| A&S Plastering Services Ltd | London | 2026 |
| A&S Plumbing and Heating Solutions Ltd | Congleton | 2021 |
| A&S Prestige Ltd | Croydon | 2025 |
| A&S Project Management Ltd | London | 2016 |
| A&S Project Services Ltd | Chorley | 2019 |
| A&S Property Concepts Limited | Watford | 2020 |
| A&S Read Developments Ltd | Wrexham | 2017 |
| A&S Rendering Limited | Edgware | 2018 |
| A&S Roof Fit Ltd | Telford | 2015 |
| A&S Roof Repairs Ltd | Belfast | 2021 |
| A&S Roofcare Limited | Telford | 2025 |
| A&S Roofing and Upvc Ltd | Basildon | 2026 |
| A&S Roofing Ltd | Marlborough | 2012 |
| A&S Security Limited | Bradford | 2021 |
| A&S Steel Detailing Limited | Dunstable | 2014 |
| A&S Sussex Ltd | Worthing | 2019 |
| A&S Systems Limited | London | 2009 |
| A&S Utilities Ltd | Ashton | 2026 |
| A&S Waterproof Liquids Ltd | Colchester | 2020 |
| A&S Windows Craftsman Ltd | Southall | 2025 |
| A&Sh Brickwork Ltd | Waltham Cross | 2020 |
| A&Sh Construction Ltd | St. Albans | 2024 |
| A&T Air Conditioning and Refrigeration Limited | Bracknell | 2016 |
| A&T Bespoke Builds Ltd | Luton | 2025 |
| A&T Bespoke Renovations Ltd | Luton | 2026 |
| A&T Builders Ltd | Pudsey | 2024 |
| A&T Building Limited | London | 2023 |
| A&T Chatha Ltd. | Walsall | 2014 |
| A&T Complete Joinery Ltd | Sheffield | 2015 |
| A&T Construct Ltd | Waltham Cross | 2025 |
| A&T Contractor Ltd | London | 2019 |
| A&T Eco Ltd | Worthing | 2025 |
| A&T Facades Limited | Liverpool | 2019 |
| A&T H-Builders Ltd | London | 2023 |
| A&T Heating Limited | Redditch | 2026 |
| A&T Interior Solutions Limited | Bracknell | 2019 |
| A&T Joinery Services Ltd | Chorley | 2021 |
| A&T Ponds and Pools Ltd | Southampton | 2015 |
| A&T Pro Clean Services Ltd | Watford | 2024 |
| A&T Quality Decorating Ltd | London | 2023 |
| A&T Rendering Limited | Stanmore | 2016 |
| A&T Services Services Ltd | Rotherham | 2026 |
| A&T Tiling Specialists Limited | Dinas Powys | 2025 |
| A&Tu Property Limited | Fakenham | 2020 |
| A&U Building Renovations Ltd | Manchester | 2025 |
| A&U Scaffolding Ltd | Surbiton | 2022 |
| A&V Bland Ltd | Lincoln | 2022 |
| A&V Builders Ltd | Harrow | 2025 |
| A&V Construct Ltd | Dagenham | 2025 |
| A&V Decorators Ltd | London | 2026 |
| A&V Desing Ltd | Ilford | 2021 |
| A&V Fire Protection Ltd | Hayes | 2018 |
| A&V FIX Ltd | London | 2018 |
| A&V Joinery Ltd | Milton Keynes | 2026 |
| A&V Limited | Pinner | 2024 |
| A&V Mechanical Services Limited | Brentwood | 2024 |
| A&V Neagu Construction Ltd | Tilbury | 2025 |
| A&V Partners Ltd | London | 2021 |
| A&V Plastering Limited | London | 2018 |
| A&V Plumbing and Heating Ltd | London | 2022 |
| A&V Quality Constructions Ltd | Cheadle | 2022 |
| A&V Sharma Private Limited | London | 2024 |
| A&V Solution Ltd | Northampton | 2026 |
| A&V.Construction Ltd | Cardiff | 2018 |
| A&Vrenovation Ltd | Chatham Kent | 2023 |
| A&W (Electrical) Ltd | Bristol | 2015 |
| A&W Bricklaying and Construction Ltd | Swindon | 2018 |
| A&W Cleaning Solutions Ltd | St Albans | 2023 |
| A&W Construction and Renovation Ltd | London | 2023 |
| A&W Contractors Ltd | Northampton | 2023 |
| A&W Demolition (Bracknell) Ltd | Bracknell | 2023 |
| A&W Driveways Limited | Ossett | 2018 |
| A&W Epoxy Flooring Solutions Ltd | Manchester | 2026 |
| A&W Holdings Ltd | St Neots | 2017 |
| A&W LIS Limited | Hoddesdon | 2023 |
| A&W Sinclair Ltd | Wick | 2005 |
| A&X Developments Ltd | Brentwood | 2026 |
| A&Y Build Ltd | Dagenham | 2026 |
| A&Y Development Ltd | Birmingham | 2018 |
| A&Y Electrical Limited | Horsham | 2010 |
| A&Y Moussawi Ltd | London | 2019 |
| A&Y Refurbish Ltd | London | 2024 |
| A&Y Services Ltd | London | 2015 |
| A&Z Construction Ltd | London | 2020 |
| A&Z Contractors Limited | Bolton | 2022 |
| A&Z Development Group Ltd | London | 2022 |
| A&Z Future Ltd | London | 2025 |
| A&Z Houses Ltd | Oxford | 2018 |
| A&Z Joinery & Property Services Ltd | Dundee | 2025 |
| A&Z Painters Ltd | London | 2022 |
| A'Chruach Wind Farm Limited | London | 2008 |
| A'Hearne Cladding Ltd | Blackwood | 2025 |
| A'Lake Limited | London | 2010 |
| A'Tis-Eau Limited | Southend-On-Sea | 2006 |
| A+ Electrical Limited | Norwich | 2003 |
| A+R Central Heating & Boiler Repair Experts Ltd | Manchester | 1995 |
| A, S & G Carpentry and Maintenance Limited | Swindon | 2018 |
| A,C Excavation’S Ltd | Bury | 2022 |
| A,M. Roofing & Maintenance Ltd | Walsall | 2023 |
| A-1 Refurbishment Works Ltd | Slough | 2013 |