| Pulse Processing Limited | Edinburgh | 2022 |
| Pultadie Farm Limited | Stranraer | 2020 |
| Pumlumon Farming Limited | London | 2024 |
| Pumped Baits Limited | Colchester | 2023 |
| Pumpherston Estates Limited(The) | Grantham | 1928 |
| Pumping Station Ltd | Littledean | 2002 |
| Pumpkin Moon Limited | Faversham | 2017 |
| Pumpkin Pete's Ltd | Ledbury | 2021 |
| Pumplynn Limited | Abergavenny | 1978 |
| Punch Farm Ltd | Chipping Norton | 2025 |
| Punchbowl Orchard Ltd | St. Leonards-On-Sea | 2024 |
| Punchbowl Valley Vineyard Ltd | Thursley | 2021 |
| Punda Ltd | Manchester | 2022 |
| Punjaab Traders Ltd | Ilford | 2025 |
| Punky Paws Ltd | Stockton-On-Tees | 2026 |
| Puntresin Ltd | Cardiff | 2019 |
| PUP 'N' Running Ltd | London | 2023 |
| PUP Apparel Ltd | London | 2024 |
| PUP Central Ltd | Manchester | 2025 |
| Pup-Patrol Ltd | London | 2025 |
| Puppy Love Canine Services Ltd | Birmingham | 2021 |
| Puppy Paddock Ltd | Dorchester | 2025 |
| Puppy Paradise Ltd | Rugby | 2025 |
| Puppy Pet Care Ltd | Doncaster | 2020 |
| Pups of Cheshire Ltd | Oldham | 2021 |
| Pupsathome Ltd | Leamington Spa | 2026 |
| PUR Brook Shoot Limited | Walsall | 2016 |
| Purbeck Tree Nursery Community Interest Company | Swanage | 2024 |
| Purbeck Tree Surgeons Ltd | Poole | 2012 |
| Purcell Equine Services Limited | Colchester | 2025 |
| Purcell Farms | Limavady | 2025 |
| Purchase & Sons (Farms) Limited | Blandford | 1954 |
| Pure Abodes Group Ltd | Beckley | 2006 |
| Pure Cane Limited | London | 2025 |
| Pure Golden Honey Ltd | Redhill | 2026 |
| Pure Green Estates Ltd | Carnforth | 2023 |
| Pure Heritage Ltd | Godstone | 2022 |
| Pure Love Ltd | Motherwell | 2026 |
| Pure Pastures Limited | Pewsey | 2010 |
| Pure Pest Solutions Ltd | Dulas | 2023 |
| Purecut Tree Co Limited | Ashford | 2025 |
| Puredale Legacy Ltd | Belfast | 2025 |
| Pureherbal Limited | Newton Abbot | 2024 |
| Purely Angling Ltd | Woking | 2020 |
| Purely Paws Ltd | Castleford | 2017 |
| Purely Solutions Limited | Bexhill-On-Sea | 2013 |
| Purely Trees Ltd | Dunstable | 2024 |
| Purest House of Lair Ltd. | Walthamstow | 2025 |
| Purleigh Shawl Shellfish Ltd | Leigh-On-Sea | 2011 |
| Purleigh Wash Farm Limited | Maldon | 2025 |
| Purnells Dairy Limited | Devizes | 2025 |
| Purple Badger Limited | Leicester | 2019 |
| Purple Blue Wellbeing Ltd | Bexley, Kent | 2023 |
| Purplepig ICT Ltd | Chorley | 2004 |
| Purpose-People-Planet Group (3PG) Ltd | London | 2022 |
| Purrfect Escapes Ltd | Caernarfon | 2025 |
| Purrfection Cattery Ltd | Preston | 2016 |
| Purring Patch Ltd | High Wycombe | 2025 |
| Purrrfect Pets Ltd | St. Austell | 2018 |
| Purrwell Cattery Ltd | Chelmsford | 2025 |
| Purston Farms Limited | Badsworth Pontefract | 1964 |
| Purton House Organics Limited | Swindon | 2024 |
| Pusey Farm Ltd | London | 2012 |
| Puss in Books Ltd | Frome | 2024 |
| Pussy Willows Limited | Cheltenham | 2016 |
| Putney Tree Specialists Limited | Guildford | 2019 |
| Putters Ltd | London | 2019 |
| Puxton Green Limited | Bristol | 2024 |
| PW Agriculture Limited | Richmond | 2025 |
| PW Balchin Limited | Stratford-Upon-Avon | 2007 |
| PW Farm Services Limited | Wales | 2007 |
| PW Maines Limited | Preston | 2003 |
| PWR Sawmill Services Ltd | Carmarthen | 2021 |
| PYB Farm Limited | Silsoe | 2020 |
| Pycf Ltd | Swansea | 2019 |
| PYE ASH Farm Events Ltd | Macclesfield | 2024 |
| PYE Hall Farms Limited | Southampton | 2005 |
| PYE Scholes Limited | Beaumaris | 2018 |
| Pyefleet Rural Ltd | Colchester | 2020 |
| Pyefleet Rural Services Limited | Colchester | 2018 |
| Pygmy Love Limited | Peterhead | 2024 |
| Pyke Farms Ltd | Whitchurch | 2025 |
| PYM Allotment 22 Ltd | Grays | 2022 |
| Pypers Hill Farms Limited | Ely | 1984 |
| Pyrah & Bowers Limited | Wellingborough | 1961 |
| Pyramid Forestry & Landscaping Limited | Buckinghamshire | 2002 |
| Pyramid Master Buildings (& Equipment) Limited | Malton | 2010 |
| Pyrford Wood Smallholding Ltd | Woking | 2025 |
| Pyrton Manor Farms Limited | Watlington | 2019 |
| Pysgod Y MOR Ltd | Haverfordwest | 2020 |
| Pysgotfa Prysor Fishery CYF | Blaenau Ffestiniog | 2013 |
| Pysgotwr Farms Ltd | Llandovery | 2011 |
| Pytchley Farms Limited | Kettering | 1960 |
| Q and a Equine Services Ltd | Swindon | 2024 |
| Q B Ltd | Coleshill | 1998 |
| Q I Jacob Ltd | Bramley, Tadley | 2025 |
| Q L Tree Care Limited | Telford | 2025 |
| Q P Yorkshire Limited | Chorley | 2015 |
| Q Varl Fishing Company Limited | Torquay | 2014 |
| Q.A. Audits Limited | Lancaster | 2002 |