| Park END Farming Limited | Rugby | 2017 |
| Park Farm (2006) Ltd | Dedham | 2006 |
| Park Farm (Oxford) Limited | Abingdon | 2021 |
| Park Farm (Pipe Gate) Limited | Market Drayton | 2022 |
| Park Farm Dairy Limited | Llanfairpwllgwyngyll | 2026 |
| Park Farm Diversity Limited | Chichester | 2016 |
| Park Farm Eggs Limited | Hull | 2003 |
| Park Farm Equestrian Ltd | Newport | 2023 |
| Park Farm Industries Limited | Huntingdon | 2025 |
| Park Farm Kent Limited | Faversham | 2020 |
| Park Farm Land Limited | Worksop | 1996 |
| Park Farm Limited | Bath | 1997 |
| Park Farm Ockley Limited | Dorking | 2024 |
| Park Farm Poultry Ltd | Bridlington | 2023 |
| Park Farm South Anston Limited | Sheffield | 2017 |
| Park Farm Sport Horses Limited | Oxford | 2025 |
| Park Farm Stables Limited | Sevenoaks | 2011 |
| Park Farm Syndicate (Fairford) Limited | Cirencester | 1936 |
| Park Farm Vineyard Ltd | Woodbridge | 2024 |
| Park Farm Wappenbury Ltd. | Coventry | 1995 |
| Park Forestry & Landscapes Ltd | London | 2024 |
| Park Ground Farm Estates Limited | Ulverston | 2018 |
| Park House Dairy Limited | Market Drayton | 2011 |
| Park House Farming Company Limited | Wigton | 2002 |
| Park House Services NW Limited | Bury | 2014 |
| Park Lane Stables RDA | Teddington | 2014 |
| Park Manor Consulting Limited | Brackley | 2015 |
| Park Mill Farms Limited | Bristol | 2009 |
| Park Moor Farm Limited | Pott Shrigley | 2020 |
| Park ROW Partners Limited | Brighouse | 2009 |
| Park View Australian Labradoodles Ltd | London | 2025 |
| Park Wood Trentham Limited | Stoke-On-Trent | 2013 |
| Parkdale Poll Merino Stud UK Ltd | Warminster | 2025 |
| Parker Built Engineering Ltd | Chulmleigh | 2006 |
| Parker Cattle Ltd. | Ipswich | 2003 |
| Parker Equine & Tuition Ltd | St. Asaph | 2014 |
| Parker Equine Ltd | Middlesbrough | 2024 |
| Parker Farms Bassingbourn Limited | Duxford | 1990 |
| Parker Farms Holdings Limited | Royston | 2024 |
| Parker Newton Limited | Bromyard | 2018 |
| Parker Sports and Eventing Ltd | Cheltenham | 2021 |
| Parker Woodhouse Limited | Launceston | 2002 |
| Parker's Animal Sanctuary CIC | Bolton | 2023 |
| Parkers Nurseries Limited | Clacton-On-Sea | 1997 |
| Parkes Creations Ltd | Milton Keynes | 2021 |
| Parkfield Grass Converters Limited | Anglesey | 2021 |
| Parkfield Labradoodles Ltd | Eastbourne | 2020 |
| Parkfresh Vegetables Limited | Boston | 2000 |
| Parkgate Farm and Cafe Ltd | Antrim | 2022 |
| Parkgate Holdings Limited | Dumfries | 2004 |
| Parkgate Nurseries Limited | Northwich | 1977 |
| Parkham Beef Limited | Bideford | 2023 |
| Parkhead Fishing Co Ltd | Wick | 2017 |
| Parkhill Estate Rattray Blairgowrie Ltd | Blairgowrie | 2025 |
| Parkin Peat Company Limited | | 1979 |
| Parkin Shellfish Limited | Barrow-In-Furness | 2020 |
| Parkland Herefords | Carlisle | 2015 |
| Parklands (Croxteth) Management Company Limited | Liverpool | 1978 |
| Parklands Area 8 Management Company Limited | Wallasey | 1980 |
| Parklands Livery Management Limited | Ipswich | 2014 |
| Parkminster Farms Limited | Horsham | 1987 |
| Parkmore Farms Ltd | | 2009 |
| Parks Garden & Fencing Services Limited | Heathfield | 2012 |
| Parkseat Farm Limited | Aberdeen | 2017 |
| Parkside Dog Retreat Ltd | Liverpool | 2024 |
| Parkside Pigs Limited | Dunbar | 2007 |
| Parkside Stables Limited | Alfreton | 2002 |
| Parkstown Piggery Ltd | Gilford | 2026 |
| Parkstyle Farm Ltd | Inverurie | 2021 |
| Parkview Fife Limited | Cupar | 1997 |
| Parkville Ltd | Stafford | 2019 |
| Parkys Global Service & Maintenance Ltd | Hartlepool | 2024 |
| Parle Farms Limited | Aberdare | 2020 |
| Parm Group Ltd | Goole | 2020 |
| Parma Nutrition Group Ltd | London | 2025 |
| Parmar Agricultural Limited | Ashorne | 2023 |
| Parme Farm Limited | Northwich | 1998 |
| Parr Contracting Limited | Gainsborough | 2015 |
| Parrot Pandemonium Ltd | Christchurch | 2016 |
| Parrotgb Ltd | London | 2026 |
| Parrott Farms Ltd | Lichfield | 2012 |
| Parry's Agricultural Sprayer Specialists Limited | Shrewsbury | 2021 |
| Parslow Apiaries Limited | London | 1982 |
| Parslow Farming Ltd | Stourport | 2024 |
| Parsnips Dog Grooming Limited | Tewkesbury | 2025 |
| Parson Pools Ltd | Stafford | 2023 |
| Parsonage & Groves Farms Limited | Sittingbourne | 1997 |
| Parsonage Enterprises Limited | Fordingbridge | 2015 |
| Parsonage Farm Holdings (Salford) Limited | Chipping Norton | 2022 |
| Parsonage Farming Company Limited | Andover | 2017 |
| Parsons Close Stables Ltd | Abingdon | 2023 |
| Parsons Farm Supplies Ltd | Weston-Super-Mare | 2013 |
| Parsons Farming Limited | Salisbury | 2012 |
| Parsons Partners Limited | Taunton | 2013 |
| Parsons Ridge Ltd | Cardiff | 2023 |
| Parsons-Cole Equestrian Ltd | Bromley | 2020 |
| Parsons-Cole Nortonbury North Ltd | Bromley | 2021 |
| Part Farm Limited | | 1997 |
| Particularly Good Limited | Wooler | 2018 |
| Parting Oaks Limited | London | 2016 |