| Adam Accountancy Services Ltd | Ilford | 2010 |
| Adam Accountants Limited | Slough | 2016 |
| Adam Accounting Services Ltd | Milton Keynes | 2010 |
| Adam Accounts Limited | Potters Bar | 2010 |
| Adam Adams Consulting Ltd | Colchester | 2023 |
| Adam Advisory Associates Limited | Edinburgh | 2023 |
| Adam Advisory Limited | London | 2022 |
| Adam Ahmed Ltd | London | 2022 |
| Adam ALI Rafiq Limited | Leigh-On-Sea | 2019 |
| Adam and Associates Ltd | London | 2018 |
| Adam and Co Accountants (Ayrshire) Ltd | Irvine | 2018 |
| Adam and Goldsmith Limited | London | 2007 |
| Adam and Gordon Architects Limited | | 2004 |
| Adam and Khan Limited | Windsor | 2026 |
| Adam Angelides Ltd | London | 2014 |
| Adam Animation Limited | Coulsdon | 2019 |
| Adam Architects Limited | London | 2021 |
| Adam Architecture Limited | Winchester | 1986 |
| Adam Arkell EMC Ltd | Stirling | 2025 |
| Adam Armstrong Engineering Ltd | Newcastle Upon Tyne | 2020 |
| Adam Armstrong Enterprises Ltd | 29 East Parade | 2012 |
| Adam Arshad Consulting Limited | Stoke-On-Trent | 2026 |
| Adam Associates (UK) Limited | Oldham | 2011 |
| Adam Atraktzi Ltd. | London | 2015 |
| Adam Barnett Architect Limited | Hastings | 2012 |
| Adam Barnett Limited | London | 2022 |
| Adam Bates Ltd | Altrincham | 2016 |
| Adam Beck Consultancy Limited | Croydon | 2023 |
| Adam Belhouche Limited | Salford | 2025 |
| Adam Bench Architects Limited | Buxton | 1998 |
| Adam Benedict Limited | London | 2022 |
| Adam Bernard Solicitors Ltd | Upton Park | 2010 |
| Adam Bicknell Creative Limited | Tamworth | 2017 |
| Adam Birley Consulting Ltd | Haywards Heath | 2024 |
| Adam Bradley Business Growth Consultancy Ltd | Sheffield | 2024 |
| Adam Brazier Photography Limited | Woodford Green | 2020 |
| Adam Brett Consulting Limited | Bolton | 2022 |
| Adam Bridge Recruitment Ltd | London | 2020 |
| Adam Briffett Advisory Ltd | Bury St. Edmunds | 2025 |
| Adam Brucely Certified Accountants & Tax Consultants Ltd | Romford | 2000 |
| Adam Callegaris Limited | Manchester | 2014 |
| Adam CAM Creative Ltd | Milton Keynes | 2026 |
| Adam Capital Ltd | London | 2025 |
| Adam Carter Photography Limited | Malmesbury | 2018 |
| Adam Cash Consultancy Limited | Stanmore | 2020 |
| Adam Charlesworth Limited | Nottingham | 2021 |
| Adam Chase Legal Ltd | London | 2025 |
| Adam Chase R&D Ltd | London | 2025 |
| Adam Clarke Colour Ltd | London | 2020 |
| Adam Clarke Communications Ltd | Buckingham | 2022 |
| Adam Cole Creative Limited | London | 2014 |
| Adam Collins Coaching Ltd | Stoke On Trent | 2019 |
| Adam Consultancy Limited | Kington | 2026 |
| Adam Consultancy PVT Ltd | Luton | 2025 |
| Adam Consultancy Services Limited | London | 2018 |
| Adam Conway Ltd | London | 2025 |
| Adam Corporate Limited | Folkestone | 2003 |
| Adam Corporate Services Limited | Folkestone | 1994 |
| Adam Crowley Limited | London | 2016 |
| Adam Dadswell Limited | Godalming | 2014 |
| Adam Danial Engineering Services Ltd | Leicester | 2023 |
| Adam Daniels Advisory Limited | London | 2025 |
| Adam Daniels Pet Orthopaedics Ltd | Huddersfield | 2024 |
| Adam Dannan Associates Limited | Epsom | 2022 |
| Adam Davies Weddings Ltd | Shrewsbury | 2023 |
| Adam Dawe Design Limited | Harrow | 2007 |
| Adam DE Silva Photography Limited | Melton Mowbray | 2018 |
| Adam Design (UK) Ltd | Liverpool | 2002 |
| Adam Design Work Ltd | Ilford | 2024 |
| Adam Developer Ltd | Maidstone | 2024 |
| Adam Dhaliwal Ltd. | London | 2017 |
| Adam Dickens Energy Consulting Limited | London | 2026 |
| Adam Dickson Limited | Downpatrick | 2014 |
| Adam Dobbing Limited | West Molesey | 2024 |
| Adam Doffman Marketing Ltd | London | 2023 |
| Adam Doyle Illustration Ltd | Carlisle | 2025 |
| Adam Drake Photography Limited | Cirencester | 2009 |
| Adam Drummond Engineering Limited | Derby | 2026 |
| Adam Duckett Limited | London | 2015 |
| Adam Dudley Ltd | Chester Le Street | 2024 |
| Adam Dyson Engineering Services Limited | Solihull | 2013 |
| Adam Eckley Services Limited | Maidstone | 2019 |
| Adam Ellis London Limited | London | 2021 |
| Adam Ellis Ltd | London | 2010 |
| Adam Fairbrother Consultancy Limited | Llandudno | 2017 |
| Adam Financial Accountants Ltd | Barking | 2024 |
| Adam Financial Ltd | Mitcham | 2024 |
| Adam Finn Consultancy Limited | Bristol | 2023 |
| Adam Fulton Architecture Ltd | Cleethorpes | 2026 |
| Adam Gardiner Limited | Fareham | 2007 |
| Adam Gardner Photography Ltd | Wellington | 2024 |
| Adam Garside Agencies Limited | Upper Benefield | 2020 |
| Adam Grant Ltd | London | 2015 |
| Adam Gray Legal Services Limited | Lewes | 2019 |
| Adam Green Media Ltd | Sittingbourne | 2025 |
| Adam Grey Ltd | Leicester | 2014 |
| Adam Group (Holdings) Limited | Nottingham | 1997 |
| Adam Groves Limited | Manchester | 2026 |
| Adam H Priest Limited | Shetland | 2020 |
| Adam Hankinson Consulting Ltd. | Hove | 2018 |