| Cobev LimitedManchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2008 |
| Codorniu SAUnited Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1997 |
| Codorniu UK LtdBristol, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1999 |
| Coe of Ilford LtdWatford, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1960 |
| Coip LtdSaffron Walden, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2021 |
| Colderove S.R.L Tv 376882United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Colemans LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1993 |
| Colombier Vins Fins LtdSwadlincote, United Kingdom · UKcolombiervinsfins.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | –Premium (producers) | 13% | 1974 |
| Colosseum Wines LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2007 |
| Comis Holdings LimitedIsle of Man, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Comojo LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1993 |
| Comparts International LimitedWallingford, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2007 |
| Compass Contract Services LtdRubery, Birmingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1987 |
| Compass Supply Solutions LtdFareham, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1996 |
| Con Gusto Wines LimitedOldham, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Concha y Toro UK LimitedWheatley, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2000 |
| Condor Wines LtdOxon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2011 |
| Confidence Foods LtdCroydon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2017 |
| Connoisseur Estates LimitedWokingham, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Connoisseur International Distribution LtdStaines-upon-Thames, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1997 |
| Connolly's LtdSnow Hill, United Kingdom · UKconnollyswine.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | –Mid (producers) | 8% | 1976 |
| Consolidated Contractors International LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1985 |
| Consolidated Wines LimitedAshford, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2018 |
| Constant Brands LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2022 |
| Constantine LimitedUnited Kingdom · UKconstantinewines.com · checked 28 Oct 2026 | UK | 0 | – | – | –Premium (producers) | 12% | 1969 |
| Constantine Stores LtdFalmouth, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1947 |
| Consulate General of the Czech RepublicPraha, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2023 |
| Consumable Art LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2025 |
| Content Liverpool LtdLiverpool, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2018 |
| Continental Direct LtdNottingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2000 |
| Continental Wine & Food LtdHuddersfield, United Kingdom · UKcontinental-wine.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 1960 |
| Contoir Ws LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2016 |
| Controlled Parking LtdLondon, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Cook Industries LtdPlymouth, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2014 |
| Coolhurst Vineyards LtdLondon, United Kingdom · UKcoolhurstvineyards.com · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 2014 |
| Coravin UK LtdIpswich, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2021 |
| Cork & Vine Company LtdIlfracombe, United Kingdom · UKcorkandvine.shop · checked 28 Oct 2026 | UK | 0 | – | – | –Value (producers) | 14% | 2023 |
| Corker Wine LtdWeston-Super-Mare, United Kingdom · UKcorkerwine.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 2024 |
| Corking Wines LimitedYork, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2003 |
| Corkr Fine Wines LimitedBrentwood, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2009 |
| Corks Out Stockton Heath LtdWarrington, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Corney & Barrow Group LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1969 |
| Cornish Point Wines UK LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1999 |
| Cornwallis LimitedTipton, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1986 |
| Coroin LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2004 |
| Cosaporto UK LimitedLondon, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Cosmetic Doctor At Work LtdMarylebone, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2004 |
| Cosmicplanet LtdCambridge, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2025 |
| Cosmos Catering LtdBasildon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2016 |
| Costco Wholesale UK LtdWatford, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1991 |