| A & Q Hill Limited | Leeds | 2011 |
| A & R Rice Limited | Folkestone | 2013 |
| A & S Critical Services Limited | Lincolnshire | 2004 |
| A & S School of Motoring Ltd | Leicester | 2010 |
| A & S Tutors Ltd | Slough | 2025 |
| A & T Training Manchester Ltd | Manchester | 2019 |
| A - Z Skydiving Ltd | Newbury | 2022 |
| A 2 B Motorcycle Training (Harrogate) Limited | Otley | 2010 |
| A 2 B Motorcycle Training Limited | Otley | 2010 |
| A 27 Limited | Heathfield | 2007 |
| A Academy Tutorials Ltd | Dudley | 2022 |
| A Alexander Tutoring Ltd | Brentwood | 2013 |
| A and G Medicalcare Ltd | Exeter | 2023 |
| A and I Solutions Ltd | Romford | 2018 |
| A and L Teaching Twosome Ltd | St. Helens | 2022 |
| A B Additional Needs Education Consultancy Ltd | Cardiff | 2025 |
| A B C Children's Services Limited | Perthshire | 2002 |
| A B Education Limited | Wellington | 2003 |
| A B Equine Services Limited | Leamington Spa | 2026 |
| A B Fire Safety Training Services Ltd | Millom | 2003 |
| A B Learning & Education Ltd | Ravenshead | 2009 |
| A Batty Enterprises Ltd | Northampton | 2007 |
| A Beacon of Hope CIC | Stockton-On-Tees | 2025 |
| A Beautiful Mind Ltd | Barnsley | 2025 |
| A Better Classroom Limited | Harrow | 2022 |
| A Better ME 1906 Ltd | Ashford | 2022 |
| A Between C Ltd | London | 2023 |
| A BIT More INK CIC | Huddersfield | 2019 |
| A Brand Culture Ltd | Cardiff | 2014 |
| A Breath of Fresh Air - Wild Nurture Community Interest Company | Bideford | 2022 |
| A Breath of Fresh Air- Outdoor Learning Ltd | Bideford | 2022 |
| A C F Distance Learning Limited | London | 1991 |
| A C Houghton-Boyle Limited | London | 2023 |
| A C I Education Ltd | Farnborough | 2013 |
| A C Pursehouse Ltd | Diss | 2023 |
| A Certain AGE Ltd | Chesterfield | 2021 |
| A Class Beauty Ltd | London | 2021 |
| A Class Driving School Limited | Chatham | 2012 |
| A Class GK Coaching Ltd | Leicester | 2025 |
| A Class Learners.Com Ltd | Upton Wirral | 2008 |
| A Class Nursery Ltd | London | 2018 |
| A Class School of Motoring Limited | Shrewsbury | 2003 |
| A Class Tuition Limited | Ilford | 2007 |
| A Conlin Ltd | Middlesbrough | 2014 |
| A Connolly Services Ltd | Liverpool | 2025 |
| A D G Services UK Limited | Ashford | 2007 |
| A D Training Ltd | Cheltenham | 2023 |
| A Daily Dose of Dopamine CIC | Bo'Ness | 2026 |
| A DE V Limited | Twickenham | 2006 |
| A Different Approach Tutoring and Therapy Services Ltd | Bedford | 2026 |
| A Donald Fitness Ltd | London | 2023 |
| A Driving School Ltd | Uxbridge | 2022 |
| A Drop Foundation | London | 2023 |
| A E C Tutors Ltd | Woodford Green | 2012 |
| A E F C Limited | Manchester | 2026 |
| A E M E Limited | Honiton | 1997 |
| A Education Hayes Limited | London | 2023 |
| A Education Ltd | Pinner | 2022 |
| A Education Services Ltd | London | 2020 |
| A Education Slough Limited | London | 2025 |
| A Everett Limited | Chippenham | 2023 |
| A F Global Football Limited | Sevenoaks | 2025 |
| A F Hair Academy Ltd | Manchester | 2026 |
| A F L Sector Consulting Ltd | Lymington | 2023 |
| A Father's Child Services CIC | Birmingham | 2019 |
| A FEW Great MEN Ltd | London | 2017 |
| A for E Limited | Bristol | 1995 |
| A Giving Plate CIC | Twickenham | 2025 |
| A Good Pass Ltd. | Bishop'S Stortford | 2022 |
| A Gush Tutoring Ltd | Grantham | 2026 |
| A GUY I Know Limited | Stroud | 2021 |
| A H & Z Associates Limited | London | 2012 |
| A H Driver Training Ltd | Bradford | 2026 |
| A Helping Hoof - Learning & Support Ltd | Stevenage | 2025 |
| A Helping Hoof Ltd | Stevenage | 2022 |
| A Higher Vision CIC | Hatfield | 2020 |
| A Irwin Education Limited | Wishaw | 2022 |
| A J Globalise 21C Limited | London | 2014 |
| A Johnson Education Ltd | Ryton | 2022 |
| A K Education Services Limited | Manchester | 2016 |
| A K Legal Consultancy Services Ltd | London | 2025 |
| A K Mathematical Solutions Ltd | Cranbrook | 2011 |
| A K4 Training Company Ltd | Brentford | 2023 |
| A Kick UP the Arts CIC | Paignton | 2026 |
| A Kind of Magic Equine Centre C.I.C. | Newton Abbot | 2016 |
| A L B a AP Ltd | Leamington Spa | 2025 |
| A Lami Company Ltd. | Woodely | 2018 |
| A Lawrence Training and Education Consultancy Ltd | Gillingham | 2018 |
| A Learning Place Ltd | Cambridge | 2022 |
| A Letter IS Better CIC | Totnes | 2025 |
| A Level Revision UK Ltd. | Stoughton | 2014 |
| A Library of C.I.C. | Glasgow | 2019 |
| A Life JAI Ltd | Wallington | 2020 |
| A Life of Choices CIC | Croydon | 2025 |
| A Light of Hope Ltd | London | 2026 |
| A Liminal Space Ltd | Hillsborough | 2014 |
| A Little BIT Wilder Ltd | Newark | 2021 |
| A Little Less Coffee Limited | Richmond | 2024 |
| A Little Peace CIC | London | 2026 |
| A Little Piece of Land CIC | Driffield | 2023 |