| A W Plumbing and Heating Norfolk Ltd | Norwich | 2020 |
| A W Plumbing and Heating UK Limited | Bolton | 2008 |
| A W Pollard Properties Limited | Barmbyon The Marsh | 2003 |
| A W Powis Limited | Cannock | 2009 |
| A W Properties (South Wales) Ltd | Aberpennar | 2021 |
| A W Property Ltd | Aberdeen | 2018 |
| A W R Construction Limited | Stanford-Le-Hope | 2007 |
| A W R Fencing Limited | Battle | 2022 |
| A W R Jamison Limited | Craigavon | 2005 |
| A W Renewables Limited | Ilkley | 2008 |
| A W Rigging Limited | Derby | 2018 |
| A W Roadways Ltd | Oldham | 2008 |
| A W Roofing & Roughcasting Limited | Whitburn | 2018 |
| A W Roofing Contractors Limited | Newcastle Under Lyme | 2014 |
| A W Roofing Limited | Norwich | 2007 |
| A W Roofing Services Ltd | Halesowen | 2018 |
| A W Rushen Building Services Limited | Kent | 2003 |
| A W Scaffolding (South West) Ltd | Bournemouth | 2006 |
| A W Steel Limited | Clacton-On-Sea | 2023 |
| A W UK Contractors Ltd | Borehamwood | 2013 |
| A W Walker Building Contractors Limited | Evesham | 2010 |
| A W Warwick Brickwork Limited | Reading | 2003 |
| A W Wilson Groundworks Ltd. | Alnwick | 2013 |
| A W Windows Ltd | Maulden | 2013 |
| A Wagland Ltd | Rochester | 2025 |
| A Wain Builders Limited | Nottingham | 2008 |
| A Wainwright GAS & Heating Services Ltd | Llanrwst | 2019 |
| A Wake Developments Limited | Epsom | 2012 |
| A Wake Joinery Ltd | Darlington | 2023 |
| A Wakeman Electrical Services Limited | Kidderminster | 2008 |
| A Walden Installations Limited | Chelmsford | 2001 |
| A Walker Roofing Limited | Handcross | 2026 |
| A Walklett Plastering Ltd | Swindon | 2023 |
| A Walsh and Sons Building Contractors Ltd. | Chigwell | 2012 |
| A Walsh Flooring Ltd | Maidstone | 2024 |
| A Walsh Projects Ltd | London | 2022 |
| A Walters Limited | London | 2003 |
| A Walton Electrical Services Limited | Winsford | 2019 |
| A Walton Stone & Masonry Ltd | Liskeard | 2023 |
| A Wandless Sign Services Limited | Loughborough | 2002 |
| A Warburton Building Services Limited | Bury | 2012 |
| A Ward Construction Ltd | Bexhill On Sea | 2012 |
| A Ward Painting and Decoration Limited | Manchester | 2003 |
| A Ward Plumbing and Heating Ltd | York | 2019 |
| A Ward Roofing Ltd | Cambridge | 2025 |
| A Wardle Builders Limited | Manchester | 2010 |
| A Wardley and SON Ltd | Alfreton | 2022 |
| A Wareham Limited | Heathfield | 2025 |
| A Waterfield & Sons Limited | Diss | 2004 |
| A Watertight Solution Ltd | Glasgow | 2012 |
| A Watkins Building Services Limited | Cardiff | 2017 |
| A Watson Decorators Limited | Sheffield | 2018 |
| A Watson Plastering Ltd | Limavady | 2019 |
| A Watson Roofing Ltd | Inverness | 2014 |
| A Watson Services Limited | Great Yarmouth | 2025 |
| A Watts Plumbing & Heating Ltd | Street | 2025 |
| A Watts Roofing Limited | Newbury | 2025 |
| A Weaver Electrical Limited | Birmingham | 2014 |
| A Weissenburger Ltd | Northampton | 2023 |
| A Welbourne Flooring Limited | Wisbech | 2017 |
| A Welland Electrical Limited | Huntingdon | 2017 |
| A Wells Construction Management Ltd | Bideford | 2026 |
| A Wells Electrical Ltd | Battle | 2025 |
| A Werrett Civil Engineering Ltd | Worcester | 2025 |
| A Wesley Air Conditioning Limited | Milton Keynes | 2003 |
| A West Construction Management Ltd | Newton Abbot | 2012 |
| A Westley Construction Ltd | Sawston | 2006 |
| A Whamond Construction Tech Limited | Dumbarton | 2025 |
| A Whieldon Services Ltd | Bromsgrove | 2019 |
| A White Bathroom Company Limited | Leafield | 2003 |
| A Whitehead Building Services Ltd | Solihull | 2026 |
| A Whittaker Roofing Ltd | Deal | 2022 |
| A Whole World of Fencing Solutions Limited | Preston | 2014 |
| A Wicks Solutions Ltd | Ipswich | 2017 |
| A Wilcox Joinery Limited | Nottingham | 2021 |
| A Wild Quality Lifting Ltd | Chorley | 2014 |
| A Wildman Limited | Dudley | 2014 |
| A Wileman Joinery Ltd | Swadlincote | 2012 |
| A Wilkinson Building Services Limited | Nottingham | 2014 |
| A Wilkinson-Jones Limited | Newcastle | 2007 |
| A Williams Building Services Ltd | Rugby | 2014 |
| A Williams Contract Services Limited | Abercynon | 2009 |
| A Williams Electrical Ltd | Cambridge | 2022 |
| A Williams Groundworks Limited | Durham | 2020 |
| A Williams Heating Ltd | Epsom | 2019 |
| A Williams Plumbing & Heating Services Limited | High Peak | 2003 |
| A Williamson Contracting Limited | Sheffield | 2011 |
| A Willis Plumbing and Heating Limited | Swindon | 2015 |
| A Wilson Building Services Ltd | Selby | 2026 |
| A Wilson Contracts Ltd | Armagh | 2010 |
| A Wilson Joinery Ltd | Ripon | 2024 |
| A Wilson Plastering Ltd | London | 2018 |
| A Wilson Plumbing & Heating Engineers Ltd | Trowbridge | 2010 |
| A Wilson Roofing Limited | Shepperton | 2022 |
| A Wilson Welding Limited | Tillicoultry | 2016 |
| A Windmill Electrics Limited | London | 2016 |
| A Winn Electrical Services Limited | Plymouth | 2018 |
| A Wise Roofing Ltd | Rochester | 2009 |
| A Wise Solution Ltd | Wokingham | 2023 |
| A Wisely Flooring Ltd | Fraserburgh | 2014 |