| Authentic Labanese Street Food Ltd | London | 2026 |
| Authentic Lanzhou Ramen (Q) UK Limited | London | 2024 |
| Authentic Lebanese Falafel Ltd | London | 2022 |
| Authentic Mario Pizza Ltd | Keston | 2018 |
| Authentic MED Kitchen Ltd | Barnet | 2025 |
| Authentic Mexican Ltd | Borehamwood | 2021 |
| Authentic Neapolitan Ltd | Cambridge | 2026 |
| Authentic Nourishment Ltd | St. Leonards-On-Sea | 2025 |
| Authentic Oriental Spice Ltd | London | 2013 |
| Authentic Pizzeria Ltd | Sheffield | 2025 |
| Authentic PUB & Kitchens Ltd | Wetherby | 2022 |
| Authentic Pubs Limited | Usk | 2012 |
| Authentic Smoke Ltd | Waterlooville | 2025 |
| Authentic Spice Grays Limited | Cardiff | 2026 |
| Authentic Spice Ltd | Newmilns | 2019 |
| Authentic Spices NW Limited | London | 2016 |
| Authentic Spicy Cuisine Ltd | Newport | 2023 |
| Authentic Taste of Africa Limited Limited | Glasgow | 2023 |
| Authentic Thai Cuisine Limited | Llanferres | 2011 |
| Authentic Thai Food Ltd | Plymouth | 2016 |
| Authentic Thai Spice Ltd | Stourbridge | 2025 |
| Authentic Union Limited | London | 2023 |
| Authentic Vietnamese Kitchen Ltd | Aberdeen | 2024 |
| Authentic Villa Holidays Ltd | London | 2002 |
| Authentic-Ate Ltd | Billingshurst | 2025 |
| Authentically Wood Fired Limited | Keighley | 2012 |
| Authenticook Ltd | Bristol | 2019 |
| Authentifood Ltd | Bristol | 2021 |
| Authentique Bakery Ltd | Basildon | 2017 |
| Authentique Epicerie & Bar Ltd | London | 2017 |
| Auti NOT Naughty Ltd | St. Albans | 2019 |
| Autism Care Homes Limited | Bristol | 2005 |
| Autistic Haven CIC | Bala | 2022 |
| Auto 27 Limited | Colchester | 2022 |
| Auto Car Link Limited | London | 2025 |
| Auto Manage Ltd | London | 2021 |
| Auto Rickshaw Limited | Cambridge | 2024 |
| Auto WAX Coffee Limited | Bicester | 2018 |
| Autobar Ltd | Huntingdon | 2024 |
| Autobots International Limited | Flax Bourton | 2019 |
| Autobrew Ltd | Birmingham | 2021 |
| Autocheckmateexpert Limited | Stansted | 2022 |
| Autocoffee Ltd | Dunmow | 2023 |
| Autofusion L Assets Management Limited | London | 2025 |
| Autograf Restaurant Ltd | London | 2017 |
| Autograph Hospitality Limited | Henley In Arden | 2024 |
| Autokaaran Ltd | Wembley | 2024 |
| Autoletter Limited | Forfar | 2005 |
| Automann Resources Limited | Barking | 2024 |
| Automat Limited | London | 2024 |
| Automat London Ltd | London | 2025 |
| Automate-Tech Ltd | Portsmouth | 2022 |
| Automated Accommodation Ltd | Newcastle Upon Tyne | 2021 |
| Automated Retail Technologies UK Limited | Lewes | 2020 |
| Automatic Merchandising (Wales) Limited | Port Talbot | 1979 |
| Automatic Refreshments (Midlands) Ltd | Hinckley | 2007 |
| Automatic Refreshments (South) Ltd | Hinckley | 2007 |
| Automatic Refreshments Limited | Hinckley | 2010 |
| Automatic Vending Association | Wetherby | 1994 |
| Automatic Vending Machines Limited | Sheffield | 2011 |
| Autrecho Limited | London | 2023 |
| Autumn Brooke Developments Ltd | Glasgow | 2025 |
| Autumn Endeavours Ltd | Peterborough | 2020 |
| Autumn Events Ltd | Woking | 2019 |
| Autumn Harveste Limited | Manchester | 2020 |
| Autumn Leaves Consulting Limited | London | 2024 |
| Autumn Lodge Ltd | Bognor Regis | 2008 |
| Autumn Meadows Ltd | Faversham | 2024 |
| Autumn Orange Ltd | Birmingham | 2023 |
| Autumnpear Limited | Westcliff-On-Sea | 2020 |
| AUX Delices DES Iles Cafe Ltd | Sidcup | 2018 |
| Auxilium Catering Ltd | Caernarfon | 2025 |
| Auxilium Housing Association | Blackburn | 2017 |
| Auxillia Enterprises Ltd | Birmingham | 2017 |
| Auxillium Housing Group Limited | London | 2023 |
| Auxin Consultancy Ltd | London | 2020 |
| AUZ Traders Limited | Paisley | 2021 |
| AV Agency Ltd | Wembley | 2025 |
| AV Bars Limited | Shipley | 2025 |
| AV Food & Beverage Ltd | Harrow | 2025 |
| AV Food Private Ltd | Glasgow | 2025 |
| AV GE Limited | London | 2019 |
| AV Gourmet Kitchen Limited | London | 2025 |
| AV Grill Ltd | London | 2019 |
| AV Leisure Ltd | High Wycombe | 2023 |
| AV Morgans Limited | Tring | 2015 |
| AV Old Compton Street Ltd | London | 2024 |
| AV Pizza Limited | Doncaster | 2019 |
| AV Production Hire Limited | Hayes | 2018 |
| AV Property Solutions Ltd | London | 2012 |
| AV PVT Ltd. | Belfast | 2014 |
| AV Sandhu Ltd | Ayr | 2019 |
| AV Sharples Limited | Sheffield | 2026 |
| AV Supra Ltd | Harrow | 2022 |
| AV Surrey Catering Ltd | New Malden | 2025 |
| AV Tasty Land Ltd | Luton | 2025 |
| AV2 Ltd | Sutton Coldfield | 2024 |
| AV8 Europe Limited | Sandown | 2014 |
| AVA Atrium Ltd | Holyhead | 2026 |
| AVA Bangor Ltd | Newry | 2025 |