| A.P. Openshaw Decorators Limited | Bolton | 2003 |
| A.P. Plant Ltd | Brixham | 2020 |
| A.P. Plastering Limited | Abernant Aberdare | 2002 |
| A.P. Plumbing Services Limited | Shoreham-By-Sea | 2018 |
| A.P. Refurbishment Limited | Buckhurst Hill | 2022 |
| A.P. Services (Louth) Limited | Louth | 2003 |
| A.P. Specialist Doors & Joinery Limited | Sandy | 2002 |
| A.P. Windows Limited | Stockport | 2005 |
| A.P.A Heating Ltd | Hailsham | 2024 |
| A.P.B Masonry Ltd | Bodmin | 2024 |
| A.P.B. Building Solutions Limited | Amblecote | 2013 |
| A.P.B. Group Limited | Stoke On Trent | 1986 |
| A.P.Brissett Properties Ltd | London | 2025 |
| A.P.C. Process Engineering Limited | Slinfold | 1986 |
| A.P.C. Water Engineers Limited | New Romney | 2025 |
| A.P.D. Decorating Ltd | Chigwell | 2004 |
| A.P.D.Liner Ltd | Bristol | 2017 |
| A.P.E Services Ltd | Steyning | 2019 |
| A.P.E. Fire Engineering Ltd | Manchester | 2018 |
| A.P.E. Ltd | West Yorkshire | 1998 |
| A.P.F. Scaffolding Services Ltd | Newbury | 2002 |
| A.P.Filipov Ltd | London | 2026 |
| A.P.G Services and Solutions Ltd | Worksop | 2026 |
| A.P.G Windows Ltd | Walsall | 2015 |
| A.P.G. Painting & Decorating Limited | Stowmarket | 2025 |
| A.P.H Groundworks Ltd | Stoke On Trent | 1997 |
| A.P.H. (Electrical Contractors) Ltd | Burntwood | 2003 |
| A.P.Kane Limited | Cardiff | 2007 |
| A.P.M Building Ltd | Chelmsford | 2020 |
| A.P.M Interiors Limited | Harlow | 2017 |
| A.P.M. (EA) Ltd | Ipswich | 2010 |
| A.P.M. (Manchester) Limited | Sale | 1996 |
| A.P.M. Management Limited | Weymouth | 1977 |
| A.P.M. Scaffolding Ltd | Hove | 2019 |
| A.P.P. Carpentry Limited | Bray On Thames | 2026 |
| A.P.R Glazing Limited | Andover | 2016 |
| A.P.R. Carpet Fitters Limited | Atlantic Street Altrincham | 2002 |
| A.P.R.A.S. North East Limited | Stockton On Tees | 2016 |
| A.P.S Building Services Ltd | Oldham | 2019 |
| A.P.S Erection Limited | Ludlow | 2009 |
| A.P.S Tiling & Bathrooms Limited | Hayes | 2018 |
| A.P.S. (GB) Ltd | Bromyard | 2013 |
| A.P.S. (Specialist Contractors) Limited | Hyde | 1995 |
| A.P.S. Complete Services Ltd | Nottingham | 2024 |
| A.P.S. Northern Limited | Wakefield | 2008 |
| A.P.S. Plant Services Limited | Chelmsford | 1991 |
| A.P.S. Plumbing Ltd | Bradford | 2025 |
| A.P.T. Services (Kent) Limited | Newington | 2000 |
| A.P.W. Plumbing and Heating Ltd | Cheltenham | 2015 |
| A.P.X. Limited | Milton Keynes | 1992 |
| A.Peters Ceramic Tiling Limited | Chesham | 2006 |
| A.Plummer Builders Limited | Bury St Edmunds | 2002 |
| A.Porter Ltd | London | 2024 |
| A.Powell Joinery Ltd | Glasgow | 2023 |
| A.Pugh Heating Ltd | West Byfleet | 2018 |
| A.Q. Services Limited | Chatham | 2004 |
| A.Q.D. Developments Ltd | Lancashire | 2003 |
| A.R Builder Contractor Ltd | Manchester | 2023 |
| A.R Curtis (Groundworks) Limited | Colchester | 2002 |
| A.R Electrical Contracting Limited | Doncaster | 2014 |
| A.R Lifting Solutions Ltd | St. Asaph | 2018 |
| A.R. & M.J. Harding Construction Limited | Bridport | 2010 |
| A.R. & V. Properties Limited | London | 2000 |
| A.R. Calvert (Leyburn) Limited | Leyburn | 1965 |
| A.R. Cartwright (Construction) Limited | Warwickshire | 1985 |
| A.R. Construction (NE) Ltd | Hartlepool | 2018 |
| A.R. Contracts Limited | Barnet | 1992 |
| A.R. Cook & SON (Plant Hire) Ltd. | Avenue Allington, Maidstone | 1995 |
| A.R. Cooper Builders Limited | Matlock | 2006 |
| A.R. Cover Limited | Faringdon | 2003 |
| A.R. Decorators Limited | North Yorkshire | 1992 |
| A.R. Electrical Limited | West Midlands | 2006 |
| A.R. Electrics Limited | Corby | 1998 |
| A.R. Folland &Co. Limited | Leicestershire | 1956 |
| A.R. Glazing & Building Services Limited | Tring | 2000 |
| A.R. Grundy Electrical Limited | Doncaster | 1998 |
| A.R. Gunner Limited | Surrey | 1997 |
| A.R. Harris Building Contractors Ltd | Wisbech | 2010 |
| A.R. Kershaw Limited | Manchester | 2010 |
| A.R. LEE Building Limited | Probus | 2011 |
| A.R. Leisure Park Installations Limited | Wellingborough | 2013 |
| A.R. Maintenance and Building Services Limited | London | 2003 |
| A.R. Moore Ltd | Horsham | 2007 |
| A.R. Spark Ltd | London | 2019 |
| A.R. Stockton & Co. (Holdings) Limited | Manchester | 2017 |
| A.R. Stockton & Co. (Property) Limited | Manchester | 2017 |
| A.R. Watson Building Contractors Limited | Loughton | 1996 |
| A.R. Whitefield Electrical Limited | Ilminster | 2023 |
| A.R.A Value Property Ltd | Gillingham | 2019 |
| A.R.B Plastering Ltd | Rotherham | 2022 |
| A.R.B Plumbing & Heating Ltd | Nantwich | 2018 |
| A.R.B. Electrical Ltd | Cardiff | 1996 |
| A.R.B. Loft Conversions Ltd | Heywood | 2020 |
| A.R.Bathrooms Limited | Knutsford | 2016 |
| A.R.Beveridge & Sons Ltd | Watford | 2018 |
| A.R.Bowden Electrical Contractor Ltd | Leominster | 2024 |
| A.R.C Build Limited | Brighton | 2026 |
| A.R.C Groundworks Ltd | Basingstoke | 2017 |
| A.R.C Labour Limited | London | 2005 |
| A.R.C Landscaping and Building Services Ltd | London | 2026 |