| Annessa Imports LimitedWorksop, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1992 |
| Anteros Wine and Spirits Merchant LimitedLondon, United Kingdom · UKanteroswineandspirits.com · checked 28 Oct 2026 | UK | 0 | – | – | –Premium (producers) | – | 2020 |
| Anthony Byrne Fine Wines LimitedRamsey, United Kingdom · UKabfw.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | –Premium (producers) | 16% | 1983 |
| Anthony Stroud Bloodstock LimitedNewmarket, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1986 |
| Antolin Interiors UK LimitedRedditch, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1982 |
| Antonio's 1 LtdOldham, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2010 |
| Apax Partners LLPLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2002 |
| Appellation Nation LimitedCheltenham, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Appellations LtdLondon, United Kingdom · UKappellations.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 2010 |
| Appetitus LtdOakham, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2006 |
| Apple Print LimitedNewbury, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1986 |
| Appleberry Foods LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2007 |
| Apua Nova LtdLondon, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Aqua Sativa LtdWilmslow, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Aquawolf LimitedIsle of Man, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Arab Cargo Co LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1993 |
| Arbre Wines LtdBraunton, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Arc Reserves LtdGreat Shelford, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2010 |
| Arcadian Wines LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2007 |
| Arctic Leo UK Productions LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2025 |
| Arden Wines LimitedAlcester, United Kingdom · UKardenwines.com · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 2015 |
| Argile London LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2019 |
| Ariadna Concierge LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2014 |
| Ariston Foods LtdEdinburgh, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2014 |
| Arkell's Brewery LimitedSwindon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1927 |
| Arma & Partners LtdCobham, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2017 |
| Armada ASUnited Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Armenian Wine Importers LtdSelkirk, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Armit Wines LimitedLondon, United Kingdom · UKarmitwines.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | –Fine (producers) | 22% | 1982 |
| Army & Navy Club LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2013 |
| Aronic LimitedCardiff, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2019 |
| Artelium LimitedWorthing, United Kingdom · UKartelium.com · checked 28 Oct 2026 | UK | 0 | – | – | –Premium (producers) | – | 2023 |
| Artisan Group of Brands LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2024 |
| Artisans of Sardinia LtdLondon, United Kingdom · UKartisansofsardinia.com · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 2019 |
| Arts Club LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1896 |
| Artscapy LtdPortsmouth, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2020 |
| AS&G LtdLondon, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Asahi UK LtdLondon, United Kingdom · UKasahidirect.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | –Mid (producers) | – | 2019 |
| Asda Stores LimitedUnited Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1949 |
| Aseyie Wines LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2025 |
| Asg Wines LimitedLondon, United Kingdom · UKchecked 26 Oct 2026 | UK | 0 | – | – | – | – | – |
| Aspar Pharmaceuticals LimitedUnited Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1991 |
| Aspen & Meursault LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2021 |
| Astir Cigars & Wine LimitedKingston upon Thames, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2016 |
| Astrum Wine Cellars LimitedMitcham, United Kingdom · UKastrumwinecellars.com · checked 28 Oct 2026 | UK | 0 | – | – | –Mid (producers) | 18% | 1997 |
| Athila Roos LtdStroud, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2018 |
| Atlantico UK LtdCroydon, United Kingdom · UKatlantico.co.uk · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 1995 |
| Atlas Country Estate BvbaBrussels, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 2022 |
| Atlas Fine Wines LimitedNottingham, United Kingdom · UKatlasfinewines.com · checked 28 Oct 2026 | UK | 0 | – | – | – | – | 2010 |
| Atom Supplies LimitedTonbridge, United Kingdom · UKchecked 28 Oct 2026 | UK | 0 | – | – | – | – | 1996 |