| Ashdown Education Limited | Manchester | 2002 |
| Ashdown Garden School | Nailsworth | 2024 |
| Ashdown Riding Ltd | Haywards Heath | 2020 |
| Ashebo Community Interest Company | Birmingham | 2013 |
| Asheppee Consultancy Ltd | Teddington | 2022 |
| Asher Amarachi Ltd | Welwyn Garden City | 2024 |
| Asher Ismail Ltd | Preston | 2022 |
| Ashes Enterprises Ltd | Hoddesdon | 2020 |
| Ashfall Ltd | Sutton Coldfield | 2019 |
| Ashfield Nursery and Childcare Limited | South Shields | 2023 |
| Ashfield Nursery and Early Learning Centre Limited | South Shields | 2000 |
| Ashfield Spartans Boxing Academy Ltd | Nottingham | 2023 |
| Ashford Business College Limited | Wembley | 2026 |
| Ashford Chess Club Limited | Ashford | 2025 |
| Ashford Dharmik and Cultural Society | Ashford | 2023 |
| Ashford Education Limited | London | 2026 |
| Ashford Model Railway Museum | Cranbrook | 2013 |
| Ashford Nursery Schools Limited | Ashford | 2014 |
| Ashford Play Centre Limited | Ashford | 2003 |
| Ashford Youth and Community CIC | Staines-Upon-Thames | 2020 |
| Ashfurlong Academy Limited | Woodstock | 2022 |
| Ashinaga Association in the UK | London | 2017 |
| Ashingdon Education Limited | Evesham | 2004 |
| Ashingdon Pre-School Limited | Essex | 1999 |
| Ashington Learning Partnership Trust | Ashington | 2007 |
| Ashland Nationwide Ltd | Newton Abbot | 2001 |
| Ashleigh Noon Sensory Limited | Nottingham | 2024 |
| Ashleigh Rielly Educational Psychology Services Limited | London | 2026 |
| Ashley Hill Multi Academy Trust | Marlow | 2012 |
| Ashley Howard Consultancy Ltd | Welwyn Garden City | 2022 |
| Ashley Jade Ltd | Southport | 2024 |
| Ashley Jade Vocational College Ltd | Southport | 2020 |
| Ashley Neal Driving Instruction Limited | Liverpool | 2008 |
| Ashleyeducationalservices Limited | Sutton Coldfield | 2025 |
| Ashmole Traded Services Ltd | London | 2026 |
| Ashmole Trust | Southgate | 2010 |
| Ashmore Corporation Ltd | Edgware | 2021 |
| Ashmore-Short Limited | Banstead | 2024 |
| Ashnaa London Academy Ltd | Croydon | 2024 |
| Ashok Driving Academy Ltd | Watford | 2014 |
| Ashoka London Limited | Barking | 2022 |
| Ashover Transport and Driving School Limited | Nottingham | 2024 |
| Ashperton Foundation | Ledbury | 2011 |
| Ashperton Primary Academy Trust | Ledbury | 2011 |
| Ashreinu | Tyne & Wear | 2003 |
| Ashridge Care Ltd | Tring | 2013 |
| Ashridge CT Limited | Berkhamsted | 2014 |
| Ashridge Executive & Organisation Development Limited | Berkhamsted | 1984 |
| Ashspire Ltd | Stoke-On-Trent | 2025 |
| Ashstro Ballerz Coaching Ltd | Bexley | 2025 |
| Ashtead Bowls Club Services Limited | Ashtead | 2020 |
| Ashton Informatics Ltd | Cheadle Hulme | 2026 |
| Ashton Psychology Ltd | Preston | 2017 |
| Ashton School Limited | Egham | 2016 |
| Ashton West END Primary Academy | Ashton Under Lyne | 2015 |
| Ashtutorials Ltd | Coventry | 2023 |
| Ashumalu Ltd | Manchester | 2025 |
| Ashv & Associates Ltd | Leicester | 2025 |
| Ashvale Education Limited | London | 2023 |
| Ashviga Driving School Ltd | London | 2025 |
| Ashville College Trustee Limited | Harrogate | 2002 |
| Ashville Foundation | Harrogate | 2009 |
| Ashwicke Hall School Limited | Chippenham | 1983 |
| Ashworth View Limited | Manchester | 2012 |
| ASI Courses Ltd | Ilford | 2023 |
| ASI On-Demand Ltd | Ilford | 2023 |
| ASI Online Limited | Ilford | 2019 |
| Asia Scotland Consulting Limited | South Queensferry | 2025 |
| Asia-Pacific Academy of Sciences | London | 2021 |
| Asian Assoc Culture Commerce and Education in Europe LBG Limited | Edinburgh | 2016 |
| Asian College of Teachers Limited | London | 2016 |
| Asian Fire Service Association CIC | Sutton Coldfield | 2024 |
| Asian Football League Ltd | Leicester | 2022 |
| Asian Lingo Limited | London | 2023 |
| Asian Music Circuit Limited | Coventry | 1991 |
| Asian Professional College APC Ltd | Ruislip, | 2025 |
| Asian Social & Humanitarian Association Ltd | London | 2020 |
| Asian University for Women Foundation (Bangladesh) | Altrincham | 2011 |
| Asian Women Mean Business Ltd | Cobham | 2021 |
| Asian Womens Project Limited | Nottingham | 1996 |
| Asianship Ltd | Poole | 2017 |
| Asic Global Ltd | Stockton-On-Tees | 2011 |
| Asic Integrated Solutions Ltd | Harrow | 2023 |
| Asic UK Ltd | Stockton-On-Tees | 2007 |
| Asiqual Limited | Manchester | 2012 |
| Asisters Baby Limited | Winchester | 2026 |
| ASJ Associates Ltd | Uckfield | 2023 |
| ASJ Learning Ltd | East Barnet | 2025 |
| ASJ Solihull Tuition Centre Limited | Solihull | 2018 |
| ASK Brenda Ltd | Welwyn | 2012 |
| ASK Education Centre Ltd | | 2005 |
| ASK for SAM Limited | Liverpool | 2024 |
| ASK Group (Trading AS Thornton Heath After School Club) Limited | Erith | 2025 |
| ASK Harriette Limited | Leeds | 2018 |
| ASK Identity Consultancy Community Interest Company | Birmingham | 2016 |
| ASK Learn & Develop Limited | Billericay | 2006 |
| ASK Learning Academy Ltd | Carshalton Beeches | 2011 |
| ASK Mandy Ltd | Fleet | 2022 |
| ASK Montgomery Academy Limited | Southampton | 2025 |
| ASK Safety and Health Consultancy Limited | Bexleyheath | 2015 |