| Rose ASH Agricultural Limited | Tiverton | 2007 |
| Rose Coombe Associates Limited | Lyme Regis | 2003 |
| Rose Cottage Farm Estates Ltd | Sheffield | 2024 |
| Rose Cottage Livery Limited | Hull | 2023 |
| Rose Equestrian Ltd | London | 2024 |
| Rose Equine Ltd | Cowbridge | 2024 |
| Rose Farm Limited | Camberley | 1954 |
| Rose Fishing Limited | Torquay | 2016 |
| Rose Hall Farms Limited | Wisbech | 1963 |
| Rose Lodge Farms Ltd | Killylea | 2022 |
| Rose Lodge Small Animal Boarding Ltd | Sheffield | 2019 |
| Rose of Katherine Limited | London | 2014 |
| Rose Tree Care Limited | Mildenhall | 2013 |
| Rose Tree Farm Boarding Limited | Holywell | 2017 |
| Rose Water Farming Limited | York | 2018 |
| Roseau Carp Fishery Limited | Sidcup | 2017 |
| Rosebank Farm Limited | Belfast | 2025 |
| Rosebank Nursery Ltd | Carluke | 2013 |
| Rosebarr Training Services Limited | Tenterden | 2025 |
| Roseberry Hill Farm & Country Ltd | Billingham | 2022 |
| Rosedale Stud Dogs Limited | Preston | 2017 |
| Rosedean Group Limited | Carnoustie | 2009 |
| Rosedene Farm Ltd | Sheffield | 2016 |
| Rosedown Agriservices Limited | Sherborne | 2012 |
| Rosedown Mill Limited | Bideford | 1994 |
| Rosegill Ltd | Thurso | 2013 |
| Rosehaven Ltd | Dursley | 2022 |
| Roseisle Market Garden Ltd | Elgin | 2026 |
| Roseland Park Stud Limited | Newark | 2018 |
| Roseland Solutions Ltd | Truro | 2020 |
| Rosemary Farm Limited | Market Rasen | 2017 |
| Rosemount Farms Ltd | Dereham | 2015 |
| Rosevale Engineering Services Limited | Fraserburgh | 2009 |
| Rosevale Farm Ltd | Portadown | 2025 |
| Rosewood (Eco) Ltd | Derby | 2021 |
| Rosewood House Pets Limited | Wilmslow | 2014 |
| Rosewood Stables Limited | Pontefract | 2022 |
| Rosh & Feering Limited | Romford | 2026 |
| Rosha Pars Green Agriculture Company Limited | London | 2023 |
| Roshven Hill Sporting & Pods Ltd | Lochailort | 2025 |
| Rosie Louise CUT Flowers Ltd | Pathhead | 2024 |
| Rosie Newman (Horse Transport) Ltd | Gloucester | 2007 |
| Rosie's Golden Honey Limited | Teynham | 2025 |
| Rosies Retreat Ltd | Sandwich | 2023 |
| Rosie’S Re-Treat Dog Walking & Daycare Ltd | St. Helens | 2024 |
| Roskeen Fisheries Limited | Haywards Heath | 1998 |
| Roslin Nutrition Limited | Longniddry | 1997 |
| Rosneath Farms Ltd. | Glasgow | 1964 |
| Rosomi Limited | Banbury | 2022 |
| Ross (Export) Limited | Lockerbie | 2006 |
| Ross Anthony Livestock Services Ltd | Preston | 2014 |
| Ross Bloodstock Ltd | Newtownabbey | 2011 |
| Ross Bros (Strichen) | Fraserburgh | 2005 |
| Ross DHU Equestrian Ltd | Larkhall | 2017 |
| Ross Farms and Company Limited | Midlothian | 1942 |
| Ross Firewood Company Ltd | Cinderford | 2022 |
| Ross Griver Ltd | Uffculme | 2019 |
| Ross Marine Limited | Aberdeen | 2022 |
| Ross Pest Control Ltd | Darlington | 2026 |
| Ross Phillips Limited | Shifnal | 2008 |
| Ross Shellfish Bigorneaux Limited | Caernarfon | 2014 |
| Ross SMF Ltd | Buckie | 2019 |
| Ross Stewart Fishing Company Ltd | Shetland | 2024 |
| Ross-Shire Christmas Trees Limited | Inverness | 2007 |
| Ross-Shire Diving Services Ltd | Strathcarron | 2017 |
| Rosscairn Farms Ltd | Enniskillen | 2011 |
| Rosses Brae Farms Ltd | Newtownstewart | 2018 |
| Rossford Limited | Renfrew | 1994 |
| Rossglass Haylage Limited | Downpatrick | 2006 |
| Rossiklb Ltd | Peterhead | 2019 |
| Rossington Produce Co.,Limited | Stripe Road,Rossington | 1947 |
| Rosskeen Farms | | 1956 |
| Rosslyn Gardens Ltd | Kirkcaldy | 2022 |
| Rossmore Oysters Limited | Worth | 1999 |
| Rossnow Fishing Ltd | Aberdeen | 2016 |
| Rosstay Farms Limited | Hertford | 2011 |
| Rostherne Nursery Limited | Moreton Wirral | 2003 |
| Roston Farms Limited | Ashbourne | 2019 |
| Rosuick Limited | Helston | 2025 |
| Rosybee Limited | Monmouth | 2011 |
| Rosyth Community Projects Limited | Rosyth | 2016 |
| Rotem International Limited | Sunderland | 2017 |
| Rother Valley Tree Services Limited | Doncaster | 2010 |
| Rotherslade Shellfish Limited | Swansea | 2011 |
| Rothes and Aikenway Fishings Limited | Driffield | 1962 |
| Rothwell Tree Services Ltd | Colchester | 2024 |
| Rough Hill Farm Limited | Hampton Lovett, Droitwich | 1998 |
| Rough Hill Rare Breeds Ltd | Studley | 2009 |
| Rough House Farms Limited | Midhurst | 1985 |
| Rougham Farm Limited | Knaresborough | 2016 |
| Rougham Pigs Limited | Bury St Edmunds | 2013 |
| Roughan Farms Ltd | Augher | 2015 |
| Roughcote Limousins Ltd | Stoke On Trent | 2021 |
| Roughdyke Farm Ltd | Mauchline | 2023 |
| Roughfield Limited | Pontyclun | 2025 |
| Roughton Farms Limited | Boston | 1954 |
| Roughts Poultry Limited | Lakenheath | 1956 |
| Roughway Farm Ltd | Maidstone | 2024 |
| Rouk & CCS Ltd | Dunoon | 2023 |
| Rounce Makes Limited | Crowle | 1978 |