Image: Roger Barron

Roger Barron

Partner, Corporate Department


Phone: 44-020-3023-5150
Fax: 44-020-3023-5450


Roger Barron is a partner in the London office of Paul Hastings and is the firm’s Global Vice Chair, M&A. Mr. Barron is a specialist in corporate law, including public and private mergers and acquisitions, demergers and reorganisations, and corporate finance. He has a wide range of sector expertise, including energy, utilities, media, and telecoms.

Mr. Barron is a key boardroom adviser to a number of the firm’s FTSE 100 and FTSE 250 clients, offering strategic guidance and counsel on corporate governance.

He also heads the London office’s practice advising activist shareholders in relation to their investments in listed U.K. and European companies. Having advised many boards from the other side of the table, Mr. Barron is particularly well placed to assist investors in achieving strategic change and maximizing value.


  • Featured in The Lawyer’s Hot 100 2018 in the "Dealmaker" category
  • Named in the ‘Hall of Fame’ for M&A by The Legal 500 UK 2022: ‘Roger Barron is noted for his formidable M&A experience’ and ‘provides wise counsel, is very commercial and responsive’
  • Recognized as a noteworthy individual in Who’s Who 2019, 2020, and 2021
  • Merger Market: Discussing opportunities and challenges for dealmaking in the COVID-19 era
  • Provided expert evidence relating to the U.K. Government's National Security and Investment Bill to the House of Commons Foreign Affairs Select Committee in 2020


  • New College, Oxford University


Mr. Barron has led on many of the market’s significant corporate transactions. Highlights include advising: 

  • The financing banks to Ancala Partners and Fiera Infrastructure on their announced £390 million bid for Augean plc by scheme of arrangement;
  • The financing banks to Cobham on its announced £2.6 billion bid for Ultra Electronics by scheme of arrangement;
  • The financing banks to Nordic Capital on its announced $846 million bid for Advanz Pharma by scheme of arrangement;
  • Keysight Technologies, Inc. on its acquisition of Eggplant, a software testing company, from The Carlyle Group for $330 million;
  • Jacobs Engineering Inc on its acquisition of Wood Group PLC’s nuclear business for £250 million;
  • Credit Suisse, Goldman Sachs, and Citibank as arrangers and underwriters in relation to Advent International’s £2.5 billion bid to acquire Cobham plc;
  • Intel Corporation on its acquisition of Omnitek, a processor solutions business, and Cosmonio, an intelligent systems designer;
  • National Grid on several deals, including the sale of a majority stake in its gas distribution business, the merger with Lattice Group, a £3.3bn rights issue, and the £1.1bn acquisition and £2.5bn disposal of National Grid Wireless;
  • Argus Media on its strategic partnership with General Atlantic, including the acquisition of a majority stake;
  • Linde on the €2.8bn sale of certain businesses to Messer Group and CVC, in connection with its merger with Praxair;
  • Deutsche Börse on its announced merger with the London Stock Exchange;
  • Lendlease on the £696m disposal of its interest in the Bluewater Shopping Centre;
  • Siemens on the £1.7bn acquisition of the international automated rail business of Invensys;
  • ON on the £4bn disposal of Central Networks and the demerger of Uniper;
  • RTL on its sale of Channel Five;
  • Northgate on its Class 1 acquisition of Arinso and public offer by KKR; and

    Practice Areas

    Technology, Media and Telecommunications
    Mergers and Acquisitions




    England and Wales Solicitor


    University of Oxford - New College, M.A. 1990

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