| Cheveley Park Farms Limited | Newmarket | 2003 |
| Cheveley Park Stud Limited | Newmarket | 1975 |
| Cheveley Polo Farm Limited | Norwich | 2026 |
| Chevin Tree Surgeons Limited | Leeds | 2004 |
| Cheviot Countryside Contracting Limited | Berwick Upon Tweed | 2026 |
| Cheviot Farming Limited | Mindrum | 2012 |
| Cheviot Holding (Meltham) Limited | Holmfirth | 2024 |
| Cheviot Trees Limited | Berwick Upon Tweed | 1988 |
| Chevithorne Limited | Combe Martin | 2002 |
| Chew Valley Trees Limited | Bristol | 1999 |
| CHI Global Group Limited | London | 2025 |
| CHI Global Harvest Limited | London | 2025 |
| Chicheley Farms Limited | Newport Pagnell | 1987 |
| Chichester Doodles Limited | Southsea | 2021 |
| Chichester Grain Farmers Limited | Chichester | 1982 |
| Chichester Grain Marketing Limited | Chichester | 2002 |
| Chichester Roses Limited | Chichester | 1987 |
| Chicken Rescue UK CIC | Wareham | 2022 |
| Chicory Crops Limited | Rotherwas | 1971 |
| Chiddinglye Estate Ltd | East Grinstead | 2011 |
| Chidham Farming Ltd | Chichester | 2026 |
| Chiemsee Consultancy Ltd | Newtownards | 2022 |
| Chieveley Manor Sport Horses Ltd | Newbury | 2024 |
| Chigborough Carp Syndicate Limited | Maldon | 2012 |
| Chigwell Tree Services Ltd | Epping | 2024 |
| Chikodoo Limited | Sutton | 2020 |
| Chikuruwo Original Investments Limited | Basildon | 2025 |
| Chilcomb Valley Wines Limited | Winchester | 2015 |
| Chilcott Plant Hire Ltd | Cornwall | 2001 |
| Chilcott Tree Care Ltd | Rotherham | 2026 |
| Child's Hill Allotment Society Limited | London | 2018 |
| Childhay Farming Ltd. | Dorset | 1996 |
| Childs Farm Orchard Limited | Chippenham | 2022 |
| Childs Farm Services Ltd | Rochester | 2022 |
| Chilham Mill Fisheries Limited | London | 2011 |
| Chilli Chick Ltd | Mildenhall | 2020 |
| Chilli Ranch Limited | Bedford | 2023 |
| Chilli Willy People Ltd | Sidcup | 2025 |
| Chilliman Products Ltd | Barry | 2025 |
| Chillingham Wild Cattle Association Limited | Alnwick | 1939 |
| Chillmoor Limited | Exeter | 2021 |
| Chillwater Farm Ltd | Wimborne | 2023 |
| Chilston Fish Farm Limited | Maidstone | 2017 |
| Chiltern Equestrian Limited | Rickmansworth | 2023 |
| Chiltern Hemp Limited | Watford | 2019 |
| Chiltern Heritage Orchards Limited | Chesham | 2026 |
| Chiltern Mushrooms Ltd | Great Missenden | 2024 |
| Chiltern Ridge Farm Limited | London | 2024 |
| Chiltern View Plants Ltd | Aylesbury | 2018 |
| Chilton Farms Limited | Berks | 1978 |
| Chilton Home Farms Ltd | Chilton | 1980 |
| Chilton Tree Care Limited | Harrow | 2025 |
| Chilver House Stables Limited | King'S Lynn | 2016 |
| Chilworth Manor Vineyard Limited | Guildford | 2013 |
| China Jinfen Agricultural Materials Group Co., Ltd | West Midlands, England | 2025 |
| China Lines Ltd | Nottingham | 2015 |
| China SME Community Interests Union Group Limited | Cambridge | 2022 |
| China-Europe Design Communication Association | Cambridge | 2025 |
| Chinagrade Limited | Slough | 1983 |
| Chipchase Farms Limited | Hexham | 2011 |
| Chipley Farm Limited | Newton Abbot | 2020 |
| Chippendale Farms Limited | Belfast | 2000 |
| Chippenham Animal Care Ltd | Chippenham | 2017 |
| Chippenham Bloodstock Limited | Ely | 1986 |
| Chippenham Stud Limited | Bury St Edmunds | 2021 |
| Chipper Tree Care Ltd | Nottingham | 2023 |
| Chipstable Produce Limited | Taunton | 2004 |
| Chirmorrie Enterprises Ltd. | Girvan | 1999 |
| Chirnside Growers Limited | Berwickshire | 2011 |
| Chiselhampton Farm Ltd | Sevenoaks | 2024 |
| Chisholm Sporting Ltd | Tain | 2018 |
| Chislet Court Limited | Faversham | 2009 |
| Chiswell Green Equestrian Centre Limited | Borehamwood | 2018 |
| Chitcombe Farm Limited | Maidstone | 2012 |
| Chithurst Farm Limited | Horley | 2018 |
| Chittering Sustainable Projects Limited | London | 2022 |
| Chitterne Farms Limited | Nr. Warminster, | 1963 |
| Chitty Farms Limited | Telford | 2020 |
| Chivel Farm Limited | Chipping Norton | 1966 |
| Chivers Farms Group Limited | Cambridge | 2023 |
| Chivers Farms Limited | Cambridge | 1995 |
| Chivery Hall Farm Limited | Tring | 2002 |
| Chix Ltd. | Ellesmere | 2002 |
| Chloe Pearson Eventing Ltd | Leicester | 2024 |
| Chloe's Cobs Ltd | Devizes | 2024 |
| Chloe’S Connies Ltd | Leamington Spa | 2022 |
| Choice Contract Services Ltd. | London | 2020 |
| Choice Game Ltd | Witney | 2024 |
| Cholderton Sporting Services Ltd | Salisbury | 2021 |
| Cholmeley Farms Limited | Peterborough | 1953 |
| Cholmondeley Farms Limited | Cheshire | 2018 |
| Cholwell Farms Limited | Bristol | 1961 |
| Chop and Chip Devon Tree Services Ltd | Barnstaple | 2024 |
| Chorley Equestrian Centre Limited | Chorley | 2006 |
| Chorley Springs Limited | Birmingham | 2019 |
| Chorley Trading Limited | London | 2025 |
| Chowdhury Fishing Limited | Dagenham | 2025 |
| Choyce Contractors Limited | Colne | 2000 |
| CHP Equestrian Limited | Witney | 2025 |
| CHR Estate & Equine Ltd | Leatherhead | 2025 |