| Adam Davies Stove Works Limited | Newcastle Emlyn | 2015 |
| Adam Decorating Ltd | Colne | 2024 |
| Adam Dennis Plumbing and Heating Ltd | Coalville | 2009 |
| Adam Design & Building Ltd | London | 2025 |
| Adam Developments (Midlands) Limited | Nottingham | 1996 |
| Adam Developments (UK) Ltd | Liverpool | 2002 |
| Adam Douglas Contractor Ltd | | 2003 |
| Adam Doven Construction Limited | Farnham | 2014 |
| Adam Eastman Management Ltd | St. Albans | 2010 |
| Adam Electrical Limited | Essex | 2013 |
| Adam Electrical Services Ltd | Manchester | 2025 |
| Adam Electrics Teesside Ltd | Middlesbrough | 2025 |
| Adam Elite Construction Ltd | Harrow | 2025 |
| Adam Elliotts Properties Limited | Corby | 2023 |
| Adam Enterprises Limited | Hornchurch | 1969 |
| Adam Entrepreneurs Limited | Romford | 2014 |
| Adam Estates Limited | London | 1994 |
| Adam Evans Interiors Ltd | Saltburn-By-The-Sea | 2020 |
| Adam Evison Construction Ltd | Lincoln | 2022 |
| Adam Extensions Ltd | Manchester | 2022 |
| Adam Fahey Design Ltd | Worthing | 2005 |
| Adam Ferguson Decorating Limited | Dereham | 2017 |
| Adam Finch Heating and Plumbing Limited | Holyhead Road | 2020 |
| Adam Ford Project Management Limited | Swansea | 2015 |
| Adam FOX Plant Hire & Contractors Limited | Newark | 2019 |
| Adam French Joinery Limited | Chorley | 2013 |
| Adam Fritchley TM Ltd | Doncaster | 2025 |
| Adam Fryer Developments Ltd | Harrogate | 2019 |
| Adam G Smith Limited | Carlisle | 2026 |
| Adam Garner- Jones Properties Limited | Lincoln | 2025 |
| Adam GAS & Energy Services Limited | Stoke-On-Trent | 2015 |
| Adam Gilbert Limited | Gainsborough | 2026 |
| Adam Go Contracting Ltd | Renfrew | 2025 |
| Adam Gough Plastering Services Ltd | Hungerford | 2014 |
| Adam Gray Electrical Ltd | Paisley | 2024 |
| Adam Green Design & Build Ltd | London | 2021 |
| Adam Group Construction Ltd | London | 2023 |
| Adam Group Ltd | Uxbridge | 2010 |
| Adam Gutteridge Limited | Basildon | 2015 |
| Adam GUY Painting & Decorating Limited | Gillingham | 2011 |
| Adam H Solution Ltd | Bracknell | 2025 |
| Adam Halliday Decorators Limited | Leicestershire | 2002 |
| Adam Hawkins Limited | Tadcaster | 2019 |
| Adam Hodgkinson Plastering Limited | Ilkeston | 1998 |
| Adam Holding INT Ltd | Newcastle Upon Tyne | 2018 |
| Adam Holdings (Scotland) Limited | Paisley | 2017 |
| Adam Home Construction Limited | Epsom | 2026 |
| Adam Home Developments Ltd | London | 2018 |
| Adam Home Solutions Ltd | Feltham | 2026 |
| Adam Homecare Designs Limited | Mexborough | 1995 |
| Adam Housing UK Ltd | Harrow | 2024 |
| Adam Howard GAS and Plumbing Limited | Bradford | 2013 |
| Adam Humphreys Electrical Services Limited | Fleet | 2023 |
| Adam Hurst Construction Limited | Eastleigh | 2019 |
| Adam I Joinery Ltd | Halifax | 2023 |
| Adam Interiors Ltd | London | 2000 |
| Adam Irving Limited | Stevenage | 2018 |
| Adam J Cooper Ltd | Huntingdon | 2015 |
| Adam J Symons Plumbing & Heating Ltd | Chester | 2021 |
| Adam J. Meldan Limited | Wimborne | 1973 |
| Adam Jackson Heritage Builders Ltd | Penrith | 2023 |
| Adam Jade Homes Limited | Sunbury-On-Thames | 2002 |
| Adam James Decor Ltd | Gravesend | 2019 |
| Adam James Developments Ltd | Swansea | 2012 |
| Adam John Wiggins Plastering Ltd | Brill | 2026 |
| Adam Johnson Joinery Limited | Bridlington | 2007 |
| Adam Jones Bespoke Interiors Limited | Cannock | 2025 |
| Adam Jones Carpets & Flooring Limited | St Asaph | 2019 |
| Adam Jones Plumbing and Heating Ltd | Budleigh Salterton | 2026 |
| Adam K Contractors Limited | Swindon | 2015 |
| Adam K Electrical Services Limited | Southsea | 2015 |
| Adam K Electrics Ltd | Middlesbrough | 2022 |
| Adam Kember Limited | Deal | 2023 |
| Adam Keylock Limited | Great Chesterford | 2021 |
| Adam Kirkby Limited | Ulverston | 2024 |
| Adam Kitchen Appliances Ltd | Camberley | 2026 |
| Adam Klos Painter and Decorator Ltd | Southampton | 2025 |
| Adam Lawson Joinery Limited | Bolton | 2017 |
| Adam Learner Renovations Ltd | Milton Keynes | 2019 |
| Adam LEE Developments Limited | Borehamwood | 2021 |
| Adam LEE Plastering Limited | Newmarket | 2015 |
| Adam LEE Property Maintenance Ltd | Borehamwood | 2016 |
| Adam Lewis Carpentry Limited | Carmarthen | 2025 |
| Adam Lightowler & Sons Limited | Rochester | 2014 |
| Adam Lloyd Construction Limited | London | 2011 |
| Adam Lomas Limited | Whaley Bridge | 2018 |
| Adam Lythgoe (Estates) Limited | Cheshire | 1966 |
| Adam Macdonald Building & Joinery (Skye) Limited | Isle Of Skye | 2005 |
| Adam Main Limited | Elgin | 2005 |
| Adam Maria Transport Ltd | Coventry | 2025 |
| Adam Martin Home Finishes Ltd | London | 2026 |
| Adam Martin Ltd | Brent | 2024 |
| Adam Masters General Builders Ltd | Hayle | 2022 |
| Adam Matthews Electrical Ltd | Hemel Hempstead | 2017 |
| Adam Mclaughlin Joinery Limited | Ayr | 2004 |
| Adam Mcpheators Limited | Cumnock | 2013 |
| Adam Michael Ltd | London | 2026 |
| Adam Michael Scaffolding Services Ltd | 1 Oxford St | 2009 |
| Adam Mills Developments Ltd | Norwich | 2025 |
| Adam Mills Roofing Limited | Huntingdon | 2013 |