| A & S Clarke Developments Limited | Wisbech | 2023 |
| A & S Construction & Groundwork Limited | Whitby | 2005 |
| A & S Construction & Labour Limited | London | 2018 |
| A & S Construction Ltd | London | 2018 |
| A & S Consultants (UK) Limited | Bicester | 2007 |
| A & S Contract Flooring Services Ltd | Borehamwood | 2013 |
| A & S Contracting Services Limited | Wolverhampton | 2003 |
| A & S Contractors (NW) Limited | Chester | 2014 |
| A & S Cooling Ltd | Brighton | 2006 |
| A & S Cooling Services Limited | Norwich | 2009 |
| A & S Decorators Limited | Leeds | 2003 |
| A & S Developments (Maesteg) Limited | Port Talbot | 2008 |
| A & S Developments (West Mids) Limited | Sutton Coldfield | 2016 |
| A & S Drainage Limited | Perth | 2017 |
| A & S DRY Lining Limited | Fareham | 2001 |
| A & S Electrical Contractors Limited | Manningtree | 2015 |
| A & S Electrical Holdings Limited | Leeds | 1995 |
| A & S Electrical Leeds Ltd | Leeds | 2020 |
| A & S Electrical Solutions Limited | Bromsgrove | 2015 |
| A & S Enterprises Limited | Burton On Trent | 2001 |
| A & S Enterprises Mechanical and Electrical Services Limited | Burton On Trent | 2012 |
| A & S Façade Specialists Limited | Northwood Hills | 2021 |
| A & S Fencing Limited | Mansfield | 2008 |
| A & S FIX IT Wright Ltd | Wigston | 2022 |
| A & S Flooring (Swindon) Limited | Swindon | 2007 |
| A & S Formwork Limited | Newport | 2017 |
| A & S General Builders Ltd | Potters Bar | 2018 |
| A & S Heating and Plumbing Ltd | Eastbourne | 2011 |
| A & S Homes Limited | Leeds | 2015 |
| A & S Improvements Limited | Luton | 2021 |
| A & S Interior Developments Limited | Stansted Mountfitchet | 2008 |
| A & S Joiners Limited | Dunfermline | 2022 |
| A & S Kingdon Limited | Sidmouth | 2003 |
| A & S Kitchens (Nottingham) Ltd | Burton-On-Trent | 2026 |
| A & S Kolevi Ltd | London | 2021 |
| A & S Leeson Ltd | Bridlington | 2022 |
| A & S Long Limited | Congleton | 2000 |
| A & S Luisi Joiners & Contractors Limited | Kendal | 2002 |
| A & S Machine Sales Limited | Wotton-Under-Edge | 2024 |
| A & S Mechanical (N.I.) Ltd | Magherafelt | 2011 |
| A & S Metal Roof and Cladding Ltd | Whitstable | 2022 |
| A & S Plasterers and Building Contractors Limited | Washington | 2019 |
| A & S Plastering & Rendering Ltd | Kendal | 2018 |
| A & S Plumbing & Heating Services Ltd | Colchester | 2006 |
| A & S Professionals Ltd | West Thurrock | 2017 |
| A & S Property Contractors Ltd | Berkshire | 2001 |
| A & S Property Developers Limited | Chadwell Heath | 2025 |
| A & S Property Development Ltd | Hounslow | 2016 |
| A & S Property Developments Kent Limited | Margate | 2024 |
| A & S Property Maintenance & Building Contractors Limited | Wallington | 2001 |
| A & S Property Renovations Ltd | Chorley | 2015 |
| A & S Property Services Limited | Cheshire | 1994 |
| A & S Refurbishments Ltd | London | 2010 |
| A & S Retaining Structures Ltd | Halifax | 2017 |
| A & S Roofing and Building Ltd | Reigate | 2025 |
| A & S Ryan Limited | Shrewsbury | 2019 |
| A & S Scaffolding (Southern) Limited | Southampton | 2003 |
| A & S Scaffolding Supplies Ltd | Worthing | 2018 |
| A & S Sohi Builder Ltd | West Bromwich | 2022 |
| A & S Sopa Construction Limited | Luton | 2017 |
| A & S Tiling Ltd | London | 2010 |
| A & S Windows & Doors Limited | Bradford | 2023 |
| A & SA Joinery Ltd | Hayes | 2017 |
| A & T (Bristol) Limited | Nailsea | 2007 |
| A & T Barnes Limited | Norwich | 1998 |
| A & T Bathrooms Ltd | Porth | 2023 |
| A & T Building and Roofing Specialists Limited | Wellingborough | 2003 |
| A & T Building Services Limited | St. Albans | 2020 |
| A & T Butterworth Limited | Liverpool | 2019 |
| A & T Construction South West Ltd | Exeter | 2022 |
| A & T Design & Build Ltd | Shawforth | 2024 |
| A & T Developments Limited | Ambleside | 2002 |
| A & T Doors (Maintenance) Limited | Warwickshire | 1999 |
| A & T Doors Limited | Warwickshire | 1999 |
| A & T Electrical Limited | Mablethorpe | 2003 |
| A & T Electrical Services Limited | Cannock | 2006 |
| A & T Electrical Solutions Limited | Exmouth | 2017 |
| A & T Fire Protection Ltd | Halstead | 2024 |
| A & T Group ERB Ltd | London | 2016 |
| A & T GRP Water Tank Installation & Services Limited | Croydon | 2018 |
| A & T Highways Ltd | Darlington | 2008 |
| A & T Houghton Investments Limited | Ramsgate, Kent | 2020 |
| A & T Hughes Property Development Limited | Cross Hands | 2025 |
| A & T Interiors Ltd | Newquay | 2019 |
| A & T James Fencing Limited | Hereford | 2013 |
| A & T Joinery Ltd | Sheffield | 2008 |
| A & T Lamley Limited | Nuneaton | 1994 |
| A & T Macpheat Ltd | Sanquhar | 2025 |
| A & T Property Management Limited | Royston | 2003 |
| A & T Roofing Ltd | Rickmansworth | 2015 |
| A & T Scaffolding Limited | London | 2008 |
| A & T Stairs Ltd | Bromsgrove | 2019 |
| A & T Utilities Limited | Lincoln | 2019 |
| A & U (London) Ltd | Cardiff | 2013 |
| A & U Construction Ltd | London | 2021 |
| A & V Building Ltd | Barnet | 2019 |
| A & V Ceilings Limited | London | 2018 |
| A & V Developments Ltd | Taunton | 2021 |
| A & V Heating & Plumbing Ltd | Manchester | 2023 |
| A & V Hubbard Limited | Tamworth | 2020 |