| A to Z Stop and Shop Ltd | Luton | 2025 |
| A to Z Superstore Ltd | Sandhurst | 2018 |
| A to Z Suppliers Ltd | London | 2020 |
| A to Z Teknology Limited | Edinburgh | 2019 |
| A to Z Tools Mart Ltd | Cambridge | 2019 |
| A to Z Transmission Services Ltd | Glasgow | 2023 |
| A to Z UK Store Ltd | Northwich | 2026 |
| A to Z Warehouse Oxford Ltd | Ipswich | 2024 |
| A to ZED Enterprise Ltd | Birmingham | 2016 |
| A to ZEE Solutions Ltd | Oldham | 2022 |
| A to Zeee Ltd | Manchester | 2025 |
| A Toast to Toasties Ltd | London | 2026 |
| A Toko.Shop Ltd | Bristol | 2023 |
| A Tompsett & SON Ltd | Eastbourne | 2006 |
| A Touch Moore Ltd | Heathfield | 2023 |
| A Touch of Caviar Ltd | Chessington | 2016 |
| A Touch of Class (South East) Ltd | Ashford | 2003 |
| A Touch of Class Events (UK) Ltd | London | 2018 |
| A Touch of Class Interiors Limited | Bishop'S Stortford | 1990 |
| A Touch of Elegance Boutique Ltd | Croydon | 2025 |
| A Touch of Enchantment Limited | Isle Of Arran | 2020 |
| A Touch of Faith Ltd | West Bromwich | 2025 |
| A Touch of Glass (Scarborough) Limited | Scarborough | 2009 |
| A Touch of Glass Custom Shower Solutions Limited | Redditch | 2015 |
| A Touch of Gold Limited | Co Londonderry | 1985 |
| A Touch of Home Furniture Ltd | Saltcoats | 2021 |
| A Touch of Kent Florals Ltd | Maidstone | 2023 |
| A Touch of Kent Ltd | Maidstone | 2022 |
| A Touch of Simplicity Ltd | Basildon | 2022 |
| A Touch of Something Ltd | Waltham Cross | 2025 |
| A Touch of Spanish Cleaning Limited | Queenborough | 2026 |
| A Touch of Spring Limited | Glasgow | 2014 |
| A Toy a Day Ltd | London | 2024 |
| A Trade Group Ltd | Milton Keynes | 2019 |
| A Trade Ltd | Ilford | 2021 |
| A Traders Limited | Bradford | 2025 |
| A Trading Limited | West Bromwich | 2025 |
| A Trail to Remember Ltd | London | 2025 |
| A Tribe of Stars Ltd | Chislehurst | 2021 |
| A Tribute to Fashion Ltd | London | 2022 |
| A Trip Outside Ltd | Exeter | 2025 |
| A Truth Company Ltd | Manchester | 2019 |
| A Turner & Sons Limited | Hants | 2007 |
| A Turner and Sons Sausage Limited | Aldershot | 2009 |
| A Twenty Four Ltd | Watford | 2026 |
| A Twist in the Tale CIC | Driffield | 2024 |
| A Twist of Date Ltd | London | 2021 |
| A Tyery Fresh Produce Ltd | Liverpool | 2017 |
| A U Autos Ltd | London | 2024 |
| A U Brothers Limited | Cardiff | 2016 |
| A U N Retailer Ltd | Walsall | 2026 |
| A U Nila Limited | Mansfield | 2016 |
| A U Prime Ltd | London | 2025 |
| A U Zain Limited | Hayes | 2006 |
| A Uniform 4U Ltd | Manchester | 2018 |
| A Unique TEL UK Ltd | Manchester | 2025 |
| A Useful Friend Limited | Rothley | 2019 |
| A V Bodyworks Limited | Edgware | 2009 |
| A V Footwear Limited | Great Yarmouth | 2010 |
| A V I K PVT Ltd | Glasgow | 2024 |
| A V Motors (Yorkshire) Ltd | Huddersfield | 2021 |
| A V Parts Master Limited | Wokingham | 2005 |
| A V Reseller Shop Limited | Edinburgh | 2025 |
| A V Sales Limited | Warlingham | 2014 |
| A V Seals & Hydraulics Limited | Bridgnorth | 2005 |
| A V Smart Convenience Ltd | London | 2025 |
| A V Stone UK Limited | Romford | 2013 |
| A V Windscreens Limited | Romford | 2020 |
| A Vapers Lyfe Ltd | Wellingborough | 2021 |
| A Vast Choice Ltd | Ferndale | 2022 |
| A Venus Kitchenx Limited | London | 2026 |
| A Verai Ltd | Dagenham | 2026 |
| A Verey Bookish Company Ltd | Penrith | 2021 |
| A Vine Flowers & Greens Ltd | Canterbury | 2022 |
| A Vintage Garden Limited | Alresford | 2009 |
| A Vishwakarma Ltd | London | 2025 |
| A Vision in Progress Ltd | Enfield | 2021 |
| A Voice for the Animal Kingdom Limited | Swindon | 2024 |
| A W Anderson Ltd. | Aberdeen | 2002 |
| A W Blake Ltd | Carlisle | 1994 |
| A W C Bolton Ltd | Bolton | 2025 |
| A W Caravan Sales Limited | St Asaph | 2026 |
| A W Electrical Supplies Limited | Enfield | 2008 |
| A W Electronics Ltd | Oxon | 2003 |
| A W Garland Limited | Farnham | 1991 |
| A W L Digital Limited | Llanelli | 2010 |
| A W M F Ltd | Bradford | 2014 |
| A W Matthews Limited | Kent | 1945 |
| A W Mobbs & Co Limited | Oxford | 2009 |
| A W Mobile Engineer Ltd | Sporle | 2022 |
| A W Rule & SON GUN Makers Ltd | Somerton | 2003 |
| A W Smart Repairs Limited | Ipswich | 2009 |
| A W Taylor Ltd | Haverfordwest | 2019 |
| A W Truck Exports Ltd | Scunthorpe | 2013 |
| A W UK Meats Limited | Luton | 2023 |
| A W Z Trading Ltd | Walsall | 2025 |
| A Walk in the Park Ltd. | Glasgow | 2010 |
| A Walker & SON (Motor Mechanics) Ltd | Keighley | 2006 |
| A Walker Upvc Limited | Witney | 2001 |
| A Wallsgrove & SON Limited | Southam | 2002 |