| Camm Fishing (Fraserburgh) Ltd | Fraserburgh | 2019 |
| Camm Fishing Limited | Aberdeen | 1994 |
| Cammachmore Bay Limited | Aberdeen | 2021 |
| Cammas Hall Fruit Farm Limited | Chelmsford | 2014 |
| Camms Sporting Ltd | Retford | 2026 |
| Cammy Creels Ltd | Montrose | 2021 |
| Camp Farm & Stud Ltd | Gloucester | 2026 |
| Camp House Farms Ltd | Wigton | 2011 |
| Campbell Agri Services Ltd | Tain | 2013 |
| Campbell Contracting Ltd | Inverness | 2018 |
| Campbell Farming Company Ltd | Peterborough | 2019 |
| Campbell Farriers Limited | Tayside | 2002 |
| Campbell Sport Horses Limited | Swindon | 2018 |
| Campbell Trawlers Ltd | Lisburn | 2014 |
| Camperdown Farm Dairy Limited | Shipston On Stour | 2006 |
| Camperdown Tree Service Ltd | Dundee | 2026 |
| Campfield Farms Limited | Rainworth, Mansfield | 1971 |
| Camphill Development Limited | Bishop Auckland | 2014 |
| Campion Bros.Limited | Burton-Upon-Trent | 1937 |
| Campsie Salmon Limited | Glasgow | 2021 |
| Campylite Investments Limited | Bridgnorth | 2016 |
| Camrock Limited | Cannock | 2011 |
| Camson Nurseries Limited | Evesham | 1976 |
| Can-I Business Limited | Londonderry | 2014 |
| Canaan Country Limited | Peterborough | 2015 |
| Canada Anrun Biology Co., Limited | Cambridge | 2023 |
| Canary (Eco) Ltd | Derby | 2021 |
| Canbrook Ltd | Crossford | 2019 |
| Cancun Bloodstock Ltd | Ruislip, | 2024 |
| Candid Canine Ltd | Holywell | 2018 |
| Candletrees Farm Limited | Taunton | 2026 |
| Candletrees Polo Limited | Taunton | 2021 |
| Candletrees Yard Limited | Taunton | 2023 |
| Candy Farm Limited | Perth | 2021 |
| Canecorsofamilyuk Ltd | Manchester | 2026 |
| Canewdon Valley Estate Ltd | London | 2026 |
| Canfield Farming Limited | Dunmow | 2015 |
| Canford Renewable Energy Limited | Wimborne | 1994 |
| Cani UN Limited | Trowbridge | 2016 |
| Canine Academy Wisbech Ltd | Wisbech | 2024 |
| Canine Breeders (NI) Ltd | Fivemiletown | 2016 |
| Canine Capers Stourport Limited | Stourport-On-Severn | 2021 |
| Canine Country Club Boarding Limited | Stalybridge | 2022 |
| Canine Country Club Home Boarding Limited | Stalybridge | 2022 |
| Canine Country Retreat and Spa Ltd | Market Rasen | 2025 |
| Canine Countryside Escape Ltd | Chesham | 2019 |
| Canine Haven Ltd | Walsall | 2025 |
| Canine Karma Ltd | London | 2018 |
| Canine Rebalance Limited | Fleet | 2019 |
| Canine Sense Ltd | Bracknell | 2024 |
| Canine Valley (Rutland) Limited | Lutterworth | 2025 |
| Canipharm Limited | London | 2019 |
| Canna Global Investments PLC | Cardiff | 2019 |
| Cannacine Limited | Ashford | 2023 |
| Cannagenix Ltd | Southgate | 2025 |
| Cannahars Field & Forest Services Limited | Balgownie Road, Bridge Of Don | 2023 |
| Cannavista Ltd | London | 2025 |
| Cannim Limited | Great Malvern | 2018 |
| Cannings Cross Farms Limited | Devizes | 1989 |
| Cannington Enterprises Limited | Bridgwater | 2000 |
| Cannington Grain Services Limited | Bridgwater | 1977 |
| Cannixa Ltd | Plymouth | 2019 |
| Cannon Hall Farm Limited | Barnsley | 2003 |
| Canns Contractors Limited | Bideford | 2013 |
| Canny Cat Cattery Ltd | Dunfermline | 2023 |
| Canon Court Farm Limited | Chippenham | 2002 |
| Canopia Ltd | Derby | 2026 |
| Canoppia Group Ltd | London | 2025 |
| Canopy 2050 CIC | Nottingham | 2023 |
| Canopy Consultancy Ltd | Hildenborough | 2013 |
| Canopy Crest Ltd | Derby | 2026 |
| Canopy Cuts Limited | Oxford | 2024 |
| Canopy Growers Ltd | Leicester | 2026 |
| Canopy Tree Services Limited | Loughborough | 2012 |
| Canopy Tree Specialists Limited | Bedford | 2023 |
| Canopy Vale Ltd | Derby | 2026 |
| Cansdale HAY and Straw Ltd | Bury St. Edmunds | 2025 |
| Cantella Farms Limited | Solihull | 1986 |
| Cantellow Groundworks Limited | Swansea | 2018 |
| Cantellow Tree Surgery Ltd | Swansea | 2018 |
| Cantia Arboricultural Service Ltd | Gravesend | 2019 |
| Cantosa Farm Ltd | St Giles | 2022 |
| Cantray Estates | | 1982 |
| Cants of Colchester Limited | Colchester | 1924 |
| Canvins Equestrian Ltd | Canterbury | 2025 |
| Caolan Developments Ltd | Dungannon | 2011 |
| CAP and Stem Ltd | Milford Haven | 2025 |
| CAP Farms Ltd | Dungannon | 2012 |
| Capability Graham Limited | London | 2020 |
| Capall Livestock Ltd | Strathaven | 2021 |
| Cape Building Construction Limited | Truro | 2015 |
| Cape Farming & Bloodstock Limited | Consett | 2020 |
| Cape Farming and Forestry Limited | Consett | 2021 |
| Cape Sussex Wines Ltd | London | 2014 |
| Capehope Limited | Bodmin | 1997 |
| Capel Farming Limited | Bury St Edmunds | 2011 |
| Capel Mushrooms Limited | Ipswich | 1999 |
| Capel Renewable Energy Ltd | Tonbridge | 2017 |
| Capel Tree Surgeons Limited | Horsham | 2016 |
| Capel&Co Ltd. | Woodstock | 2017 |