| RH Baits Limited | Shifnal | 2022 |
| RH Biomass Limited | Preston | 2020 |
| RH Dixon &SON Ltd | York | 2023 |
| RH Eddy Limited | Camborne | 2018 |
| RH Equine Ltd | Stafford | 2021 |
| RH Plant Machinery Limited | Andover | 2022 |
| RH Tree Consultants Ltd | London | 2019 |
| RH Tree Contractors Limited | Inverness | 2022 |
| RH Worx Limited | Torpoint | 2021 |
| Rh&D Farm Controls Limited | Newton Stewart | 2025 |
| RH10 Dog Walking & Pet Services Ltd | Crawley | 2023 |
| Rhadyr Farms Limited | Wales | 2006 |
| Rhal Farms Limited | Thirsk | 1976 |
| Rherc Ltd | Kirkwall | 2021 |
| Rhet Dumbarton, Lomond and Renfrew | Alexandria | 2008 |
| Rhian Bridge Limited | Inverness | 2021 |
| Rhian Rees CYF | Ceredigion | 2005 |
| Rhiew Banc Limited | Powys | 2005 |
| Rhindhu Farm Ltd | Ballindalloch | 2003 |
| Rhippin-Ddu Limited | Cardiff | 2007 |
| Rhiwlas Dairy Ltd | Bala | 2014 |
| Rhiwonnen Livestock Centre Ltd | Carmarthen | 2017 |
| Rhizocore Technologies Ltd | Edinburgh | 2021 |
| RHJ Dairy Limited | Holsworthy | 2013 |
| RHM Estates Limited | Templecombe | 2024 |
| RHM Forestry Limited | Templecombe | 2024 |
| RHM Horses Ltd | Templecombe | 2024 |
| RHN Sporthorses Limited | Oldham | 2021 |
| Rhoden Rehabilitation Ltd | Tonbridge | 2019 |
| Rhodes House Farms Limited | Taunton | 2015 |
| Rhodri George & SON Ltd | Haverfordwest | 2025 |
| Rhona Meikle Dog Training Ltd | North Berwick | 2016 |
| Rhos Ddigre Limited | Wrexham | 2021 |
| Rhos Goch Ltd | Chester | 2013 |
| Rhosddu Farm Limited | Meifod | 2017 |
| Rhosgadw Farm Ltd | St Davids | 2024 |
| Rhoslydan Farms Ltd | Corwen | 2021 |
| RHS Agri Services Limited | Retford | 2025 |
| RHU Fishery Ltd | Helensburgh | 2024 |
| Rhubarb Farm CIC | Mansfield | 2009 |
| Rhydonnen CYF | Ruthin | 2019 |
| Rhydsais CYF | Carmarthen | 2016 |
| Rhydwen Farms Limited | Cwmbran | 2023 |
| Rhydycwm Farms Ltd | Leominster | 2019 |
| Rhyll Manor Limited | London | 2014 |
| Rhys Douglas Agricultural Contractor Ltd | Lampeter | 2026 |
| Rhys Toms Limited | Looe | 2018 |
| Rhys Williams (Bangor) Limited | Porthmadog | 1952 |
| Rhyze Mushrooms Co-Op CIC | Edinburgh | 2020 |
| RI & MA Hamilton Ltd | Dungannon | 2024 |
| RI & MR Ridley Limited | Hexham | 2017 |
| Riandalyn Limited | Aberdeen | 2003 |
| RIB Farm Services Ltd | Magherafelt | 2018 |
| Ribble Tree Surgeons Limited | Preston | 2013 |
| Ribble Valley GUN Dogs Ltd | Blackburn | 2024 |
| Ribble Valley LOG Supplies Ltd | Burnley | 2008 |
| Ribble View AI Centre Ltd | Preston | 2023 |
| Ribble View Farm Ltd | Preston | 2025 |
| Ribbleway Farriery Ltd | Ribchester | 2024 |
| Ribhinn Donn Limited | Newtownards | 2004 |
| Ribsmarie Limited | Fraserburgh | 2012 |
| Riby Grange Farming Company Limited | Grimsby | 1953 |
| Ricadene Dachshund Ltd | Chatteris | 2017 |
| Rich Moss Limited | London | 2024 |
| Rich's From the Sea Ltd | Bridport | 2015 |
| Richard a. Fores Limited | Chalfont St Giles | 1958 |
| Richard Aitken (Seedsmen) Limited | Glasgow | 1977 |
| Richard Almond & Sons (Farmers) Limited | Nr Warrington | 1976 |
| Richard Barnes (Farms) Limited | Etchingham | 1980 |
| Richard Beldam Farms Limited | Broadway | 1987 |
| Richard Bowdler Limited | Ellesmere | 2008 |
| Richard C. Bircher (Holdings) Limited | Taunton | 1976 |
| Richard Clements Group Ltd | Bury St. Edmunds | 2025 |
| Richard Coate Sheep Exports Limited | Somerset | 1990 |
| Richard Cooper & SON Ltd | Norwich | 2014 |
| Richard Crowe Farms | Doncaster | 2012 |
| Richard Edward and Company (Scotland) Limited | Haddington | 2012 |
| Richard Ellerington Ltd | Beverley | 2019 |
| Richard Epton (Farms) | Grantham | 1961 |
| Richard Everton Grain Broker Limited | Chichester | 2013 |
| Richard Falkingham Limited | Goole | 2012 |
| Richard Fordham Tree Surgeons Limited | Mount Bures | 2018 |
| Richard Graham (Yorkshire) Ltd | Whitby | 2018 |
| Richard Grant & SON (Leverton) Limited | Nr Boston | 1941 |
| Richard H Francis Ltd | Ruthin | 2004 |
| Richard Hammond Limited | Nr. Spilsby | 2003 |
| Richard Hardy (Fishtoft) | Boston | 1950 |
| Richard Hartley Limited | Milton Under Wychwood | 1962 |
| Richard Haward's Oysters (Mersea) Ltd | Colchester | 2019 |
| Richard Hunniford Ltd | Portadown | 2018 |
| Richard Hunter Agricultural Contracting Limited | Haverfordwest | 2026 |
| Richard Johnston Limited | Norwich | 1980 |
| Richard Knight Bloodstock Agent Ltd | Malmesbury | 2014 |
| Richard Lewis Contracting Limited | Newtown | 2019 |
| Richard Mark Lawrance Limited | Near Ongar | 2002 |
| Richard Martin Renewables Limited | Carlisle | 2014 |
| Richard Milner (Shropshire) Limited | Much Wenlock | 2017 |
| Richard Nicholson Limited | Driffield | 1998 |
| Richard Roff Limited | Leighton Buzzard | 2006 |
| Richard Rowan Farms Ltd | Saltash | 2017 |