Simon Walsh 

Special Counsel – London
T.+44 (0) 20 7170 8642
100 Bishopsgate
London EC2N 4AG
United Kingdom V-CARD

Simon P. Walsh is special counsel in Cadwalader’s Global Litigation Group.

Simon focuses on high value international commercial arbitration and complex cross-border litigation and has acted for clients in the telecom, private equity, financial, maritime, offshore, power and aviation sectors. Simon has acted on some of the world’s largest international arbitration disputes in the telecoms sector.

Simon has represented both claimants and defendants in the English high court and in arbitrations under the LCIA, ICC, AAA, UNCITRAL, ICSID, SIAC, LMAA and VIAC rules. Simon also has extensive experience of managing multi-jurisdictional litigation in the offshore courts in Guernsey, Jersey, the Isle of Man, the British Virgin Islands, Bermuda and the Cayman Islands as well as in Europe and Russia. Simon’s experience extends to restructuring and insolvency matters, and to regulatory and civil/criminal investigations under the U.K. Bribery Act and the U.S. Foreign Corrupt Practices Act.

Simon also has detailed knowledge of the enforcement and annulment of international arbitral awards and judgments. 

Simon has been recognised as a leading practitioner by Legal 500 UK and Best Lawyers in the United Kingdom.

Prior to joining Cadwalader, Simon was Senior Investment Officer with Woodsford Litigation Funding in London, where he was responsible for global litigation and arbitration investments. Simon had a particular focus on shareholder activism and group/representative litigation in England & Wales, such as claims brought under section 90 and 90A FSMA as well as collective actions before the Competition Appeal Tribunal.

Prior to joining Woodsford, Simon was a senior associate in the international arbitration and litigation group of Skadden, Arps, Slate, Meagher & Flom (UK) LLP.

Simon is a solicitor, admitted in England & Wales, and has acted in matters before the English courts (including the High Court, Court of Appeal, and Privy Council) and has carried out advocacy before international tribunals. He holds a Masters Degree in International Trade and Maritime Law from the University of Southampton.


Simon’s recent cross-border disputes work includes acting for:

  • a leading Russian investment conglomerate in an LCIA arbitration regarding the disputed ownership of the leading telecoms operator, in a claim in excess of US$2.8 billion, with related proceedings in the British Virgin Islands;
  • the estate of an Asian multibillionaire in respect of claims brought to trace trust assets, in multiple proceedings in Asia and Bermuda. The claims were in excess of US$20 billion (the largest claim by value ever to come before the Bermuda Supreme Court);
  • successfully acting for Vivendi against Deutsche Telecom in Europe’s largest telecom arbitration; the case relates to a shareholder dispute involving Poland’s largest mobile phone operator, which is worth in excess of €2.5 billion, and was brought under the rules of the Vienna International Arbitration Centre. The case also involved related LCIA arbitration proceedings and the successful defence of a challenge to the Tribunal under Sections 67 and 68 of the Arbitration Act;
  • a leading natural resources conglomerate regarding allegations of bribery and corruption;
  • a Cyprus-registered shareholder company in LCIA arbitration in relation to a US$1.8 billion dispute concerning the control of Ukrainian assets;
  • a leading communications group in Europe’s largest telecom arbitration relating to a shareholders’ dispute worth in excess of €2.5 billion under the rules of the Vienna International Arbitration Centre and involving three parallel Vienna seat arbitrations and related proceedings in Poland, France and Switzerland;
  • a global communications company in successfully defending a challenge to an arbitral tribunal under section 67 Arbitration Act 1996 in the English High Court;
  • a leading reinsurance company in relation to a professional negligence claim worth in excess of US$100 million;
  • an engineering company in an ICC arbitration worth in excess of US$150 million concerning a dispute arising under a contract for the design, construction, transportation and commissioning of two unmanned offshore well-head platforms; and
  • in pro bono matters, Simon has successfully acted in many appeals before the First Tier Tribunal (Social Entitlement Chamber).

*Certain representations occurred prior to Simon's association with Cadwalader.






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Simon Walsh 


  • England & Wales


  • University of Southampton