| Round Acre Ltd | Ipswich | 2014 |
| Round Hill Farm Limited | Wigton | 2005 |
| Round Oak Dressage Ltd | Ashbourne | 2019 |
| Round Torr Limited | Crediton | 2023 |
| Roundhay Farming Limited | Yardley Hastings | 2014 |
| Roundhill Dairies Ltd | Loughgilly | 2026 |
| Roundhill Farm Cotswolds Limited | Cheltenham | 2026 |
| Roundstone Beef Ltd | Rowland'S Castle | 2020 |
| Roundtower Vale Ltd | Witney | 2025 |
| Roundtree Forestry Ltd | Derby | 2026 |
| Roundwood Farm Ltd | Taunton | 2019 |
| Rounton Goats Limited | Northallerton | 2021 |
| Routh Farming Limited | Beverley | 2007 |
| Rover With Elizabeth S Limited | Gateshead | 2025 |
| Roverfield Limited | Lincoln | 2025 |
| Rovers Retreat Ltd | Manchester | 2022 |
| ROW Farm Limited | Bracknell | 2006 |
| Rowallane Community Hub | Ballynahinch | 2011 |
| Rowan Farm Ltd | Lincoln | 2021 |
| Rowan Forestry Ltd | Perth | 2026 |
| Rowan Hayward Trading Limited | Southampton | 2013 |
| Rowan Rural Services Ltd | Brough | 2017 |
| Rowan Stud Limited | Liddington | 2021 |
| Rowan Tree Surgery Limited | East Sussex | 2008 |
| Rowandon Limited | Chichester | 1981 |
| Rowanpoint Limited | Orkney | 2017 |
| Rowanvale Trained Dogs Ltd | Nottingham | 2020 |
| Rowborough Game Birds Limited | London | 2022 |
| Rowbottom Limited | Wakefield | 1987 |
| Rowbottoms' Tree Services Limited | Manchester | 2003 |
| Rowbury Farm Limited | Newbury | 2002 |
| Rowbury Farming Ltd | Newbury | 2026 |
| Rowdefield Farming Limited | Devizes | 2005 |
| Rowden Farm Limited | London | 2011 |
| Rowden Services Ltd | Nuneaton | 2020 |
| Rowden's Tree Consultancy and Training Ltd | Eastleigh | 2023 |
| Rowe Farm Limited | Newcastle Under Lyme | 2011 |
| Rowe Farming Limited | March | 2004 |
| Rowe Holdings Limited | Sudbury | 2025 |
| Rowe Potatoes Limited | Plymouth | 2024 |
| Rowell Limited | Wisbech | 2015 |
| Rowfant Mill Pond Fishing Syndicate Limited | Crawley | 2025 |
| Rowhedge Farm Limited | Sudbury | 1997 |
| Rowington Croft Ltd | Nuneaton | 2018 |
| Rowington Fairway Limited | Redditch | 1978 |
| Rowlands AG Services Limited | Sandown | 2023 |
| Rowley Farm Limited | Taunton | 2026 |
| Rowling Farming Ltd | Thetford | 2005 |
| Rowlinson Fabrications Ltd | Stoke-On-Trent | 2021 |
| Rowney Brothers Limited | Maybole | 2013 |
| Roworth Ltd | Mansfield | 2019 |
| Rowreagh Farm Limited | Newtownards | 1996 |
| Rowse Fishing Limited | Long Rock | 2006 |
| Rowse Tree Services Limited | Sidmouth | 2004 |
| Rowsell Brothers | Haywards Heath | 1981 |
| Rowsell Farming Limited | Winchester | 2013 |
| Rowson Agriculture Limited | Brigg | 2011 |
| Roxholme Trout Farm & Fishery Ltd | Doncaster | 2021 |
| Roxy Cinema (Dalton) Limited | Preston | 1959 |
| ROY Davey Contracting Limited | Plymouth | 2014 |
| ROY Harness and Sons Limited | Tattershall | 1977 |
| ROY Harris (Bromyard) Limited | Hereford | 2007 |
| ROY L Falcons Ltd | London | 2021 |
| ROY Lyttle Limited | Newtownards | 2004 |
| ROY Racing Ltd | Cambridge | 2015 |
| ROY Ward (Farms) Limited | Lincoln | 1973 |
| Royal Flush Genetics Limited | Bude | 2024 |
| Royal Oak Farm Ltd | Honiton | 2023 |
| Royal Smithfield Club(The) | Lutterworth | 1900 |
| Royale Equine Livery Limited | Bury St. Edmunds | 2020 |
| Royale Lottbridge Farm Holdings Ltd | Eastbourne | 2026 |
| Roycar Limited | Gainsborough | 2017 |
| Roydon Hall Farms Limited | King'S Lynn | 1995 |
| Royland Farms Limited | Studley | 1986 |
| Royle Business Park Ltd | Burton-On-Trent | 2020 |
| Roys Boys (Hastings) Limited | Bexhill On Sea | 2010 |
| Royston Farms Limited | Peterborough | 1993 |
| Royston Sport Horses Equestrian Centre Ltd | Macclesfield | 2023 |
| Royston Sport Horses Ltd | Alderley Edge | 2021 |
| Rozana Foods Limited | West Drayton | 2019 |
| Rozel Breeding Centre Ltd | Southampton | 2012 |
| Rozel Farrier Practice (IOW) Ltd | Southampton | 2025 |
| Rozenut.Co Ltd | Leeds | 2025 |
| RP & AE Caldecott Limited | Birmingham | 2014 |
| RP Aquatics Ltd | Lichfield | 2020 |
| RP Bloodstock Ltd | Motherwell | 2017 |
| RP Joyce Forestry & Habitat Management Ltd | Wimborne | 2018 |
| RP Kerr & SON Limited | Brind, Goole | 2003 |
| RP Network Engineering Ltd | Tamworth | 2025 |
| RP Trade Limited | Margate | 2020 |
| RPA Property Ltd | Bishop'S Stortford | 2018 |
| RPM Farming Limited | Chelmsford | 2023 |
| RPM Northsea Ltd | Fraserburgh | 2018 |
| RPS Maintenance Ltd | Truro | 2016 |
| RPW Fishing Limited | Macduff | 2018 |
| RR Fishing Limited | Middlesbrough | 2018 |
| Rrats Cats Rescue CIC | Thamesmead | 2025 |
| RRH Equine Ltd | Ashford | 2025 |
| RRH Livery Services Limited | Whitchurch | 2017 |
| RRH Sports Horses Limited | Whitchurch | 2017 |