| Advanced Maintenance UK Limited | Reading | 1998 |
| Advanced Masonry Ltd | Loanhead | 2025 |
| Advanced Masonry Solutions Ltd | Ashby-De-La-Zouch | 2012 |
| Advanced Material Logistics UK Limited | London | 2013 |
| Advanced Mechanical Services Limited | Essex | 2004 |
| Advanced Mechanical Solutions (South Wales) Limited | Newport | 2016 |
| Advanced Mechanical Solutions Limited | Benfleet | 2015 |
| Advanced Metal Finishers Limited | Leigh On Sea | 2011 |
| Advanced Mini Piling Systems Limited | Taunton | 2005 |
| Advanced Modern Methods of Construction Limited | Holyhead | 2022 |
| Advanced Modular Management Solutions Limited | Gilberdyke | 2015 |
| Advanced MP Plumbing & Heating Ltd | London | 2013 |
| Advanced Network Group Ltd | London | 2026 |
| Advanced NI Scaffolding Ltd | Newtownabbey | 2011 |
| Advanced Office Interiors Limited | Eastleigh | 2014 |
| Advanced Offsite Systems Limited | Huntingdon | 2024 |
| Advanced Overwatch Limited | Coleraine | 2017 |
| Advanced Painters of Dulwich Luxury Finishes Limited | York | 2023 |
| Advanced Painting Solutions Ltd | Mansfield | 2021 |
| Advanced Partitions Ltd | Horsham | 2022 |
| Advanced Paving & Resin Ltd | Brierley Hill | 2026 |
| Advanced Paving and Civils Limited | Sheffield | 2015 |
| Advanced Paving and Construction Ltd | Bridlington | 2016 |
| Advanced Paving Limited | Grantham | 2018 |
| Advanced PHE Contractors Limited | London | 2021 |
| Advanced Pipe Inspection (UK) Ltd | Derby | 2009 |
| Advanced Pipelines Limited | Wigan | 2011 |
| Advanced Plastering & Property Systems Limited | Stockport | 2015 |
| Advanced Plastering Services (Greenock) Limited | Greenock | 2012 |
| Advanced Plastering Solutions Ltd | Chichester | 2022 |
| Advanced Plumbing & Heating (Bristol) Limited | Bristol | 2002 |
| Advanced Plumbing & Heating Solutions Ltd | Liverpool | 2025 |
| Advanced Plumbing & Maintenance Limited | Blackpool | 2013 |
| Advanced Plumbing (Leicester) Limited | Leicester | 2002 |
| Advanced Plumbing and Heating Engineers Ltd | York | 2026 |
| Advanced Plumbing and Heating Limited | Bristol | 1989 |
| Advanced Plumbing and Heating Maintenance Services Ltd | Bedfordshire, Flitwick | 2024 |
| Advanced Plumbing and Heating Services Ltd | Erskine | 2020 |
| Advanced Plumbing Ltd | | 2006 |
| Advanced Plumbing Solutions (North East) Limited | Bishop Auckland | 2009 |
| Advanced Plumbing Solutions Ltd | Worthing | 2021 |
| Advanced Plumbing Systems Limited | Chelmsford | 2012 |
| Advanced Pools Service Limited | Bromsgrove | 2001 |
| Advanced Portable Roadway Ltd | Aylesbury | 2005 |
| Advanced Power Developments Limited | London | 1986 |
| Advanced Power Installations Ltd | Glasgow | 2019 |
| Advanced Power Services Limited | Worthing | 2010 |
| Advanced Preservation Services Ltd | South Shields | 2019 |
| Advanced Preservation Specialists Ltd. | | 2000 |
| Advanced Preservations Limited | Ash Vale | 2006 |
| Advanced Pressure Testing Limited | Derby | 2013 |
| Advanced Pro Electro Mechanical UK Ltd | Chessington | 2020 |
| Advanced Proactive Roofers and Guttering Services Limited | Ashtead | 2019 |
| Advanced Process Limited | Birmingham | 2015 |
| Advanced Professional Projects Limited | Huddersfield | 2020 |
| Advanced Project Services Ltd | Lydney | 2024 |
| Advanced Project Solutions Group Ltd | Yateley | 2019 |
| Advanced Projects Ltd | London | 2025 |
| Advanced Projects Westwood Group Limited | Walsall | 2024 |
| Advanced Properties (Midlands) Ltd | Derby | 2025 |
| Advanced Property and Holdings Ltd | Norwich | 2021 |
| Advanced Property Care Ltd | Manchester | 2018 |
| Advanced Property Group Limited | London | 2022 |
| Advanced Property Improvements Limited | Clay Cross | 2024 |
| Advanced Property Maintenance (Surrey) Limited | Eastbourne | 2008 |
| Advanced Property Maintenance Limited | London | 2014 |
| Advanced Property Matters Ltd | South Croydon | 2021 |
| Advanced Property Protection Limited | Portsmouth | 2014 |
| Advanced Property Services (South West) Limited | Plymouth | 2014 |
| Advanced Property Services Limited | Shepperton | 2006 |
| Advanced Property Services Southeast Limited | Tonbridge | 2026 |
| Advanced Property Services UK Limited | Newark | 2003 |
| Advanced Property Solutions (South West) Ltd | Monmouth | 2016 |
| Advanced Property Solutions (UK) Ltd | Croydon | 2013 |
| Advanced Property Solutions Group Ltd | Yateley | 2023 |
| Advanced Rack Inspections Ltd | Thetford | 2025 |
| Advanced Racking Solutions Limited | Watford | 2018 |
| Advanced Refrigeration Contractors Limited | Wisbech | 2003 |
| Advanced Refrigeration Services Ltd | Romford | 2019 |
| Advanced Refurbishments Ltd | Cardiff | 2018 |
| Advanced Render Centre Limited | Barrow In Furness | 2023 |
| Advanced Rendering Ltd | Gravesend | 2017 |
| Advanced Renewable Energies Limited | Sutton | 2024 |
| Advanced Renewable Energy Supplies Ltd | Deeside | 2023 |
| Advanced Renovations & Joinery Limited | Durham | 2019 |
| Advanced Renovations Ltd | Longfield | 2023 |
| Advanced Repointing (UK) Limited | Bicester | 2003 |
| Advanced Research Clusters Developments Limited | Didcot | 1998 |
| Advanced Residential Construction Limited | Nottingham | 2019 |
| Advanced Residential Maintenance Ltd | Rugby | 2024 |
| Advanced Resin (Group) Limited | Brentwood | 2019 |
| Advanced Resin Flooring Ltd | Hull | 2022 |
| Advanced Resin Solutions Croydon Limited | Croydon | 2021 |
| Advanced Resin Solutions Ltd | Langport | 2016 |
| Advanced Resin Systems Limited | Hull | 2019 |
| Advanced Resin Technologies (International) Ltd | Ilkeston | 2020 |
| Advanced Ripening Technologies Limited | Wigan | 2002 |
| Advanced Roof Solutions Ayrshire Limited | Kilmarnock | 2022 |
| Advanced Roof Testing Ltd | Horsham | 2020 |
| Advanced Roofers Limited | Ruislip | 2023 |