| Adam Patel Ltd | Leicester | 2021 |
| Adam Patel Optometry Limited | Loughborough | 2017 |
| Adam Pharma Services Ltd | Nottingham | 2013 |
| Adam Reid Coaching Limited | Dunstable | 2021 |
| Adam Rennie Associates Limited | Crowthorne | 2013 |
| Adam S Pharma Services Ltd | Nottingham | 2021 |
| Adam Sandelson CTS Ltd | London | 2024 |
| Adam Sawyer Plastic Surgery Limited | Salisbury | 2018 |
| Adam Schogger Medical Services Ltd | 11-15 New Road | 2021 |
| Adam Sensor Limited | London | 2023 |
| Adam Smith (North East) Limited | Houghton Le Spring | 2013 |
| Adam Smith Podiatry Ltd | Prestonpans | 2024 |
| Adam Support Ltd | Nottingham | 2017 |
| Adam Szafranek Limited | Nottingham | 2024 |
| Adam Weisbaum Osteopathy Limited | Beverley | 2014 |
| Adam Wood Ltd | Ellesmere Port | 2021 |
| Adam&Anas Medical Ltd | Wakefield | 2025 |
| Adam's Activity ARK CIC | Blackburn | 2021 |
| Adam's Locum Ltd | Preston | 2011 |
| Adam's Nursery Group Ltd | Manchester | 2024 |
| Adam's Optics Ltd | Birmingham | 2020 |
| Adam-Locums Ltd | Stoke-On-Trent | 2010 |
| Adamala Ltd | Manchester | 2022 |
| Adamally Limited | Woodford Green | 2018 |
| Adamantis.J.A Limited | Watford | 2013 |
| Adamantium Coaching Ltd | Edinburgh | 2023 |
| Adamas House CIC | Coleford | 2022 |
| Adamazi Passionate Care Ltd | Basildon | 2023 |
| Adamdima Ltd | Edgware | 2021 |
| Adamglobal Healthcare Ltd | Birmingham | 2023 |
| Adamhs Ltd | Middlesbrough | 2024 |
| Adamode Optical Ltd | Newbury | 2022 |
| Adamonis Healthcare Ltd | London | 2021 |
| Adampharm Limited | Birmingham | 2023 |
| Adams & Jamieson Secure Medical Solutions Ltd | Kilmarnock | 2022 |
| Adams BIA Assessments Ltd | Huddersfield | 2022 |
| Adams Care Ltd | Leytonstone | 2014 |
| Adams Chiropractic Limited | Nottingham | 2004 |
| Adams Dental Practice Limited | Croydon | 2010 |
| Adams Eyecare (Scotland) Ltd | Glasgow | 2017 |
| Adams Eyecare Limited | Newport | 2003 |
| Adams Family Care Ltd | Wantage | 2025 |
| Adams Food Safety Limited | Brough | 2015 |
| Adams Healthcare Nelson Ltd | Nelson | 2021 |
| Adams Homecare Ltd | Nelson | 2023 |
| Adams House Dental Practice Limited | London | 2009 |
| Adams House Medical Limited | Sheffield | 2013 |
| Adams Moore Capital Ltd | Tamworth | 2023 |
| Adams Opticians Ltd | Dewsbury | 2008 |
| Adams Oral Care Ltd | Pudsey | 2019 |
| Adams Prescribing Ltd | Solihull | 2025 |
| Adams Thornton Ltd | Oldham | 2023 |
| Adams Wellness Ltd | Kington | 2024 |
| Adamsammy Limited | Worcester Park | 2024 |
| Adamsrgns Ltd | Letchworth Garden City | 2024 |
| Adan for YOU Ltd | Stevenage | 2019 |
| Adanak Limited | Coventry | 2023 |
| Adanna Healthcare Staffing Solutions Ltd | Northampton | 2025 |
| Adansi Healthcare Ltd | Bishop'S Stortford | 2011 |
| Adansonia Consulting Limited | Wilmslow | 2018 |
| Adansoniia Ltd | London | 2018 |
| Adaoha and Associates Limited | Gravesend | 2010 |
| Adap UK Limited | Birmingham | 2026 |
| Adapa Healthcare Ltd | Babraham | 2015 |
| Adapio Care Services Ltd | London | 2013 |
| Adaplee Limited | Orpingington | 2015 |
| Adapr Ltd | Bournemouth | 2024 |
| Adapt & Bloom Ltd | London | 2026 |
| Adapt and Flow CIC | Mildenhall | 2025 |
| Adapt Belfast Ltd | Belfast | 2026 |
| Adapt Family Services Ltd | Burscough | 2024 |
| Adapt Group Dundonald Ltd | Belfast | 2026 |
| Adapt Harmony Care Homes Ltd | Leicester | 2024 |
| Adapt Medical Ltd | London | 2024 |
| Adapt Mobility Limited | Henfield | 2009 |
| Adapt OT Ltd | Manchester | 2025 |
| Adapt Prembabies Limited | Hinckley | 2010 |
| Adapt Scotland Ltd | Alloa | 2014 |
| Adaptability Occupational Therapy Services Ltd | Preston | 2025 |
| Adaptdance Limited | Wolverhampton | 1996 |
| Adaptdementia Ltd | Wallingford | 2017 |
| Adapted Psychological Therapies Ltd | London | 2014 |
| Adaptive Care Family Services Ltd | Croydon | 2020 |
| Adaptive Care Ltd | Bournemouth | 2021 |
| Adaptive Comforts Care UK Ltd | Basingstoke | 2023 |
| Adaptive Life Transitions Ltd | Leicester | 2024 |
| Adaptive Living Limited | Swindon | 2017 |
| Adaptive Minds OT Services Limited | Birmingham | 2025 |
| Adaptive Pain Services Ltd | London | 2022 |
| Adaptive Path Community CIC | Stockport | 2026 |
| Adaptive Performance Limited | Truro | 2011 |
| Adaptive Psychotherapy and Supervision With EVE Ltd | Wellington | 2024 |
| Adaptus Cares Limited | Leicester | 2013 |
| Adaptwell OT Ltd | London | 2026 |
| Adara Beauty Limited | Birmingham | 2010 |
| Adara Group Limited | Northampton | 2016 |
| Adara Healthcare Ltd. | Northampton | 1997 |
| Adara Holdings Ltd. | Northampton | 2016 |
| Adareen Health Limited | Milton Keynes | 2024 |
| Adaremy Limited | Dagenham | 2023 |