| Bristol Spirits LimitedBristol, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1993 |
| Brit Insurance Holdings LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1995 |
| Bro Drinks LtdWarwick, United Kingdom · UKbrodrinks.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Brompton Bicycle LtdGreenford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1976 |
| Brox Distribution LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2025 |
| Bsip Foods LtdWembley, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Bsqrd LimitedCrieff, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Bts In London LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1988 |
| Buchanan Wines LtdWadebridge, United Kingdom · UKbuchananwines.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Bucks Club LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1996 |
| Bulldogfish LtdYork, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Bullet Investments LimitedDouglas, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2023 |
| Burridges of Arlington St LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Bvlgari LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1987 |
| C Is For Champagne LtdMaidenhead, United Kingdom · UKcisforchampagne.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| C L Rye Trading LtdNewton Abbot, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2000 |
| C.D.S. Limite DPlymouth, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1992 |
| CL&L Fine Wines LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2026 |
| Cabezac Collections LtdHove, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Cafe Royal Management LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Caffe la Fiamma LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Caledonian Heritable LtdEdinburgh, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1981 |
| Calvert Sporting LimitedBridport, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Cambrian Drinks LtdNewtown, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2023 |
| Cambridge Champagne Company LimitedCambridge, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |
| Campbells of Beauly LimitedBeauly, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Campden Investments LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1993 |
| Cape Wine & Food LimitedStaines-upon-Thames, United Kingdom · UKcapewineandfood.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Caper and Cure LtdBristol, United Kingdom · UKcaperandcure.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Capricci For London LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Capula Investment Services LtdReading, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2005 |
| Carrasco & Carrasco LimitedChelmsford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Cartell UK LtdCorby, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2008 |
| Cartier LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1919 |
| Casa Cruz London LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Castle Mclellan Foods LtdKirkcudbright, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1982 |
| Castlechain LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1983 |
| Catalytic Technologies LtdBillingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Cathay Importers LtdLondon, United Kingdom · UKcathayimporters.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 1973 |
| Cavendish Nuclear LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2005 |
| Celtic Wines LtdPembroke Dock, United Kingdom · UKcelticwines.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2003 |
| Centrepoint International Services LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2008 |
| Centurion Golf PLCAscot, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2012 |
| Ceva Ground Logistics UK LtdAshby de la Zouch, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1981 |
| Chalkhaven LtdRuislip, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2025 |
| Charbonnel et Walker LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1920 |
| Charles Edge London LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1999 |
| Charles River LtdKent, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1969 |
| Charlie Delta LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2023 |
| Charlie Herring LtdLymington, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2005 |