| Palace (Gamrie) Limited | Banff | 2026 |
| Palace Farms Limited | Wells | 2006 |
| Palace of Paws Ltd | Washington | 2019 |
| Palace Yard Farm Ltd | Huntingdon | 2026 |
| Paladin Farm Services Ltd | Workington | 2012 |
| Pale Horse Pest Control Ltd | Bristol | 2022 |
| Palestine Heirloom Preservation CIC | London | 2023 |
| Paley Farm Limited | Tunbridge Wells | 2016 |
| Pallatts Breeding Centre Limited | Leicester | 2018 |
| Pallington Enterprises Ltd | Dorchester | 2022 |
| Pallinsburn Estate Limited | Cornhill-On-Tweed | 2015 |
| Palm & Vine Limited | Spalding | 2020 |
| Palm Trees Projects CIC | London | 2025 |
| Palmallet Farms Limited | Whithorn | 1987 |
| Palmbrook Holdings Limited | Bedford | 2016 |
| Palmer Farming Limited | Cheltenham | 2019 |
| Palmer's Farm Ltd | Birmingham | 2021 |
| Palmetto Holdings Ltd. | Kent | 2000 |
| Palms and Evergreens Ltd | Tunbridge Wells | 2026 |
| Palmstead Nurseries Limited | Ashford | 1998 |
| Pals 4 Pets Ltd | Borehamwood | 2021 |
| Pamela Ormerod Farming Limited | Woodbridge | 2024 |
| Pammy Stevenson Equestrian Limited | Penicuik | 2011 |
| Pammy Stevenson Products Limited | West Linton | 2020 |
| Pampered Pets Cheshire Ltd | Warrington | 2023 |
| Pampered Piggies CIC | Eastleigh | 2026 |
| Pampered Pooches Limited | Redditch | 2024 |
| Pampisford Estate Farms Limited | Pampisford | 1996 |
| PAN Africa Agric Finance & Communications Ltd | Margate | 2025 |
| PAN Agriculture Ltd. | Peterborough | 1999 |
| PAN Livestock Services Limited | Reading | 1985 |
| PAN Tropic Limited | Haverfordwest | 2022 |
| Panash Adventures Ltd | St. Columb | 2022 |
| Panax Services Limited | Lancashire | 2011 |
| Panbrook Farm Ltd | Ross-On-Wye | 2025 |
| Pancake Hill Sustainable Woodlands CIC | Grantham | 2026 |
| Pandscorals Ltd | Mirfield | 2019 |
| Pandy Farm Limited | Bridgend | 2020 |
| Panel Fast Limited | Old Stratford | 1995 |
| Panfield Developments Limited | Halstead | 1998 |
| Pangbourne Contracting Services Limited | Reading | 2020 |
| Pangol Biotech Ltd | Kington | 2024 |
| Panmure Woodlands Limited | Carnoustie | 2026 |
| Pannells Farm Limited | Chertsey | 2013 |
| Panpig Ltd | Dungannon | 2013 |
| Pant Glas Ltd | Welshpool | 2020 |
| Pant Wood Limited | Newport | 2025 |
| Pant-Y-Wal Farm Limited | Swansea | 2017 |
| Panteg Farms Ltd | Kidwelly | 2013 |
| Pantgwyn Cyfyngedig | Fishguard | 2013 |
| Pantymilah Limited | Blackwood | 2011 |
| PAO Property Services Limited | Dunstable | 2013 |
| Papageno Pest Control Limited | London | 2026 |
| Paperoki Limited | Louth | 2008 |
| Papilon Limited | Co Antrim | 2005 |
| Papion Estates Limited | Swadlincote | 2007 |
| Papplewick Farms Limited | Nottinghamshire | 1960 |
| PAR Contractors Limited | Hollinwood | 1990 |
| Parabella Limited | Godalming | 2013 |
| Paradigm Carbontrust Partners Ltd | Bristol | 2012 |
| Paradigm Energies Group Ltd | Bristol | 2015 |
| Paradise Dog Retreat UK Ltd | Bridgwater | 2023 |
| Paradise Farm (IOW) Limited | Newport | 2017 |
| Paradise Farm (Thirsk) Limited | Harrogate | 2022 |
| Paradise Farm Estate Ltd | Boston | 2012 |
| Paradise Farmers Limited | Bridlington | 2016 |
| Paradise for Animals Ltd. | Barnet | 2012 |
| Paradise Valley Ltd | Wirral | 2026 |
| Paragon Risk Engineering Group Limited | London | 2009 |
| Paramite Pest Solution Ltd | Heckmondwike | 2008 |
| Paraquatics Limited | Hove | 2025 |
| Parasole Limited | Chatteris | 2013 |
| Parc Afallon Limited | Llannerch-Y-Medd | 2026 |
| Parc Carreg Limited | Narberth | 2012 |
| Parc Coed Moch CIC | Bangor | 2022 |
| Parc Cynog Dairy Limited | Carmarthen | 2014 |
| Parc Dewi Sant Wellbeing Gardens CIC | Carmarthen | 2026 |
| Parc Farm Ltd | Newport City | 2025 |
| Parc Gwyn Limited | Abergavenny | 2010 |
| Parc Helyg CBC | Newport | 2022 |
| Parc HEN CYF | Clarbeston Road | 2022 |
| Parc Y Dyffryn Community Farm CIC | Fishguard | 2024 |
| Parc-An-Hoy Limited | St Austell | 2024 |
| Parc-Y-Morfa Farms Limited | Fishguard | 1977 |
| Parcau Farms Ltd | Ceredigion | 2022 |
| Parce Bach Ltd | Taunton | 2019 |
| Parcyrabbot Farm Limited | Carmarthen | 2011 |
| Parduvine Ltd | Rosewell | 2012 |
| Parham Pigs Limited | Woodbridge | 2017 |
| Paridaeza Limited | London | 2026 |
| Parigo Horticultural Co. Limited | Northampton | 1968 |
| Paris Club Ltd | Macclesfield | 2014 |
| Parish Arboriculture Limited | Chessington | 2021 |
| Park & Ride Cycling Hub Community Interest Company | Neath | 2025 |
| Park Agri Ltd | Banbridge | 2024 |
| Park Agriculture Limited | Taunton | 2007 |
| Park Aluminium Limited | Northampton | 2009 |
| Park Avenue Livery Limited | Potters Bar | 2017 |
| Park Cottage Farms Limited | Lichfield | 1998 |
| Park Dairies Limited | Llanidloes | 2010 |