| PB Skip Hire Ltd | Trimdon Station | 2018 |
| PBA Solutions (Landscape) Ltd | Liss | 1995 |
| PBC Plant Limited | Tadley | 2016 |
| PBF Drainage Services Ltd | Northampton | 2012 |
| Pbhs Utilities Limited | Barnsley | 2011 |
| PBK Civils and Utilities Limited | Southampton | 2025 |
| PC Drainage Systems Ltd | Northolt | 2026 |
| PC4 Recycling Limited | Tansley | 2016 |
| PCJ Services (Herts) Ltd | Hemel Hempstead | 2016 |
| PCL Enviro Ltd | Dungannon | 2024 |
| PCP Eco Ltd | Leicester | 2025 |
| Pcpr Ltd | Gravesend | 2025 |
| PCS Skip Hire Limited | Upminster | 2018 |
| PD Property Maintenance Ltd | Norwich | 2010 |
| PDF Remedies Ltd | Leicester | 2011 |
| PDH Recycling Ltd | Ballymena | 2021 |
| Pdmr Limited | Loughton | 2017 |
| PDQ Recycling Ltd | Dorchester | 2025 |
| PDS (Bolton) Limited | Salford | 2006 |
| Pds-Uk Limited | Waltham Abbey | 2019 |
| PE Glass Repairs Limited | Stamford | 2023 |
| Peachy Services Ltd | Crawley | 2020 |
| Peak Builders and Roofing Specialists Ltd | Penrhyn Bay | 2024 |
| Peak Carbon Ltd | London | 2018 |
| Peak Drain Services Limited | Matlock | 2015 |
| Peak Recycling Limited | Nantwich | 2021 |
| Peak Waste Recycling Limited | Ashbourne | 1981 |
| Peakbrook Limited | Rickmansworth | 2023 |
| Peaksweep Limited | Hope Valley | 2013 |
| Pear Tree Well Limited | Uckfield | 2004 |
| Pearce Recycling Group Limited | St Albans | 1961 |
| Pearson Waste Management Ltd | Glastonbury | 2024 |
| Pearsons Waste Management Limited | Darwen | 2018 |
| Peaslake Pools Ltd | Guildford | 2020 |
| Pebbles Collection Limited | York | 2025 |
| Pebs Property Clearance & Skip Hire Ltd | Milford Haven | 2025 |
| Peckfield Restoration Limited | Leeds | 2025 |
| Pedicargo Ltd | Hereford | 2020 |
| Peel NRE Hydrogen Limited | Manchester | 2021 |
| Peel NRE Water Facilities Limited | Liverpool | 2017 |
| Peel NRE Water Services Limited | Liverpool | 2008 |
| Peel Retail and Leisure (Supply Services) Limited | Manchester | 2025 |
| Peel Waters (Supply Services) Limited | Manchester | 2025 |
| Pegasus Waste Management Limited | Bristol | 1996 |
| PEL Solar Bins UK Limited | London | 2018 |
| Pelek Ltd. | Watford | 2017 |
| Pellenc ST UK Ltd | London | 2011 |
| Pellows Waste Disposal Services Ltd | Truro | 1997 |
| Pemar Waste Ltd | Basildon | 2021 |
| Pembrokeshire Benchmark Services CYF. | Tenby | 2025 |
| Pembrokeshire Biosolids Ltd | Haverfordwest | 2020 |
| Pembrokeshire Metal Recycling Limited | Pembroke | 2014 |
| Pembrokeshire Recycling Company Limited | Carmarthen | 2004 |
| Pembrokeshire’S Junk Monkey Rubbish Removals & Skip Hire Limited | Milford Haven | 2026 |
| Pembs Recycling Ltd | Pembroke | 2025 |
| Pembs Waste Collections Ltd | Milford Haven | 2026 |
| Pencroft Earthmoving Limited | Bewdley | 2017 |
| Pendlebury Metals Limited | Chorley | 2019 |
| Pendragon Furniture Limited | Bridgend | 1998 |
| Pendragon Waste & Skip Hire Limited | Llanelli | 2009 |
| Penfold & Co Group Ltd | Weston Super Mare | 2025 |
| Penfold Trade Limited | Weston-Super-Mare | 2016 |
| Peninsula Environmental Limited | Edinburgh | 2018 |
| Peninsula Waste Savers Limited | Okehampton | 2005 |
| Penkridge Grab Hire Ltd | Stafford | 2022 |
| Pennar Point Limited | Henley In Arden | 2019 |
| Pennar Point Rmps Limited | Coventry | 2023 |
| Pennine Waste Management Limited | Doncaster | 1995 |
| Pennpetro Greentec UK Limited | London | 2020 |
| Penovex Limited | Margate | 2017 |
| Penrith Waste Ltd | Carlisle | 2025 |
| Penton House Limited | Middlesbrough | 2012 |
| Pentre Pant Water Company Limited | Oswestry | 2006 |
| Penwith Tank & Drain Services Limited | Penzance | 2026 |
| People Force Services CIC | Manchester | 2025 |
| Peoples Plastic Limited | London | 2025 |
| Pepper’S Metal Recycling Ltd | Market Harborough | 2025 |
| Perdue Recycling Ltd | Swansea | 2018 |
| Perenna Services Ltd | Oxford | 2023 |
| Perfect Drainage Solutions Ltd | Peterborough | 2023 |
| Perfect Seal Roofing Ltd. | Sheffield | 2012 |
| Perfect Waste Services Ltd | London | 2025 |
| Perfection Elite Clean Limited | Bracknell | 2025 |
| Perfuces Ltd. | Manchester | 2019 |
| Perkins Waste Limited | Cardiff | 2021 |
| Permutit Boby Limited | Sutton | 2007 |
| Perocycle Limited | Cambridge | 2024 |
| Perry Drainage Services Limited | Horsham | 2026 |
| Perry Wessex Ltd | Yeovil | 2012 |
| Perrys Recycling Limited | Yeovil | 1975 |
| Persia Waste Solutions Ltd | London | 2026 |
| Personnel Hygiene Services Limited | Caerphilly | 1963 |
| Perth Auto Recyclers Ltd. | Perth | 2004 |
| Pest Bird Services Limited | Chorley | 2015 |
| Pest Disposal Services Ltd | Tolworth | 2000 |
| Pestrap Ltd | London | 2013 |
| Pet Pros Ltd | Ipswich | 2024 |
| Pet Waste Solutions Ltd | Robertsbridge | 2020 |
| Pet Waste Warriors Ltd | Pewsey | 2025 |
| Pete King Contracting Limited | Radstock | 2022 |