| Adidev Universal Power Ltd | Torrington | 2025 |
| Adies York Ltd | Leeds | 2021 |
| Adifix Ltd | Romford | 2024 |
| Adig Ltd | Dagenham | 2017 |
| Adiglaze Ltd | Bordon | 2019 |
| Adigun Ayodeji Limited | London | 2020 |
| Adiix Ltd | London | 2023 |
| Adika Build Ltd | Bromsgrove | 2025 |
| Adilec Ltd | Ibstock | 2023 |
| Adiliana Limited | Loughton | 2024 |
| Adils Plumbing and Heating Ltd | Middlesbrough | 2024 |
| Adim Plumbing Heating & Building Services Ltd | Hertford | 2019 |
| Adimax Ltd | Wellingborough | 2025 |
| Adimo Company Ltd | London | 2019 |
| Adimson Comas Limited | London | 2017 |
| Adina Developments Ltd | Selby | 2015 |
| Adina Financial Services Ltd | London | 2023 |
| Adina&Tav Construction Ltd | London | 2021 |
| Adinam Services Limited | Ely | 2022 |
| Adines Group Ltd | Nottingham | 2026 |
| Adinq Limited | London | 2018 |
| Adinsons Limited | Sheffield | 2014 |
| Adion Builders Ltd | Edgware | 2022 |
| Adion Contractors Ltd | Romford | 2018 |
| Adioni Ltd | London | 2025 |
| Adior Construction Ltd | Gillingham | 2020 |
| Adios Asbestos UK Ltd | London | 2020 |
| Adira Build Ltd | Cheltenham | 2012 |
| Adiray Construct Ltd | Luton | 2025 |
| Adirobert Interiors Ltd | Maidenhead | 2019 |
| Adis Developments Ltd | Bradford | 2020 |
| Adis Group Ltd | Stanmore | 2020 |
| Adis Roofing Ltd | Swansea | 2025 |
| Adis Team Construction Ltd | South Croydon | 2020 |
| Adisonbro Global Ltd | Dunstable | 2024 |
| Adisonbro Limited | Dunstable | 2017 |
| Adistate Ltd | Bristol | 2017 |
| Adithya Telecom Group Ltd | London | 2022 |
| Aditum Services Ltd | London | 2025 |
| Aditya Builders Limited | Grays | 2026 |
| Aditya Design and Build Limited | Pinner | 2019 |
| Adiuvo - Management Projects Limited | Redhill | 2012 |
| Adivo - Buntingbridge Road Limited | Beaconsfield | 2019 |
| Adivo Homes Limited | Beaconsfield | 2018 |
| Adiz Properties Limited | London | 2026 |
| ADJ (Power) Limited | Pontefract | 2015 |
| ADJ Bayliss Building Limited | Tenbury Wells | 2021 |
| ADJ Builders Limited | Barnet | 2021 |
| ADJ Commissioning Limited | Walsall | 2014 |
| ADJ Construction Limited | Newry | 2011 |
| ADJ Construction Services Ltd | Gloucester | 2026 |
| ADJ Contractors Limited | Holmfirth | 2026 |
| ADJ Contracts Limited | Halstead | 2014 |
| ADJ Creations Limited | Sidcup | 2017 |
| ADJ Electrical & Maintenance Ltd | Luton | 2023 |
| ADJ Electrical Limited | Northwich | 2017 |
| ADJ Group Ltd | Portsmouth | 2018 |
| ADJ Joiners & Contractors Ltd | Lossiemouth | 2024 |
| ADJ Maintenance Limited | Worthing | 2010 |
| ADJ Plumbing & Property Services Limited | Port Talbot | 2026 |
| ADJ Plumbing and Heating Ltd | Rugeley | 2010 |
| ADJ Production Limited | Rainham | 2021 |
| ADJ Property Services Limited | Halifax | 2022 |
| Adjam Limited | Swansea | 2004 |
| Adjl Technical Services Ltd | Stockton-On-Tees | 2025 |
| Adjust Property Limited | Ramsgate | 2022 |
| Adjustit Limited | Basildon | 2025 |
| ADK 24HR Building Maintenance Ltd | Manchester | 2013 |
| ADK Build Ltd | London | 2023 |
| ADK Builders Limited | Wisbech | 2024 |
| ADK Building Services Ltd | Portsmouth | 2018 |
| ADK Building Solutions Ltd | Sutton | 2015 |
| ADK Construction and Carpentry Limited | Woking | 2020 |
| ADK Constructions Ltd | Dartford | 2013 |
| ADK Contractors Limited | Swindon | 2017 |
| ADK Decor Ltd | Dagenham | 2024 |
| ADK Drylining Ltd | Aberdare | 2026 |
| ADK Electrical Limited | Croydon | 2025 |
| ADK Project Management Ltd | Southall | 2017 |
| ADK Property Developments Limited | Evesham | 2013 |
| ADK Roofing Limited | Lancaster | 2024 |
| ADK Site Services Ltd | Deeside | 2021 |
| Adk's Shopfitting UK Ltd | Nottingham | 2019 |
| Adk-M Limited | Gravesend | 2023 |
| Adkat Building Maintenance Ltd | Southport | 2024 |
| Adkbella Limited | London | 2025 |
| Adke (BR) Limited | St. Ives | 2025 |
| Adke Investments Limited | London | 2020 |
| Adke Limited | St. Ives | 2012 |
| Adkin & Sons Building Developments Ltd | Skipton | 2022 |
| Adkin and Thackray Roofing Ltd | Leeds | 2022 |
| Adkin Construction Ltd | Glasgow | 2019 |
| Adkin Joinery Ltd | Leeds | 2025 |
| Adkin Mechanical Services Ltd | Little Eaton | 2012 |
| Adkins Consultants Limited | Maidstone | 2011 |
| Adkins Consulting Ltd | Maidstone | 2024 |
| Adkins Electrical Services Ltd | Bromsgrove | 2022 |
| Adkins Renovations Ltd | Milton Keynes | 2020 |
| ADL Plastering Limited | Dundee | 2022 |
| ADL (Southern) Ltd | Slough | 2019 |