| A Very Pristine Clean Ltd | Sidcup | 2024 |
| A Virtual Experience With Ltd | Halifax | 2017 |
| A Voice for the Animals Limited | Blackpool | 2023 |
| A W Alarms Ltd | Bridgwater | 2016 |
| A W Avery Ltd | Hove | 1978 |
| A W C Business Solutions Ltd | Leigh On Sea | 2009 |
| A W Campbell Limited | Berkhamsted | 2025 |
| A W Childcare Limited | Harrow | 2024 |
| A W Cole Services Limited | Wiltshire | 2005 |
| A W Creative Limited | Godalming | 1998 |
| A W D Consult Ltd | London | 2025 |
| A W Foot & SON Limited | Chippenham | 2014 |
| A W Gasfitting Ltd | Liverpool | 2013 |
| A W Grounds Ltd | Colne | 2021 |
| A W Hart Limited | Norwich | 2016 |
| A W Morrison (Builder) Limited | Banff | 2005 |
| A W Research Services Ltd | Brighton | 2016 |
| A W Scaffolding Limited | Sudbury | 2009 |
| A W Security & Fire Ltd | Buckley | 2025 |
| A W Services (Derby) Limited | Ilkeston | 2010 |
| A W Services (SW) Ltd | Melksham | 2017 |
| A W Stratton Ltd | Towcester | 2004 |
| A W Taylor (Holbeach) Ltd | Holbeach | 2021 |
| A W Webb Limited | Norwich | 2011 |
| A Wadsworth Landscaping Limited | Middlesbrough | 2012 |
| A Wainwright Ltd | Stockport | 2011 |
| A Waites 408157 Sipp Limited | London | 2021 |
| A Walters Construction Management Services Limited | Warrington | 2016 |
| A Wareing Limited | Worthing | 2014 |
| A Waters Recruitment Ltd | Sittingbourne | 2020 |
| A Watson WP Ltd | Billingham | 2024 |
| A Way Studio Ltd | Redhill | 2007 |
| A Way to Makkah HAJ & Umrah Services Ltd | Shefford | 2016 |
| A WEE Pedal Ltd | Edinburgh | 2019 |
| A WEE Pedal Tours Ltd | Edinburgh | 2025 |
| A WEE Taste of Edinburgh Limited | Edinburgh | 2020 |
| A West Services Limited | Clitheroe | 2012 |
| A Wilbourn Limited | Warrington | 2015 |
| A Wilder Future Limited | Haslemere | 2020 |
| A Wilkinson Company Ltd | Leighton Buzzard | 2025 |
| A Willi UK Ltd | Newcastle Upon Tyne | 2023 |
| A Williams Building & Landscaping Services Ltd | Whaley Bridge | 2016 |
| A Willis Consultant Ltd | Hull | 2022 |
| A Wilson Signs Limited | Sheerness | 2016 |
| A Window Cleaning Services Limited | Milton Keynes | 2023 |
| A Wise Choice Landscaping Ltd | Ely | 2025 |
| A Wise Consultancy Ltd | London | 2023 |
| A Wood and SON Ltd | Darlington | 2021 |
| A Wood Events Services Limited | Cheltenham | 2022 |
| A Word About Wind Ltd | Bicester | 2013 |
| A Word in Your Shell-Like Ltd | Brentwood | 2014 |
| A Word to the Wise Ltd | Portsmouth | 2005 |
| A World of Wanders Ltd | Linlithgow | 2019 |
| A Wrate Machinery Limited | Sunbury-On-Thames | 2019 |
| A Wright Landscapes Ltd | Halifax | 2019 |
| A Y Dumville Ltd | Chiswick | 2014 |
| A Y Ground & Playing Field Contractors Limited | Wetherby | 2002 |
| A Z a Security Ltd | Newport | 2025 |
| A Z Accounting London Ltd | London | 2020 |
| A Z Carpet Cleaning Ltd | Manchester | 2022 |
| A Zafar Limited | Batley | 2016 |
| A& I Cleaning Services Ltd | Birmingham | 2021 |
| A&A Aviation Limited | Leicester | 2024 |
| A&A Builders Cleaning Services Limited | London | 2026 |
| A&A Car Hire (NW) Ltd | Blackburn | 2026 |
| A&A Care & Cleaning Services Ltd | London | 2026 |
| A&A Carpenter Decorator Ltd | Leicester | 2023 |
| A&A Carwash Detailing Ltd | Chesterfield | 2026 |
| A&A Carwash Ltd | Luton | 2019 |
| A&A Clean Ltd | Halesowen | 2025 |
| A&A Cleaning NW Ltd | Hayes | 2022 |
| A&A Cleaning Services Ltd | Bedford | 2025 |
| A&A Commercial Services Ltd | Colchester | 2018 |
| A&A Contracts Limited | Crossmaglen | 2020 |
| A&A Digital Ltd | London | 2025 |
| A&A DNK Ltd | Feltham | 2025 |
| A&A Elite Cleaners Ltd | Harrow | 2025 |
| A&A Enviro Ltd | London | 2026 |
| A&A Executive Travel Limited | Romford | 2024 |
| A&A Fish Ltd | Haverfordwest | 2020 |
| A&A Groundcare Limited | Lancaster | 2013 |
| A&A Help Services Ltd | Boston | 2026 |
| A&A Holliday Ltd | Okehampton | 2025 |
| A&A Jetting Services Ltd | Livingston | 2023 |
| A&A Landscaping & Groundworks Ltd | Stoke-On-Trent | 2017 |
| A&A Legacy Travel Ltd | Luton | 2024 |
| A&A Motorcycle Rental Ltd | London | 2023 |
| A&A Perfect Cleaning Ltd | London | 2026 |
| A&A Pro Cleaning Ltd | West Drayton | 2025 |
| A&A Response Security Ltd | King'S Lynn | 2022 |
| A&A Software Ltd | Reading | 2017 |
| A&A Tech Consultancy Ltd | Dunstable | 2024 |
| A&A Tours Services Limited | Birmingham | 2024 |
| A&A Track Ltd | Macclesfield | 2025 |
| A&A Transportation Ltd | London | 2025 |
| A&A Travel Ltd | Banbury | 2025 |
| A&A Unique Ltd | Bury St. Edmunds | 2019 |
| A&A Valeting Limited | Tamworth | 2017 |
| A&A Window Cleaning Ltd | Basildon | 2024 |
| A&Aworkforce Ltd | Birmingham | 2026 |