| A Star Laundry & Ironing Service Ltd | Atherstone | 2011 |
| A Star Liquid Limited | London | 2017 |
| A Star Medics Limited | Bradford | 2023 |
| A Star Motors Limited | Hanwell | 2019 |
| A Star Nails 2 Limited | Watford | 2020 |
| A Star Noble House Ltd | London | 2024 |
| A Star Plumbing and Heating Limited | High Wycombe | 2011 |
| A Star Russian School Ltd | London | 2019 |
| A Star Security Systems Limited | Billericay | 2016 |
| A Star Tattoo Studio Ltd | Chessington | 2025 |
| A Star Trims Barbers Ltd | Kidderminster | 2024 |
| A Star Vapes Ltd | Essex | 2017 |
| A Starr Cleaning Services Ltd | Birmingham | 2009 |
| A Stars Barber Limited | Barry | 2022 |
| A State of Mind Studio Limited | Barnsley | 2024 |
| A Staunton Groundwork and Civil Engineering Limited | Essex | 2006 |
| A Stitch in Time Ltd | Epsom | 2018 |
| A Stroke of Luck | Irby | 2019 |
| A Strong Wealth Ltd | Dronfield | 2017 |
| A Style & Glow Studio Ltd | London | 2026 |
| A Styling Story Ltd | Surrey | 1992 |
| A Sweeneys Barbers Ltd | Kent | 2024 |
| A Swift Consulting Ltd | Winchester | 2019 |
| A T & C Audio Technology & Communications Limited | London | 1991 |
| A T & C Professional Systems Limited | London | 2009 |
| A T Hair Limited | Newport | 2023 |
| A T K Services (Yorkshire) Limited | Mirfield | 2012 |
| A T L Associates Limited | Leicester | 1990 |
| A T Laundry Limited | Altrincham | 2023 |
| A T Martin Limited | Newbury | 2016 |
| A T Plumbing Limited | Swansea | 2012 |
| A T S Halal Meat Suppliers Ltd | Heckmondwike | 2026 |
| A T Taylor Ltd | Doncaster | 2020 |
| A Taste of Africa Ltd | London | 2019 |
| A Team Electrical Contractors Limited | St. Helens | 2010 |
| A Team Racking Limited | Brierley Hill | 2023 |
| A Team Talent Ltd | London | 2019 |
| A TEN Year Noose Limited | London | 1999 |
| A Thompson Limited | Skelmersdale | 2025 |
| A Thousand Monkeys Ltd | Chandler'S Ford | 2005 |
| A Tidy Mind London Limited | Brentwood | 2019 |
| A to B Car & Van Services Limited | Crieff | 2010 |
| A to Z Barber Ltd | London | 2018 |
| A to Z DRY Cleaner & Launderette Ltd | London | 2023 |
| A to Z Electronics Ltd | Manchester | 2003 |
| A to Z Enterprise Ltd | Hainault Business Park | 2022 |
| A to Z for Investment Ltd | Manchester | 2023 |
| A to Z Homeware Ltd | Southall | 2022 |
| A to Z Immigration Ltd | London | 2015 |
| A to Z Keys Ltd | Uxbridge | 2025 |
| A to Z Medway Ltd | Medway | 2024 |
| A to Z Networxx Ltd | Ilford | 2014 |
| A to Z Scissors Ltd | Hayes | 2019 |
| A to Z Scotland Limited | Glasgow | 2017 |
| A to Z Turkish Barbers Limited | Glasgow | 2022 |
| A to Z Vending Ltd | Wakefield | 2025 |
| A Touch of Beaute Academy Limited | Congleton | 2026 |
| A Touch of Beauty Derbyshire Ltd | Belper | 2022 |
| A Touch of Beauty Trading AS Hazey Fantazey Limited | Solihull | 2020 |
| A Touch of Blessed Hands Ltd | Barking | 2020 |
| A Touch of Calm Ltd | Shepton Mallet | 2022 |
| A Touch of Caramel Ltd | Dorset | 2023 |
| A Touch of Class (Beauty) Limited | Cheadle | 2003 |
| A Touch of Class (Wembley) Limited | Wembley | 2016 |
| A Touch of Class Debonair Ltd | Bolton | 2014 |
| A Touch of Elegance Ltd | Liverpool | 2020 |
| A Touch of Henny Ltd | Bromley | 2024 |
| A Touch of Magic by Sadie Ltd | Exeter | 2024 |
| A Touch of Pink Beauty Boutique Limited | Swansea | 2014 |
| A Touch of Salome Ltd | Manchester | 2025 |
| A Touch of Sun Ltd | Dover | 2019 |
| A Touch of Tiff’S Ltd | London | 2026 |
| A Town Barberz Ltd | London | 2022 |
| A Training Safety Advice Service Limited | Crook | 2017 |
| A Turkish Barber Ltd | Birmingham | 2025 |
| A V Energy Solution Limited | Bradford | 2011 |
| A V Barbering Ltd | Roath | 2023 |
| A V Spark Access Ltd | Blackpool | 2017 |
| A Vause & SON Limited | Sheffield | 2003 |
| A Very Important Date Limited | Linlithgow | 2017 |
| A Very Special Journey Limited | Northampton | 2018 |
| A Visable Change Limited | West Byfleet | 2016 |
| A Vision Creates Limited | Eastleigh | 2023 |
| A Vita Limited | Stockton On Tees | 2005 |
| A W Gray (Roofing) Limited | Angus | 2007 |
| A W Hair Limited | Hampshire | 2006 |
| A W International Ltd | Birmingham | 2020 |
| A W Landscapes (East Midlands) Limited | Mansfield | 2019 |
| A W Mays (Westbury) Limited | Westbury | 2014 |
| A W Nash Ltd | Southsea | 2025 |
| A W Services (SE) Ltd | Bexley | 2020 |
| A W Smyth Limited | Cumbria | 2002 |
| A W Upholstery Ltd | Brierley Hill | 2003 |
| A Wallace Services Ltd | Chelmsford | 2019 |
| A Ward and Sons Locksmiths Ltd | Birmingham | 2026 |
| A Waterson Limited | Cramlington | 2007 |
| A Wealth of Health Ltd | London | 2021 |
| A Weatherhead Ltd | Aylesbury | 1999 |
| A Weiss Balance Ltd | Pudsey | 2025 |
| A Welding Services Limited | Great Dunmow | 2019 |