| Richard Sandy Trees Ltd | Banstead | 2015 |
| Richard Sheard Farms Limited | Honeydon | 2017 |
| Richard Skelton Contracting Limited | Wigton | 2007 |
| Richard Thomas and Co (Hydro) Ltd | Burry Port | 2016 |
| Richard Thomas Fencing Limited | Haverfordwest | 2013 |
| Richard W. Tennant Limited | Driffield | 1987 |
| Richard Webb Tree Surgeon Ltd | Robertsbridge | 2022 |
| Richard White & SON (Forestry) Ltd | Sheffield | 2009 |
| Richard Wilkins Farrier Ltd | Broadstairs | 2014 |
| Richard Wright Accident Repair Centre Limited | Staffordshire | 2002 |
| Richard.T.Newsham Limited | Colwyn Bay | 2003 |
| Richards Agri Limited | Bexhill | 2020 |
| Richards Agricultural Services Limited | Presteigne | 2017 |
| Richards Poultry Limited | Taunton | 2022 |
| Richardson & Cock Limited | Peterborough | 1955 |
| Richardson Agriculture Ltd | Felixstowe | 2026 |
| Richardson Farms Limited | Sandbach | 2022 |
| Richardson Tree Surgery Limited | Dereham | 2016 |
| Richcott Rearing Limited | Hull | 2015 |
| Richflood Ltd | London | 2020 |
| Richhill Agri Services Ltd | Craigavon | 2019 |
| Richland Foods Limited | Helston | 2024 |
| Richlea Eggs Limited | | 1961 |
| Richmond Consultancy Limited | Essex | 2004 |
| Richmond Hall Farm Ltd | Lancaster | 2019 |
| Richmond Mycology Limited | Teddington | 2025 |
| Richmond Trees and Landscape Limited | West Molesey | 2008 |
| Richmond Woodhouse Limited | Winchester | 2012 |
| Richmonds Equestrian Ltd | Walton-On-Thames | 2011 |
| Richstump Limited | Carshalton | 2012 |
| Richwoodtreeservices Limited | Chesterfield | 2020 |
| Rick Howell Farms Limited | Theddlethorpe | 2015 |
| Rickerby Estates Limited | Carlisle | 2003 |
| Rickeston Poultry Limited | Haverfordwest | 2020 |
| Ricky Goodsell Ltd | Bexhill On Sea | 2018 |
| Ricky Phillips Farriery Services Limited | Nuneaton | 2017 |
| Rickyard Ltd. | Tring | 1983 |
| Ridby Limited | Hereford | 2010 |
| Riddleston Farming Ltd | Sudbury | 2016 |
| Rideout Agricultural Ltd | Cross In Hand | 2016 |
| Rider Enterprises Ltd | Leek | 2021 |
| Ridge Farms Limited | Dorchester | 1997 |
| Ridge Holdings (UK) Limited | Bury | 2013 |
| Ridge Terrace Allotment Association Community Interest Company | Bedlington | 2017 |
| Ridgefield Farm Poultry & Game Limited | Chippenham | 2010 |
| Ridgeleys Estate Limited | Fen Drayton | 2018 |
| Ridgeview Estate Winery Limited | Brighton | 1995 |
| Ridgeview Farm Limited | Barrow Moor | 2013 |
| Ridgeway Agricultural Services Limited | Didcot | 2020 |
| Ridgeway Contractors Limited | Usk | 2001 |
| Ridgeway Farm Livery Ltd | Blandford Forum | 2026 |
| Ridgeway Farms Ltd | Uxbridge | 2024 |
| Ridgeway Foods Limited | Cannock | 2015 |
| Ridgeway Group Limited | Cannock | 2015 |
| Ridgeway Precision Agri Ltd | Marlborough | 2024 |
| Ridgewood Consulting Limited | Borehamwood | 2025 |
| Ridgewood Equestrian Limited | Mansfield | 2021 |
| Riding Farm Equestrian Centre Limited | Tonbridge | 2022 |
| Ridings Facility Services Ltd | Doncaster | 2019 |
| Ridings Farm Ltd | Oakham | 2014 |
| Ridings Forestry (UK) Limited | Beverley | 2007 |
| Ridleaves Limited | Salisbury | 2013 |
| Ridley Fields Ltd | Birmingham | 2025 |
| Ridout Partnership Limited | Sturminster Newton | 2009 |
| Riemarda Dogs Limited | Southampton | 2025 |
| Rievaulx Estate Ltd | York | 2024 |
| Rievaulx Ltd | Thirsk | 2025 |
| Rievaulx Sporting Limited | Leeds | 2002 |
| RIG Marole International Limited | Billericay | 2019 |
| Rigbolt Farms Limited | Spalding | 1961 |
| Rigg House Farm | Workington | 2013 |
| Rigging Access Solutions Ltd | Inverness | 2012 |
| Right Horse 4U Limited | Doncaster | 2006 |
| Right Ride Horses Limited | Whitchurch | 2014 |
| Right Way Landscapes Limited | Coulsdon | 2023 |
| Rightio Poultry Farm Ltd | Buxton | 2021 |
| Rignall Farm Livery Limited | Towcester | 2015 |
| Rigsby Farming Company Limited | Alford, | 1961 |
| Rigton Agri Ltd | Leeds | 2025 |
| Rigueza Ltd | Glasgow | 2025 |
| Rijk Zwaan UK Limited | York | 1967 |
| Riley Broilers Limited | Chorley | 2012 |
| Riley Enterprises Ltd | Chorley | 2025 |
| Riley Farms Ltd | Huddersfield | 2023 |
| Riley Growers Limited | Newent | 2008 |
| Riley Properties Ltd | Manchester | 2011 |
| Rill Organic Transformation (ROT) CIC | Callington | 2010 |
| Rinder Limited | Winchester | 2003 |
| Ringden Farm Limited | Redhill | 1964 |
| Ringer Farms (Syderstone) Limited | Surrey | 1989 |
| Ringesta Farm Limited | Shetland | 2012 |
| Ringfad Ltd | Downpatrick | 2011 |
| Ringfield Farm Limited | Norwich | 1989 |
| Ringrose Tree Services Ltd | Oxford | 2005 |
| Ringsend Farm Limited | Coleraine | 2019 |
| Ringshaw Trading Limited | Liverpool | 2015 |
| Ringshill Farm Limited | Rochester | 1998 |
| Ringstone Royd Livery and Rehabilitation Limited | Huddersfield | 2026 |
| Rinovia Limited | Stanstead Abbotts | 2015 |
| RIO Hall Eventing Ltd | Pentre Halkyn | 2022 |