| Adehenry Ltd | London | 2020 |
| Adeiladwaith HP Construction CYF | Caernarfon | 2025 |
| Adeireland Ltd | Sheffield | 2024 |
| Adeje Limited | Chester | 2007 |
| Adek Management Limited | Chatteris | 2006 |
| Adek Studios Limited | Rainham | 2021 |
| Adekay & Co Limited | London | 2005 |
| Adeko & Co Ltd | London | 2014 |
| Adel & Co Advocates Limited | London | 2021 |
| Adel Consult Ltd | Glasgow | 2014 |
| Adel DU Toit Consulting Limited | Andover | 2023 |
| Adel Management Consultancy Limited | Leeds | 2013 |
| Adel Property Consultants Ltd | Knottingley | 2018 |
| Adel Yachting Ltd | Torquay | 2024 |
| Adela Advisory Ltd | Morden | 2012 |
| Adela Booth Associates Limited | Crediton | 2003 |
| Adela Crystal Minerals Ltd | Leicester | 2024 |
| Adela Media Ltd | London | 2025 |
| Adelabu Park Holdings Limited | Kingston Upon Thames | 2025 |
| Adelahaye Ltd | Northampton | 2019 |
| Adelaide & Associates Ltd | London | 2021 |
| Adelaide Chambers Limited | Manchester | 2026 |
| Adelaide Clarke Legal Consultancy Ltd | London | 2026 |
| Adelaide Consultancy Ltd | Ashford | 2025 |
| Adelaide Holdings Ltd | Romford | 2016 |
| Adelaide Investment (Holdings) Ltd | London | 2018 |
| Adelaide Investments Ltd | Old Windsor | 2002 |
| Adelaide Property Holdings Limited | Henfield | 1994 |
| Adelaide ST. Limited | Northampton | 2025 |
| Adelaide UK Limited | Hertfordshire | 1995 |
| Adelanta Consulting Ltd | London | 2005 |
| Adelantado Solutions Limited | London | 2013 |
| Adelante Central Europe Ltd | London | 2023 |
| Adelante Change Consulting Ltd | Faringdon | 2023 |
| Adelante Coaching & Training Ltd | London | 2025 |
| Adelanto London Ltd | London | 2019 |
| Adelantum Limited | Reading | 2021 |
| Adele Baird Ltd | Lanark | 2025 |
| Adele Birchall Interiors Ltd | London | 2025 |
| Adele Cany Consulting Ltd | London | 2016 |
| Adele Chee Consulting Ltd | London | 2023 |
| Adele Hook Learning Design Ltd | Nottingham | 2024 |
| Adele Joy - Celebrant Limited | Telford | 2023 |
| Adele Leyris Limited | London | 2015 |
| Adele Marshall Consultancy Ltd | Market Drayton | 2025 |
| Adele Middler Ltd | Aberdeen | 2023 |
| Adele Morris Photography Limited | Porthcawl | 2019 |
| Adele Napier Consulting Ltd | Forres | 2023 |
| Adele Stickland Wellbeing Consultant Ltd | Exeter | 2017 |
| Adele Ward Communications Ltd | Hornchurch | 2009 |
| Adele Waters Wealth Management Ltd | Colchester | 2021 |
| Adele Wills Limited | Halifax | 2012 |
| Adelee Limited | Stalybridge | 2023 |
| Adeleke Commercial Advisory Ltd | Buckinghamshire | 2026 |
| Adelfi Accounting and Bookkeeping Ltd | Welwyn Garden City | 2020 |
| Adelgate Finance Ltd | London | 2012 |
| Adelgeo Ltd | London | 2022 |
| Adelheid Marine Consultants Limited | London | 2023 |
| Adelic Ltd | Wigan | 2026 |
| Adelicious Limited | London | 2020 |
| Adelie Advisors UK Ltd | London | 2021 |
| Adelie Creative Ltd | London | 2016 |
| Adelie Services Ltd | Manchester | 2009 |
| Adelie Sustainability Ltd | Harrogate | 2024 |
| Adelina Infra Limited | Surbiton | 2025 |
| Adellco Ltd | Aylesbury | 2007 |
| Adello UK Ltd | London | 2013 |
| Adellus Ltd | London | 2021 |
| Adelmara Limited | Edgware | 2022 |
| Adelphe Ltd | London | 2021 |
| Adelphi Alegria Properties | Gibraltar | 1997 |
| Adelphi Architecture Ltd | Riding Mill | 2019 |
| Adelphi Automation Ltd | Stockport | 2012 |
| Adelphi Bloodstock Ltd | Chesterfield, Derbyshire | 2021 |
| Adelphi Castle Limited | Sale | 1999 |
| Adelphi Consultants Ltd | Banchory | 2026 |
| Adelphi Consulting Engineers (NE) Ltd | Riding Mill | 2025 |
| Adelphi Consulting Engineers Ltd | Riding Mill | 2018 |
| Adelphi Holdings (UK) Limited | Macclesfield | 2012 |
| Adelphi International Research Limited | London | 1989 |
| Adelphi Law Ltd | London | 2026 |
| Adelphi Secretaries Limited | Northwood | 1961 |
| Adelphi Support and Development Ltd | Poole | 2025 |
| Adelphi Systems Limited | Worthing | 1998 |
| Adelphia Solutions Limited | Horsham | 2020 |
| Adelphian Ltd | Leamington Spa | 2023 |
| Adels Consult Ltd | Telford | 2025 |
| Adelstow Advisory Limited | Maidenhead | 2024 |
| Adelus Consulting Limited | Reading | 2011 |
| Adelux Consulting Limited | Norwich | 2014 |
| Adelvia Group Ltd | London | 2025 |
| Adelwood Capital Limited | London | 2026 |
| Adem Tailoring Ltd | Buckhurst Hill | 2020 |
| Adem Trading Ltd | London | 2020 |
| Adema Consulting Limited | Dunmow | 2024 |
| Adema Group Ltd | London | 2015 |
| Adembo Design & Engineering Limited | Leamington Spa | 2012 |
| Ademchic Ltd | London | 2016 |
| Ademeji Multimedia Limited | London | 2024 |
| Ademel Consulting Ltd | London | 2015 |