| International Diplomatic Supplies LtdCrawley, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2005 |
| International Management Group LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1969 |
| Isla Pine LtdEdgware, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2025 |
| Ivor Braka LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1984 |
| J&W Nicholson & Co LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2016 |
| James Oak & Co LtdHertford, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2026 |
| Jancisrobinson.com LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2003 |
| Jaoyeh Trading LtdSwansea, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2012 |
| Jazz Trading LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2009 |
| Jb Champagne & Co LtdLondon, United Kingdom · UKjbchampagne.com · checked 28 Oct 2026 | UK | 2 | – | – | – | – | 2018 |
| Jefferies International LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1986 |
| Jl Wine Consultancy LimitedFrome, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2017 |
| Joerg Geiger LtdAndover, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2024 |
| John Sinclair LtdSheffield, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1966 |
| Joules Brewery LtdMarket Drayton, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2008 |
| Juan & Juan LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2021 |
| Kedem Foods LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2009 |
| Kennington Oval LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2003 |
| Kerpac LimitedHoniton, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2019 |
| King West LimitedLeicestershire, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2000 |
| Knightvale Leisure LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2002 |
| Kreglinger LimitedNorthampton, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1972 |
| La Sovrana UK LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2017 |
| Lancaster Wine CompanyLancaster, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2013 |
| Latham & Watkins LLPLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2023 |
| Laurus Brands LtdTotton, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2008 |
| Le Deli Robuchon LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2017 |
| Little Georgia North LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2011 |
| Loch & Vine LtdEdinburgh, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2024 |
| Lurra LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2014 |
| Lynch AssociatesManchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2010 |
| Made In Oldstead LtdYork, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2020 |
| Madeera Wines LtdEmsworth, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2019 |
| Majestic International Freight Forwarding LtdDover, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1991 |
| Majik Wine LtdLincoln, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2021 |
| Malta Tourism AuthorityRicasoli, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2022 |
| Mamba Logistics LimitedStoke D'Abernon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2021 |
| Manchester Tennis & Racquet Club LimitedSalford, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2016 |
| Mangrove Global LimitedWoodford Green, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2013 |
| Manicomio LimitedEdgware, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2000 |
| Marble & Granite Services LtdHigh Wycombe, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2010 |
| Market Vendr LimitedGrimsby, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2012 |
| Marlico LimitedTorquay, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2003 |
| Mayfair Delivers LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2008 |
| Mayfair Hg LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2022 |
| Mckinley Vintners LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2010 |
| Mediterranean Direct LtdBlackburn, United Kingdom · UKmediterraneandirect.co.uk · checked 28 Oct 2026 | UK | 2 | – | – | – | – | 2007 |
| Mercia Wines LtdCoventry, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2020 |
| Midwest Machinery LtdLancs, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2012 |
| Mm Grocery LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2019 |