| A Little Something ELY Ltd | Ely | 2025 |
| A Little Something for YOU Ltd | Slough | 2019 |
| A Little Tinsel Ltd | London | 2021 |
| A Little Unique Ltd | Cardiff | 2021 |
| A Littles & Co Ltd | Banbury | 2023 |
| A Lizzy Global Company Ltd | London | 2024 |
| A Lleshi Buy & Sell Cars Ltd | Newport | 2020 |
| A Loges UK Limited | Luton | 2026 |
| A Lojinha DA Sonia Ltd | Leicester | 2015 |
| A London Boutique Ltd | London | 2017 |
| A London Brand Limited | Bedfordshire | 2017 |
| A London Designer Ltd | London | 2026 |
| A London Project Ltd | London | 2024 |
| A London Swimwear Ltd | London | 2025 |
| A Longer Table CIC | Forfar | 2020 |
| A Love Mechanical Solutions Ltd | Bushey | 2019 |
| A Lucky JAR Ltd | Dagenham | 2020 |
| A Lucre Musket Limited | Shepton Mallet | 2020 |
| A Luxe Jewel Ltd | London | 2020 |
| A Luxury Collection Limited | Burry Port | 2025 |
| A Luxury Home Ltd | Harrow | 2016 |
| A Luxury Limited | Slough | 2024 |
| A M Car Sales (North East) Limited | Newcastle Upon Tyne | 2016 |
| A M and L T Pugh Limited | Leominster | 2014 |
| A M B Cars Limited | Wokingham | 2020 |
| A M B Goods Ltd | Northwood | 2023 |
| A M B Motors Limited | Bristol | 2026 |
| A M B Porsche Limited | Nottingham Business Park | 2003 |
| A M Bargain Ltd | Batley | 2022 |
| A M Bensons Limited | Barton-Upon-Humber | 2019 |
| A M Car Sales Ltd | Emersons Green | 2024 |
| A M Car Solutions Limited | Burton-On-Trent | 2018 |
| A M Caravans Carlisle Limited | Carlisle | 2024 |
| A M Carlisle Product Services Limited | London | 2025 |
| A M Citroen Care Limited | Liss | 1990 |
| A M COL Limited | Birmingham | 2021 |
| A M Convenience (Solihull) Ltd | Birmingham | 2021 |
| A M Designs Limited | Harrow | 2003 |
| A M Durrant Limited | London | 2026 |
| A M Engineering & General Services Ltd | Peterborough | 2011 |
| A M ETRADING13 Ltd | Cardiff | 2020 |
| A M Fabrics (Leicester) Ltd | Leicester | 2015 |
| A M Furniture & Households Limited | Barking | 2012 |
| A M Garage Services Limited | Birmingham | 2020 |
| A M Greenaway Ltd | Chipping Norton | 2017 |
| A M Grocery Store Ltd | Plymouth | 2019 |
| A M Hampshire Ltd | Southampton | 2021 |
| A M Hobbs Firearms Limited | Trowbridge | 2002 |
| A M I Distribution Ltd | Bradford | 2025 |
| A M Irvine Ltd | Cheltenham | 2019 |
| A M J Garage Services Limited | Ceredigion | 2015 |
| A M K Fuel Services Ltd | Driffield | 2002 |
| A M K Gatwick Limited | Worthing | 1998 |
| A M K Self Drive Limited | Glasgow | 1993 |
| A M K Services Limited | Glasgow | 1988 |
| A M Leisure (Brotherton) Ltd | Pontefract | 2018 |
| A M Leisure Ltd | Brixham | 2010 |
| A M Ltd T/As Ashton Motor Group Limited | Livingston | 2019 |
| A M M Trading Ltd | Birmingham | 2019 |
| A M Marketing & Sales Ltd | Sheffield | 2014 |
| A M Mcpherson Limited | Banffshire | 1981 |
| A M Metals Limited | Birmingham | 2009 |
| A M Mini Mart Ltd | Manchester | 2024 |
| A M Miniatures and Collectables Ltd | Bolton | 2026 |
| A M Mortar Supplies Ltd | Stockton-On-Tees | 2023 |
| A M Motors London Ltd | London | 2026 |
| A M News Ltd | Blackpool | 2015 |
| A M P Locum Services Ltd | Cheltenham | 2020 |
| A M Performance Bodywork Ltd | Congleton | 2025 |
| A M Performance Storage Ltd | Congleton | 2025 |
| A M Phillip Trucktech Limited | Angus | 2005 |
| A M Produce Limited | Pinner | 1993 |
| A M Quality Bargains Ltd | Bradford | 2025 |
| A M R Trading(Uk) Ltd | Halifax | 2024 |
| A M Repairs Ltd | Newark | 2018 |
| A M Retail 22 Ltd | Preston | 2022 |
| A M Retailer Limited | Middlesbrough | 2025 |
| A M S Car Sales Limited | Bradford | 2019 |
| A M Sharif Ltd | Leeds | 2013 |
| A M Shellfish Limited | Inverurie | 2016 |
| A M Sports Cars (Nottingham) Limited | Nottingham | 2018 |
| A M Squires Limited | Devon | 2003 |
| A M Stores Ipswich Ltd | Ipswich | 2024 |
| A M Super Ltd | Edinburgh | 2023 |
| A M Supplier Ltd | Pontyclun | 2019 |
| A M Tooling Ltd | St. Albans | 2019 |
| A M Transmissions Ltd. | Gerrards Cross | 2013 |
| A M Tyres & Motor Repairs Ltd | London | 2023 |
| A M Universal Limited | Leicestershire | 2006 |
| A M Vehicle Repairs Ltd | Insch | 2015 |
| A M Vehicle Sales Limited | Cleethorpes | 2016 |
| A M Welding Distribution Limited | Markfield | 2010 |
| A Maaz Ltd | Manchester | 2025 |
| A Mackay (Publisher) Ltd | Glasgow | 2025 |
| A Made Mind Limited | London | 2021 |
| A Major Music Supplies Limited | Stoke-On-Trent | 2012 |
| A Manan Limited | Ashton-Under-Lyne | 2023 |
| A Mann Pharma Ltd | Preston | 2018 |
| A Mano Products Ltd | London | 2012 |
| A Manson & SON Limited | Alloa | 2017 |