MWL International Limited & Maywal Limited v HMRC [2026] UKUT 00062 (TCC)

Upper Tribunal Tax and Chancery Decision of Mr Justice Adam Johnson and Judge Thomas Scott on 6 February 2026.

Read full decision: MWL International Ltd & Maywal Ltd v HMRC - Final Decision

NATIONAL INSURANCE CONTRIBUTIONS – agreement with inspector of taxes that certain cars would be “pooled cars” for NICs purposes if various conditions satisfied – HMRC subsequently sought to collect NICs retrospectively – whether HMRC estopped from doing so – whether the FTT had jurisdiction to decide whether Appellants had legitimate expectation that decisions would not be retrospective  – appeal dismissed

Updates to this page

Published 10 February 2026