This question was answered on 10th September 2024
In July 2020, HMRC advertised the opportunity to tender for the current Trader Support Service (TSS) on the government tender notice portal, Tenders Electronic Daily (TED), which has now been replaced by Find a Tender. Prior to the tender being published, HMRC issued a Prior Information Notice (PIN) on TED to identify potential suppliers, and interested suppliers were invited to engagement sessions on the requirements.