| 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 |
| Monastic Order LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2020 |
| Moreira and Son LtdRoslin, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2018 |
| Msi-Moving Specialists Int. LtdBedford, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2011 |
| My Blue Rose LimitedGodalming, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2019 |
| Narang Wholesalers LtdWest Yorkshire, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1995 |
| Noble Premium LimitedLoughton, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2021 |
| Nobu London LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1997 |
| Nomad Collection LtdKingsbury, London, United Kingdom · UKnomad-collection.com · checked 28 Oct 2026 | UK | 2 | – | – | – | – | 2016 |
| Northlodge Holdings LimitedWoodstock, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2018 |
| Oaktree Capital Management LLPLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2011 |
| Odysea LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1991 |
| Ohme Operations UK LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2019 |
| Opatra LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2010 |
| Orange Pack LtdCorby, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2015 |
| Oriental Drinks LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2016 |
| Osa Fine Spirits LtdUnited Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2003 |
| Osteria Ovada LtdLondon, United Kingdom · UKosteriaovada.com · checked 28 Oct 2026 | UK | 2 | – | – | – | – | 2021 |
| Other World Wines LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2018 |
| Oxuniprint LimitedOxford, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1984 |
| Pale Ruby Wine LtdLondon, United Kingdom · UKpalerubywine.com · checked 28 Oct 2026 | UK | 2 | – | – | – | – | 2026 |
| Paulian Investments East Rid Ing LimitedDriffield, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2022 |
| Pellegrino Wine and Food Distribution LtdCardiff, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2017 |
| Pepe y Pepa LtdSidcup, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2013 |
| Petredec LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2015 |
| Petrus Advisers LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2012 |
| Phg Global Alliance LtdNottingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2024 |
| Piazza Italiana LimitedLondon, United Kingdom · UKpiazzaitaliana.co.uk · checked 28 Oct 2026 | UK | 2 | – | – | – | – | 2018 |
| Pompette Vin LimitedNewcastle upon Tyne, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2025 |
| Potenti LtdWarrington, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2020 |
| Prego DeliStockbridge, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2017 |
| Premium Motorhomes LimitedDoncaster, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2012 |
| Prestige Exclusive Lifestyle LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 2009 |
| Prime Wines LimitedCranbrook, United Kingdom · UKprimewines.com · checked 28 Oct 2026 | UK | 2 | – | – | –Premium (producers) | 7% | 2016 |
| Princes Group PLCLiverpool, United Kingdom · UKchecked 28 Oct 2026 | UK | 2 | – | – | – | – | 1988 |