| Pipeflow Drainage Solutions Ltd | Dartford | 2021 |
| Pipehealers Limited | Edgware | 2025 |
| Pipeline Drain Solutions Ltd | Chelmsford | 2008 |
| Pipeline Surveys Ltd | Belper | 2024 |
| Pipeline Water Connections Ltd | Manchester | 2026 |
| Pipeprep Water Services Ltd | Ashford | 2025 |
| Pipers Hygiene Services Ltd | Bournemouth | 2018 |
| Pips Skips Limited | Stowmarket | 2011 |
| Pitstop Drainage Limited | Ashford | 2016 |
| Pivotal Plant Hire Limited | Stockport | 2019 |
| Piya Furnitures Limited | Wembley | 2022 |
| PJ Bradbury Consulting Ltd | Sheffield | 2026 |
| PJ Dixon Services Ltd | Penrith | 2010 |
| PJ Environmental Limited | Wirral | 2004 |
| PJ Markwell Oils & Energy Ltd | Preston | 2013 |
| PJ Materials Ltd | Greenford | 2011 |
| PJ Tips Limited | Erith | 2025 |
| PJ Van Services Ltd | Glasgow | 2025 |
| Pjalc Ltd | Cardiff | 2014 |
| PJM Drainage Services Ltd | Rochford | 2022 |
| PJM Services Ladybank Limited | Ladybank | 2021 |
| PJR Consultancy Ltd | Manchester | 2009 |
| PJT Pumping Services Limited | Gloucester | 1995 |
| PK Tyre Collection Limited | Ludgershall | 2023 |
| PK Waste Management Ltd | Ashford | 2023 |
| PL Transport Logistics Limited | Royal Victoria Docks | 2015 |
| PLACE4WASTE Ltd | Stroud | 2019 |
| Plan B Management Solutions Limited | Great Yarmouth | 2006 |
| Planco Removals Ltd | London | 2019 |
| Planet Earth Recycling Ltd | Bradford | 2021 |
| Planet Ecotech Consulting Limited | Pudsey | 2025 |
| Planet Ecotech UK Holdings Limited | Pudsey | 2025 |
| Planetphilia Ltd | London | 2023 |
| Planned-Scapes Ltd | Leamington Spa | 2016 |
| Plant the Seed Education Ltd | Windsor | 2025 |
| Plantwork Systems Ltd | Alton | 2010 |
| Plasposal Ltd | London | 2019 |
| Plasterboard Recycling Limited | Ashford | 2009 |
| Plasterboard Recycling Solutions Limited | Darlington | 2010 |
| Plastic and Metal Recycling Limited | Wolverhampton | 2011 |
| Plastic Compounders Yorkshire Ltd | Leeds | 2008 |
| Plastic Mill Ltd | London | 2019 |
| Plastic Regrind Sales North-East Limited | Stockton On Tees | 2021 |
| Plastic Ridders Limited | Stoke-On-Trent | 2025 |
| Plastic Solutions Accrington Ltd | Nelson | 2019 |
| Plastic Waste Recycling Ltd | Manchester | 2024 |
| Plastic Worx UK Ltd | Hyde | 2013 |
| Plastico Group Ltd. | Cardiff | 2008 |
| Plastics Recycling Limited | Carmarthenshire | 2003 |
| Plastrade Ltd | Wellingborough | 2014 |
| Platinum 1 Removals Limited | Greenford | 2023 |
| Platinum Clearance Ltd | Loughton | 2026 |
| Platinum House Clearance Services Ltd | King'S Lynn | 2022 |
| Platinum International Services Ltd | Wakefield | 2019 |
| Platinum MK Limited | Milton Keynes | 2021 |
| Platinum Plumbing & Drainage Ltd | London | 2026 |
| Platinum Property Maintenance Ltd | London | 2024 |
| Platinum Recover and Repair Limited | Petersfield | 2026 |
| Platinum Recoveries Limited | London | 2013 |
| Platinum Skip Hire Hull Ltd | Beverley | 2021 |
| Plenilune International Trade Ltd | Bicester | 2016 |
| Plexstar Limited | Wigan | 2003 |
| PLM (UK) Limited | Oxford | 2013 |
| PLP (Ireland) Limited | Newry | 2005 |
| Plumb Drain and Maintain Ltd | Leighton Buzzard | 2013 |
| Plumb Polymers Limited | Doncaster | 2000 |
| Plumbers 365 Global Ltd | Birmingham | 2025 |
| Plumbing Heating Drainage Ltd | Clacton-On-Sea | 2017 |
| Plumview Limited | Peterborough | 1982 |
| Plus UAE Limited | London | 2015 |
| Plus Vans Group Ltd | Wembley | 2025 |
| Plus Waste Ltd | London | 2025 |
| Plush Interiors and Exterior Ltd | Sutton Coldfield | 2014 |
| Plym Waste Removals Ltd | Ivybridge | 2023 |
| Plymouth Contract Waste Ltd | Plymouth | 2021 |
| Plymouth Drain Services Ltd | Plymouth | 2023 |
| Plymouth Pet Cremations Ltd | Newton Abbot | 2026 |
| Plymouth Scrap Metals Ltd | Plymouth | 2024 |
| Plymouth Skip BAG Hire Ltd | Plymouth | 2025 |
| Plymouth Skip Hire Ltd | Plymouth | 2021 |
| PM Drainage Ltd | Peacehaven | 2019 |
| PM Partnership Ltd | Wishaw | 2025 |
| PM Plant Hire (SW) Limited | Bristol | 2013 |
| PM Recycle Limited | Wigan | 2001 |
| PM Skip Hire Limited | Abbots Langley | 2006 |
| PMA Consultancy Ltd | Beverley | 2012 |
| PMC Waste Management Ltd | Ongar | 2026 |
| PMF Recycling Ltd | London | 2020 |
| PMK Recycling Limited | Lincolnshire | 2005 |
| PMK Tipping Ltd | Lincoln | 2019 |
| PMW Plant Ltd | St. Asaph | 2021 |
| PNE Water Services Ltd | Northwich | 2017 |
| PNP75 Limited | Birmingham | 2019 |
| POD Process Limited | Mexborough | 2012 |
| POD Skips and Recycling Limited | Bushey | 2012 |
| Podback Limited | Chester | 2020 |
| Podders Nottm Limited | Nottingham | 1998 |
| Podimore Recycling Limited | Sherborne | 2003 |
| Podium Marketing Ltd | Bournemouth | 2017 |
| Point OIL Limited | London | 2026 |