John Adebiyi

John Adebiyi

Partner, Mergers and Acquisitions; Corporate; National Security
John Adebiyi focuses on corporate matters, particularly public and private mergers and acquisitions and private equity transactions. In addition, he advises clients on the U.K. national security aspects of transactions, including those involving companies in the defense and aerospace sectors.


Matters in which Mr. Adebiyi has been involved include representing:

Corporate Transactional Matters

  • Central Group and SIGNA Holding GmbH in their US$5.3 billion acquisition of Selfridges & Co. Limited from the Weston Family;
  • NCR Corporation in its US$1.7 billion acquisition of Cardtronics plc;
  • Raymond James Financial, Inc. in its US$387 million acquisition of Charles Stanley Group plc;
  • CME Group Inc. in its joint venture with IHS Markit Ltd. to combine their post-trade services;
  • Royal Caribbean Cruises Ltd. in its initial US$1 billion acquisition of a 66.7% interest in Silversea Cruises and its subsequent acquisition of the remaining 33.3% interest in the company;
  • Nasdaq, Inc. in its approximately US$795 million offer to acquire Oslo Børs VPS Holding ASA;
  • Armstrong World Industries, Inc. in the US$330 million sale of its EMEA and Pacific Rim businesses to Knauf International Gmbh;
  • DH Private Equity Partners and Middenberm Group in the US$2 billion sale of TMF Group Holding B.V. to funds advised by CVC Capital Partners Limited;
  • in its:
    • US$1.7 billion acquisition of Skyscanner Holdings Limited; and
    • acquisition of a 70% stake in Travelfusion Ltd., a provider of software for the travel industry;
  • Doughty Hanson & Co. in its US$1.65 billion sale of LM Wind Power A/S to General Electric Company;
  • Formation Capital’s investee company HC-One in its acquisition of Helen McArdle Care from HMC Group; and
  • Nomura Holdings, Inc. in the acquisition of both the Asia Pacific franchise and the European and Middle East equities and investment banking units of Lehman Brothers — selected as Deal of the Year by Asian-Counsel magazine and as Restructuring Deal of the Year by International Financial Law Review.

National Security Matters

  • Cobham Limited, a portfolio company of Advent International Corporation, on the U.K. national security aspects of its US$3.6 billion acquisition of Ultra Electronics Holdings plc;
  • CPI International, Inc., a portfolio company of Odyssey Investment Partners, LLC, in its acquisition of TMD Technologies Ltd, a leading provider of technologically advanced equipment for radar, electronic warfare, communications and other applications; and
  • Veritas Capital in its:
    • US$1.35 billion sale of Abaco Systems, Inc., a provider of computing and electronic systems for aerospace, defense and specialized industrial markets; and
    • US$2.8 billion acquisition, along with Evergreen Coast Capital Corporation, of Cubic Corporation, a leading provider of live, virtual, constructive and game-based training solutions for U.S. and allied forces.

Mr. Adebiyi has repeatedly been selected for inclusion in Chambers Global: The World’s Leading Lawyers for Business, Chambers UK and Best Lawyers in the UK, in addition to being repeatedly recognized as a Highly Regarded lawyer in IFLR1000. Mr. Adebiyi also was named a key lawyer by The Legal 500 UK 2020.



  • B.A., Jurisprudence, St. Anne’s College, Oxford University, 1989 (honours)
  • College of Law, Chancery Lane, 1990 (Solicitors Final Examination, First Class honours)


  • Solicitor, England & Wales
  • Hong Kong
  • Solicitor, Hong Kong SAR

John Adebiyi

Partner, Mergers and Acquisitions; Corporate; National Security