| Animal Therapy Solutions Limited | Barnstaple | 2015 |
| Animal Training College Limited | Holsworthy | 2018 |
| Animaljobsdirect Limited | Bournemouth | 2005 |
| Animals in Science - Education Trust | Oxford | 2009 |
| Animals’ Voice | Fordingbridge | 2025 |
| Animate 2 Educate Limited | Gateshead | 2012 |
| Animate Arts Company C.I.C. | Faversham | 2007 |
| Animate Earth Collective CIC | Totnes | 2025 |
| Animate Education Ltd | Stockport | 2015 |
| Animate Puppet Co CIC | Winchester | 2025 |
| Animating Devon CIC | Exeter | 2025 |
| Animating Education CIC | Southend-On-Sea | 2023 |
| Animation Nation Ltd | Manchester | 2013 |
| Animazing C.I.C. | Hailsham | 2018 |
| Animotion-Academy Limited | Fleet | 2025 |
| Anissa Women's Driving School Limited | London | 2023 |
| Anita Bolderson Ltd | Towcester | 2023 |
| Anita Mitra Limited | London | 2013 |
| Anita Sharma Coaching Ltd | Nottingham | 2016 |
| Anix International Ltd | London | 2025 |
| Anja Ltd | Kettering | 2023 |
| Anjoli Music & Arts Academy Ltd | Chelmsford | 2026 |
| Anjoman Educational Foundation | Wembley | 2018 |
| Anju Bansal Consultancy Ltd | Orpington | 2021 |
| Anjuman Raza-E-Mustafa Association | London | 2018 |
| Anka Communication Ltd | Birmingham | 2011 |
| Anka Aesthetics & Training Academy Ltd | Birmingham | 2023 |
| Anka House Ltd | London | 2025 |
| Ankara Fitness Ltd | Liverpool | 2026 |
| Ankcard Ltd | Wilmslow | 2026 |
| Ankh Medic Limited | Luton | 2024 |
| Ankobra Foundation | Reading | 2010 |
| Ankor Pilates Ltd | Malvern | 2019 |
| Anlan Development Limited | London | 2015 |
| Anlp International CIC | Alfreton | 2005 |
| Anlt Sports Holdings Ltd | North Shields | 2022 |
| ANN Berger Limited | Umberleigh | 2007 |
| ANN Gravells Limited | Driffield | 2010 |
| ANN Hawkings Ltd. | London | 2016 |
| ANN Jones Mathematics Limited | St. Asaph, | 2013 |
| ANN Marie Davies Ltd | Prenton | 2026 |
| ANN Oliver Stage School Limited | Leicester | 2014 |
| ANN Oliver's Leicester Academy Limited | Leicester | 2014 |
| ANN Rhodes Case Management Limited | London | 2016 |
| Anna Armentano Ltd | Sheffield | 2025 |
| Anna Baker Aesthetic Consulting Ltd | Southampton | 2018 |
| Anna Bowen Ltd | Weymouth | 2006 |
| Anna Burdett Consultancy Limited | Thrapston | 2024 |
| Anna Chart Consulting Ltd | Bromley | 2023 |
| Anna Davydova Dance School Ltd | Northolt | 2004 |
| Anna Eshwood Limited | Wellingborough | 2013 |
| Anna Kimber Ltd | London | 2025 |
| Anna Maria Fitness Ltd | Sheffield | 2022 |
| Anna Murphy Limited | Leicester | 2016 |
| Anna Pearce Limited | London | 2018 |
| Anna Roughley International Consulting Limited | Redbourn | 2015 |
| Anna Verhamme Consulting Ltd | Chepstow | 2019 |
| Annabel Active Ltd | Colchester | 2021 |
| Annabel's Dance Collective Ltd | Halifax | 2024 |
| Annabelle's Day Nursery Limited | Oldbury | 2011 |
| Annafay International Ltd | London | 2024 |
| Annamarie Training Limited | Nottingham | 2022 |
| Annamatt Ltd | Slough | 2026 |
| Annan School Limited | Uckfield | 2014 |
| Anne Casey Education(Ace) Limited | Trafford | 2017 |
| Anne Clifft Education Limited | Telford | 2015 |
| Anne Conchie Consultancy Ltd | Preston | 2024 |
| Anne Cowley Education Ltd | Blandford Forum | 2020 |
| Anne Education Ltd | Tunbridge Wells | 2023 |
| Anne Francis PRE Preparatory School Limited | London | 2026 |
| Anne Frank Trust UK | London | 1991 |
| Anne Hayward Associates Limited | York | 2003 |
| Anne Johnston Consulting Limited | Widnes | 2010 |
| Anne Stokes Consultancy Ltd | Cheltenham | 2016 |
| Anne-Marie Blewitt Consulting Ltd | Nuneaton | 2020 |
| Annette Adams School of Dancing Limited | Bristol | 2024 |
| Annette Locums Limited | Liverpool | 2004 |
| Annetts Pet & Play Ltd | Newry | 2022 |
| Annexe Communities | Glasgow | 2001 |
| Annie Bennett Academy Limited | Ascot | 2024 |
| Annie Holmes Tutoring Ltd | Winchester | 2023 |
| Annie Hudson Associates Limited | Ruislip, London | 2016 |
| Annie Knell Limited | Pudsey | 2026 |
| Annie Mitchell EP Limited | London | 2010 |
| Annie Mood Consulting Ltd | London | 2022 |
| Annie's Aider Limited | Castle Douglas | 2010 |
| Annieducation Ltd | Lincoln | 2025 |
| Anniefitness Ltd | Saxmundham | 2023 |
| Annis Arts and Education Limited | Broadstairs | 2026 |
| Annisa Rochdale CIC | Rochdale | 2022 |
| Annites United Kingdom Limited | Ilford | 2023 |
| Annmarie Kirk Tutoring Ltd | Darlington | 2024 |
| Annoor Centre C.I.C. | London | 2021 |
| Annova Solutions Limited | Weybridge | 2025 |
| Annunciation Catholic Academy Trust | London | 2026 |
| Annwn Associates Limited | Benfleet | 2026 |
| ANNY2ANIMAL Healings Ltd | London | 2023 |
| Anointed.Love C.I.C. | Greater London | 2024 |
| Anondo Limited | London | 2025 |
| Anonymous Recovering Communities (ARC) CIC | Penzance | 2026 |