Ltd | Ormskirk | 2024 |
| August Blue Cooking Ltd | London | 2025 |
| August Events Ltd | Leatherhead | 2024 |
| August Moon Tea Ltd. | Gloucester | 2016 |
| August OFF Functional Foods Limited | London | 2024 |
| August PATC01 Limited | London | 2022 |
| August PC01 Limited | London | 2022 |
| August PC02 Limited | London | 2023 |
| August PC03 Limited | London | 2024 |
| August PC04 Limited | London | 2026 |