| A One Road and Path Sweepers Limited | Pudsey | 2004 |
| A One Security & FM Ltd | Peterborough | 2020 |
| A P a Management Services Limited | Aylesford | 2016 |
| A P Alarms (Lincoln) Ltd | Lincoln | 2013 |
| A P B Engineering Services Limited | Burnham On Crouch | 2011 |
| A P Broome Landscapes Limited | Preston | 2003 |
| A P Brown Limited | Helston | 2015 |
| A P Brush Wash Ltd | Thornton Heath | 2022 |
| A P Clarke Holdings Ltd | Woodbridge | 2023 |
| A P Cleaning & Service Ltd | Aberystwyth | 2019 |
| A P Cleanup Ltd | Thornton Heath | 2022 |
| A P Contractors Limited | Tring | 2003 |
| A P Goddard Limited | Portsmouth | 2009 |
| A P Hale Enterprises Ltd | Glasgow | 2018 |
| A P J Collins Ltd | Whiteley Bank | 2014 |
| A P James Maintenance Limited | Kington | 2023 |
| A P Jennings Limited | Eastleigh | 2014 |
| A P Jones & Sons Ltd | Wimborne | 2024 |
| A P Landscaping (Oxfordshire) Limited | Witney | 2018 |
| A P Landscaping and Building Services Ltd | Aylesbury | 2012 |
| A P Mitchell Solutions Limited | Leeds | 2015 |
| A P Pressure Wash Ltd | Northampton | 2020 |
| A P R Landscaping Services Limited | Lymington | 2025 |
| A P Recruitment Consultancy Ltd | Liverpool | 2022 |
| A P S Arks Limited | Launceston | 2005 |
| A P Security (APS) Ltd | Harrow | 2003 |
| A P Solutions 2022 Ltd | Stevenage | 2022 |
| A P Tree Contractors Limited | Leamington Spa | 2020 |
| A P Tree Services Limited | Leamington Spa | 2024 |
| A P West Ltd | Norwich | 2024 |
| A Palmer Maintenance and Landscaping Ltd | Peacehaven | 2020 |
| A Palmer Services Ltd | Plymouth | 2015 |
| A Partridge Ltd | Gloucester | 2003 |
| A Parvizi UK Ltd | Streatham | 2016 |
| A PAY Services Ltd | London | 2022 |
| A Perfect PA Limited | Bedford | 2017 |
| A Perfect Polish Limited | Newcastle Upon Tyne | 2022 |
| A Perfect Press Ltd | Liverpool | 2019 |
| A Perfect Pressure Ltd | Telford | 2025 |
| A Personal Taste Ltd | Pontypool | 2024 |
| A Piece of Travel Ltd | Wembley | 2025 |
| A Place Less Ordinary Ltd | Westerham | 2015 |
| A Place Setting Limited | Burnley | 2006 |
| A Place to Talk Limited | Wokingham | 2020 |
| A Plan B Limited | London | 2017 |
| A Plus Auto Care Ltd | Hyde | 2018 |
| A Plus Care Ltd | Bexhill-On-Sea | 2014 |
| A Plus Clean Ltd | Southampton | 2018 |
| A Plus Cleaner Ltd | Dumbarton | 2025 |
| A Plus Developments Limited | Lennoxtown | 2008 |
| A Plus Dynamics Recruitment Ltd | Chatham | 2022 |
| A Plus Education Recruitment Ltd | Walsall | 2026 |
| A Plus Resources Ltd | St. Helens | 2011 |
| A Plus S Cleaning Solutions Limited | Leeds | 2024 |
| A Plus Security & Electrical Ltd | Dartford | 2016 |
| A Plus Sourcing Ltd | Epsom | 2023 |
| A Plus Support Services Ltd | Southampton | 2024 |
| A Plus Travel Ltd | Southall | 2020 |
| A Pole Apart Ltd | Exeter | 2025 |
| A Polite Solution Limited | London | 2010 |
| A Pollock Sales & Hire Ltd | Coleraine | 2014 |
| A Poplar Tree Company Limited | Oldham | 2021 |
| A Positive View Limited | Dover | 2010 |
| A Pridmore Window Hygienist Limited | Denby | 2003 |
| A Pro Clean Limited | Ferndown | 2014 |
| A Pro Cleaning Services Ltd | Andover | 2025 |
| A Pro Tree & Landscaping Ltd | Neath | 2026 |
| A Problem Solved Ltd | London | 2020 |
| A Property Management Block Company (NO.2) Limited | London | 2022 |
| A Pullman Engineering Limited | Stockton-On-Tees | 2013 |
| A Q S Group Limited | Preston | 2008 |
| A Quality Service Ltd | Newport | 2011 |
| A Quality Solution Limited | Staffordshire | 2011 |
| A Quick Kill Pest Control Limited | Wolverhampton | 1995 |
| A Quinn Exterior Cleaning Ltd | Bournemouth | 2025 |
| A R Batchelor [Plant Hire] Limited | Berkhamsted | 2013 |
| A R C Cleaning (Devon) Limited | Exmouth | 2018 |
| A R Car Rentals Limited | Basildon | 2025 |
| A R Cleans Ltd | Horncastle | 2026 |
| A R Consultancy (International) Ltd | Harleston | 2017 |
| A R Consultant Services Limited | Salisbury | 2023 |
| A R Domestic Services Limited | Gainsborough | 2020 |
| A R Facilities Limited | Leamington Spa | 2026 |
| A R H Consultants Limited | Sutton Coldfield | 2008 |
| A R Jackson Ltd | Saltburn-By-The-Sea | 2018 |
| A R Keith Installations Limited | Rayleigh | 2003 |
| A R Landscapers Limited | Cardiff | 2017 |
| A R Landscaping Solutions Limited | Gillingham | 2014 |
| A R Mcleod Consulting Limited | Warminster | 2013 |
| A R National Group Limited | Edinburgh | 2025 |
| A R Plant Hire Limited | Christchurch | 2004 |
| A R Plant Limited | Nuneaton | 2009 |
| A R Resourcing Group Limited | York | 2010 |
| A R Smart Systems Ltd | Woodbridge | 2018 |
| A R Y Consulting Limited | Epsom | 2014 |
| A Ramsier Services Ltd | Coulsden | 2012 |
| A Randall Consultancy Limited | Bristol | 2022 |
| A Rasoolco Ltd | London | 2016 |
| A Ratcliffe Process Engineering Limited | Warrington | 2015 |
| A RAY of Light Community CIC | Solihull | 2026 |