| A P Riggs Limited | Basildon | 2023 |
| A P Roberts Ltd | Motcombe | 2007 |
| A P Roche Limited | Gloucestershire | 2007 |
| A P S Brickwork Limited | Wirral | 2007 |
| A P S GAS & Heating Limited | Maidstone | 2025 |
| A P S P Ltd | Stanmore | 2025 |
| A P Sale Building & Renovation Ltd | Ludlow | 2016 |
| A P Screeding Services Limited | Bedford | 2006 |
| A P Sharrocks Joinery & Building Limited | Thornton Cleveleys | 2016 |
| A P Shea Ltd | Manchester | 2024 |
| A P Shore Properties Limited | Wilmslow | 2016 |
| A P Smart Ltd | Devizes | 2020 |
| A P Smith Building and Brickwork Ltd | Shrewsbury | 2023 |
| A P Specialist Contractors Ltd | Doncaster | 2012 |
| A P Stanbridge Installations Ltd | Worthing | 2025 |
| A P Stephens & Sons Limited | Blandford Forum | 2003 |
| A P Tiling Limited | Newport | 2014 |
| A P Timber Frame Limited | Prenton | 2018 |
| A P Transport Glos. Limited | Cirencester | 2002 |
| A P Ward Building Services Ltd | Westerham | 2022 |
| A P Waters Building Contractors Limited | Pontypool | 2007 |
| A P Webb (Plant Hire) Limited | Stafford | 1987 |
| A P Windows & Doors Limited | South Croydon | 2012 |
| A P Wood Building Ltd | Sleaford | 2016 |
| A P Wood Electrical N/W Limited | Upton | 2020 |
| A Page Ltd | Portsmouth | 2017 |
| A Pair of Drips Ltd | Cardiff | 2025 |
| A Palmer Electrical Limited | Sidcup | 2014 |
| A Parish Heating Limited | Harrogate | 2015 |
| A Park Joiners Ltd | Larkhall | 2013 |
| A Park Joinery & Sons Ltd | Wigan | 2022 |
| A Park TM Ltd | Doncaster | 2023 |
| A Parker Scaffolding Ltd | Letchworth | 2014 |
| A Parker Solutions Ltd | Waterlooville | 2013 |
| A Parkes Construction Limited | Maidstone | 2006 |
| A Parrish Building Services Ltd | Plymouth | 2020 |
| A Parsons Decorating Ltd | London | 2022 |
| A Parsons Electrical Ltd | Littlehampton | 2017 |
| A Parsons Interiors Ltd | Mexborough | 2015 |
| A Passion for Plumbing Ltd | Richmond | 2025 |
| A Patching Estimating Services Limited | Belvedere | 2023 |
| A Patrick Builders Ltd | Ayr | 2010 |
| A Patrick Development Limited | Huddersfield | 2003 |
| A Patterson Installation Limited | County Durham | 2006 |
| A Peacey Building Limited | Lydney | 2016 |
| A Peachey Developments Limited | Cambridge | 2015 |
| A Peacock Ltd | Westerham | 2025 |
| A Pearson Electrical Limited | Colchester | 2009 |
| A Penfold Electrical Contractor Ltd | Bushey | 2008 |
| A Penrose and Sons Limited | Oswestry | 2021 |
| A Perfect Builder Limited | Sutton | 2021 |
| A Perfect Finish UK Ltd | London | 2014 |
| A Perfect Planet Solar Farm Limited | Aylesbury | 2021 |
| A Perry Plumbing and Heating Ltd | Carmarthen | 2026 |
| A Phillips Bathrooms Ltd | Burnley | 2019 |
| A Phillips Electrical Ltd | Chichester | 2024 |
| A Pickard Development Ltd | Liverpool | 2017 |
| A Pickstock Joinery Limited | Chorley | 2015 |
| A Piece of Art Limited | Birmingham | 2015 |
| A Piece of England Property Development Ltd | Ipswich | 2016 |
| A Pilling Designs Limited | Burnley | 2025 |
| A Pitman Plumbing & Heating Services Ltd | Glan Y Wern Road | 2017 |
| A Place in London Ltd | London | 2014 |
| A Plan Building & Maintenance Services Ltd | Stratford-Upon-Avon | 2005 |
| A Plan Service Ltd | Hallow | 2013 |
| A Plant Homes Ltd | Normanton | 2024 |
| A Plant Limited | Leamington Spa | 2026 |
| A Plumber on TAP Limited | Spalding | 2006 |
| A Plumbing & Heating Ltd | Hampton | 2021 |
| A Plummer Developments Ltd | Bury St Edmunds | 2021 |
| A Plus a Civils and Groundworks Limited | Blackpool | 2023 |
| A Plus Air-Conditioning Ltd | Canterbury | 2025 |
| A Plus Boilers Ltd | Liversedge | 2021 |
| A Plus Brickwork Ltd | Stevenage | 2013 |
| A Plus Brophy Construction Ltd | Fife | 2021 |
| A Plus Building Contractors Ltd | London | 2024 |
| A Plus Carpentry Ltd | Harlow | 2017 |
| A Plus Cleaning and Maintenance Ltd | Bromley | 2025 |
| A Plus Construction & Garden Studios Ltd | Walsall | 2017 |
| A Plus Construction London Ltd | London | 2019 |
| A Plus Construction Ltd | London | 2017 |
| A Plus Contracts Ltd | Whitchurch | 2018 |
| A Plus Driveways & Landscaping Ltd | Luton | 2022 |
| A Plus Efficiency Ltd | Morpeth | 2016 |
| A Plus Electrical Bolton Ltd | Bolton | 2014 |
| A Plus Electrical Services Ltd | London | 2024 |
| A Plus GAS and Plumbing Ltd | Harrogate | 2025 |
| A Plus GAS Plumbing Services Ltd | Birmingham | 2026 |
| A Plus Heat Control Ltd | Manchester | 2018 |
| A Plus Home Builders Ltd | Luton | 2018 |
| A Plus Home Improvements Ltd | Edinburgh | 2019 |
| A Plus Installations Ltd | Sutton | 2018 |
| A Plus Maintenance Ltd | Bishop'S Stortford | 2006 |
| A Plus Network Ltd | London | 2025 |
| A Plus Plastering Ltd | Bournemouth | 2021 |
| A Plus Plumbing & Heating Ltd | Swansea | 2019 |
| A Plus Properties Limited | London | 2022 |
| A Plus Rated Windows Limited | Lancing | 2014 |
| A Plus Refurbishment & Maintenance Ltd | Purley | 2021 |
| A Plus Training Ltd | Bexley | 2018 |