| Adam Hannah ZAC Law Limited | Manchester | 2022 |
| Adam Harman Consulting Limited | London | 2018 |
| Adam Harris ARB Limited | Bristol | 2024 |
| Adam Harrison Limited | London | 2015 |
| Adam Hawra Limited | Blackburn | 2020 |
| Adam Hedley Consultancy Ltd | Henley-On-Thames | 2016 |
| Adam Hemmings Structural Solutions Ltd | Glasgow | 2019 |
| Adam Herbert Design Limited | Maldon | 2010 |
| Adam Hill Photography Limited | Hull | 2026 |
| Adam Hiscox Legal Services Ltd | Rugby | 2025 |
| Adam Holdings (Leeds) Limited | Leeds | 2014 |
| Adam Holdings (London) Limited | Nottingham | 2013 |
| Adam Holloway Architects Limited | London | 2016 |
| Adam House (UK) Limited | Bristol | 2007 |
| Adam HTT Limited | London | 2011 |
| Adam Hughes Wealth Management Ltd | Cardiff | 2018 |
| Adam in Eden Limited | Folkestone | 1998 |
| Adam J Walker and Associates Ltd | Rickmansworth | 2009 |
| Adam Jacobs Photography Limited | Eastbourne | 2013 |
| Adam James Byles Limited | Chobham | 2023 |
| Adam James Consulting Ltd | Loughborough | 2018 |
| Adam James Davies Ltd | Warrington | 2025 |
| Adam James Design Works Ltd | London | 2024 |
| Adam James Financial Services Limited | Hailsham | 2016 |
| Adam JOE Roberts Photography Ltd | Widnes | 2023 |
| Adam John Consulting Ltd | South Croydon | 2024 |
| Adam Johnson Advisory Limited | Hook | 2017 |
| Adam Johnson Promotions Limited | Newcastle Upon Tyne | 2007 |
| Adam Jones & Co Ltd | Birmingham | 2013 |
| Adam Jones Investments Limited | Halesowen | 2005 |
| Adam Joseph Blake Ltd | Marston Mortaine | 2013 |
| Adam Kang Photography Ltd | London | 2019 |
| Adam Kayani Ltd | London | 2024 |
| Adam Kettell Ltd | Wirral | 2018 |
| Adam Khan Architects Ltd | London | 2013 |
| Adam Khan Studio Ltd | London | 2026 |
| Adam Kick Limited | Crawley | 2026 |
| Adam King Consulting Ltd | London | 2023 |
| Adam Kirby Ltd | Leigh-On-Sea | 2024 |
| Adam Kirkaldy Limited | Kingston Upon Thames | 2019 |
| Adam Knibb Architects Ltd | Winchester | 2015 |
| Adam Knight Architects Ltd | London | 2026 |
| Adam Lang Limited | Altrincham | 2024 |
| Adam Language Services Limited | Shipley | 2026 |
| Adam Law Chambers Ltd | Barking | 2026 |
| Adam Law Solicitors Limited | Sheffield | 2012 |
| Adam Law UK Limited | Leicester | 2025 |
| Adam Lawrence Ltd | London | 2002 |
| Adam Ledger Property Lawyers Limited | Rochdale | 2018 |
| Adam Legal Services Solicitors Limited | London | 2006 |
| Adam Lewis Racing Ltd | Nantwich | 2022 |
| Adam Lofts Heating Limited | Eastbourne | 2010 |
| Adam Lorenc Design Ltd. | London | 2013 |
| Adam Mackenzie Ltd | Musselburgh | 2021 |
| Adam Male Consulting Limited | Hove | 2019 |
| Adam Management Holdings Ltd | London | 2021 |
| Adam Management Services Limited | Glasgow | 2021 |
| Adam Margetts Limited | Gerrards Cross | 2003 |
| Adam Marine Services Ltd | Buckie | 2013 |
| Adam Marketing Solutions Ltd | London | 2022 |
| Adam Mcevoy-Robinson Consulting Limited | Redmile | 2018 |
| Adam Mcnichol Ltd | Hebden Bridge | 2019 |
| Adam Mercer Financial Services Ltd | Hounslow | 2017 |
| Adam Mitchinson Ltd | Alresford | 2012 |
| Adam Molka Wedding Photography Ltd | London | 2017 |
| Adam Morris Communications Limited | Worthing | 2006 |
| Adam Mustafa Engineering Services Ltd | Stockport | 2019 |
| Adam Nader & Co Limited | London | 2022 |
| Adam Nice Design Limited | London | 2017 |
| Adam Orzechowski Ltd | London | 2012 |
| Adam Parker Limited | London | 2019 |
| Adam PAY Associates Limited | Reading | 1992 |
| Adam Philipson Limited | Halesowen | 2018 |
| Adam Plastics Holdings Limited | Glasgow | 2015 |
| Adam Powell Limited | Kidderminster | 2026 |
| Adam Power Associates Limited | Norwich | 2009 |
| Adam Prudens Law Limited | London | 2023 |
| Adam Quelch Video Limited | Camberley | 2016 |
| Adam Reed Hair Ltd | London | 2021 |
| Adam Reed London Ltd | London | 2025 |
| Adam REX Finance Limited | Bicester | 2024 |
| Adam Rhodes Consulting Limited | London | 2019 |
| Adam Richards Architects Limited | Upperton | 2006 |
| Adam Riedi Arboriculture Ltd. | Cupar | 2011 |
| Adam Rimmer Ltd | London | 2014 |
| Adam Roberts Consultancy Ltd | | 2004 |
| Adam Rose Aviation Ltd | Bournemouth | 2018 |
| Adam Ross Consulting Ltd | Southwark | 2023 |
| Adam Russell Ltd | London | 2012 |
| Adam Ryan Ltd | Oakham | 2018 |
| Adam Salah Ltd | London | 2025 |
| Adam Sandzer Connections Limited | London | 2025 |
| Adam Satesh Ltd | London | 2023 |
| Adam Savage Limited | London | 2022 |
| Adam Sewell Media Ltd | Rayleigh | 2021 |
| Adam Shaw Photography Limited | Melton Mowbray | 2014 |
| Adam Simmonds Consultant Limited | Worthing | 2018 |
| Adam Simmons and Associates Limited | Stoke-On-Trent | 2003 |
| Adam Simpson Limited | London | 2013 |
| Adam Sims and Company Limited | Littlehampton | 2011 |