We advise on Ministerial reviews and judicial review challenges and coordinating challenges in multiple jurisdictions to provide one solution across all jurisdictions for clients.

We frequently make applications to the Foreign and Commonwealth Development Office and the courts for a designated person to be delisted, including recent success in securing the delisting of a designated person in the UK.

Notable Experience

  • Advising the former Chairman and majority shareholder of a listed Russian company in the telecommunications industry in the context of exposure he faced from the imposition of sanctions measures against him together with assisting him in preparing detailed written submissions to OFSI to seek a revocation of his designated status.
  • Advising a high-net-worth individual with alleged connections with the Government of Russia in the context of challenging his designated status in the UK and the US.
  • Advising and successfully obtaining the delisting of Semyon Simonyan from the UK consolidated list.
  • Advising a prominent individual in the Russian transport sector on a delisting challenge. 
  • Advising shareholders of an alleged military equipment engineering firm in potential delisting challenges. 

News & Insights

03.10.25

From Malaysia to Malmesbury: Lessons on Parent Company Liability and English Jurisdiction from Limbu v Dyson, Frances Jenkins and Nataliya Yankovska in ThoughtLeaders4 FIRE Magazine

01.10.25

PCB Byrne ranked in the Legal 500, UK 2026

02.09.25

Failure to Prevent Fraud — legal steps for financial services firms

08.08.25

PCB Byrne defeats claim against company directors for procuring breach of joint venture agreement