| A E Brands Ltd | Poole | 2023 |
| A E Chapman & SON Limited | Gatwick | 1949 |
| A E Connections Systems Limited | Romford | 2014 |
| A E D Partners Ltd | Dereham | 2015 |
| A E Dent Removal Limited | Trowbridge | 2012 |
| A E Energy Solutions Ltd | Cardiff | 2011 |
| A E Harris & Co Limited | Deeside | 2012 |
| A E LEE Limited | Crediton | 2002 |
| A E M Group Limited | Church Stretton | 2002 |
| A E Motors Ltd | Porthmadog | 2013 |
| A E P L Limited | London | 1990 |
| A E Performance Engineering Limited | Cheshire | 2006 |
| A E Prentice Ltd | Bicester | 2022 |
| A E Smith Bodycraft Limited | Sawbridgeworth | 2008 |
| A E Stanton Limited | London | 2014 |
| A E Ward Limited | Birmingham | 2013 |
| A Ecommerce Solutions Limited | Loughborough | 2026 |
| A Ejaz Limited | Ilford | 2020 |
| A Emirates GAS Ltd | Birmingham | 2025 |
| A Engineering Services Limited | Farnborough | 2023 |
| A Eves Trading Ltd | Hollinwood | 2021 |
| A Express Tyre Ltd | Harrow | 2025 |
| A F Hewitson Limited | Callington | 2003 |
| A F Imports Limited | Watford | 2017 |
| A F J Limited | Birmingham | 2006 |
| A F Mobile Ltd | London | 2022 |
| A F Motor Services (Durham) Limited | Durham | 2012 |
| A F Motor Services Ltd | York | 2022 |
| A F Noble & SON (Penicuik) Limited | Midlothian | 2008 |
| A F Nuts & Dried Fruits Limited | Chelmsford | 2021 |
| A F Wiltshire (Dunsfold) Limited | Godalming | 2012 |
| A Falcon Ltd | London | 2023 |
| A Fallen Poete Limited | London | 2025 |
| A Familiar Place Ltd | Mildenhall | 2025 |
| A Family Affair Bridal and Menswear Ltd | Kendal | 2019 |
| A Family Convenience Store UK Ltd | London | 2018 |
| A Family Food Ltd | Luton | 2019 |
| A Family Group Limited | Leicester | 2016 |
| A Fang Limited | London | 2024 |
| A Fantastic Find Ltd | Upminster | 2026 |
| A Faragi Ltd | Edgware | 2010 |
| A Farley Menswear Ltd | Kibworth | 2012 |
| A Fashion Day Ltd | London | 2021 |
| A Fashion Limited | Rochdale | 2020 |
| A Fashion Story Ltd | London | 2025 |
| A Fattorini the Jeweller Limited | Shipley | 2021 |
| A Feathered Nest Ltd | Shrewsbury | 2023 |
| A Fee-Lings Project Limited | Norwich | 2015 |
| A Fenton & Co Ltd | Aldermaston | 2024 |
| A FEW Essentials Ltd | Liverpool | 2020 |
| A FEW of My Favourite Gifts Ltd | Northampton | 2024 |
| A FEW of My Favourite Things Ltd | Aldershot | 2022 |
| A Fields Joinery Limited | Derby | 2007 |
| A Finder Ltd | London | 2020 |
| A Fine Balance Limited | Upminster | 2018 |
| A Fine Choice Ltd | Twickenham | 2010 |
| A Fine Food & Wine Ltd | Swanscombe | 2014 |
| A Fine Pair of Shoes Limited | Warwick | 2012 |
| A Firm Tree Ltd | London | 2024 |
| A Fish 'N Sea Limited | Hemel Hempstead | 2015 |
| A Fistful of Dice Ltd | Southsea | 2014 |
| A Fistful of Vapes Limited | Stoke-On-Trent | 2016 |
| A Five Starz Ltd | Rotherham | 2025 |
| A Flock of FUN Ltd | Lytham St.Annes | 2024 |
| A FLY Shipping Ltd | Slough | 2020 |
| A Flying Chance Limited | London | 2023 |
| A Fold of Chairs Ltd | St. Albans | 2023 |
| A Food and Wine Limited | London | 2017 |
| A for Alfa Ltd | Aylesbury | 2026 |
| A for Anatomy Limited | Ealing | 2021 |
| A for Audi Holdings Limited | Clydebank | 2018 |
| A for Audi Limited | Clydebank | 2008 |
| A for Awais Limited | Bradford | 2025 |
| A Fordable Storage Solutions Limited | Great Yarmouth | 2010 |
| A Fowler Wholesale Ltd | Doncaster | 2024 |
| A Fragrance LAB Limited | Ilford | 2024 |
| A Frame Digital Ltd | Glasgow | 2026 |
| A Fraser Jones Limited | Cardiff | 2003 |
| A Freitas Intermediate Ltd | London | 2025 |
| A Friend of a Friend Ltd | Cranbrook | 2025 |
| A Fruit & VEG Ltd | Blackpool | 2023 |
| A Fruitful Life Ltd | Ledbury | 2026 |
| A G & a L Auto Services Ltd | Shrewsbury | 2021 |
| A G & Sons (UK) Ltd | Harrow | 2005 |
| A G (U.K) Enterprises Limited | Twickenham | 2011 |
| A G Auto Services Limited | Motherwell | 2018 |
| A G Autotech Ltd | Hawick | 2017 |
| A G Bannerman Limited | | 2002 |
| A G Budget Limited | Worcester | 2003 |
| A G Burridge Ltd | Louth | 2012 |
| A G Cars Larkhill Limited | Salisbury | 2013 |
| A G Classic Car Hire Ltd | London | 2025 |
| A G Collectibles Ltd | Colchester | 2022 |
| A G Curtain Design Limited | Didcot | 2012 |
| A G D Duff & Partners Limited | Aberdeen | 2010 |
| A G Diagnostics Limited | Ferndown | 2021 |
| A G Exon Limited | Hessle | 2018 |
| A G F 4X4 Limited | Kidderminster | 1999 |
| A G H Motors Limited | Stockport | 2012 |
| A G H Tyres Limited | Northampton | 2010 |