AWRS90100 | Trade buyers: definition of a trade buyer
From HM Revenue & Customs · Alcohol Wholesaler Registration Scheme
Trade buyers are businesses which purchase alcohol from a wholesaler to either sell on to trade or to sell to private individuals; this includes retailers of any description but also any other businesses in the alcohol supply-chain that are purchasing alcohol for re-sale or re-supply in the course of that business. Trade buyers need to ensure when buying from wholesalers based in the UK that the wholesaler has been approved by HMRC.