Mr. Parker has been recognised as a leading individual in the Who's Who Legal Competition: Future Leaders - Partners report

Jonathan Parker

  • 99 Bishopsgate
  • London EC2M 3XF
  • United Kingdom

Jonathan Parker is a partner in the Antitrust & Competition Practice in Latham & Watkins’ London office. Mr. Parker’s practice focuses on European and UK competition law and he has considerable experience in merger control matters.

With more than 15 years of experience in government and private practice, Mr. Parker advises clients on a wide range of competition issues, including mergers and acquisitions, market studies, cartels/restrictive agreements, and abuse of dominance cases before the European Commission and the UK Competition and Markets Authority (CMA), as well as in relation to appeals to the UK Competition Appeal Tribunal and the EU General Court. Prior to joining Latham & Watkins, Mr. Parker worked as Director of Mergers at the CMA.

Mr. Parker is the author of “UK Merger Control” published by Hart Publishing (2nd edition released in 2016), which has been described in reviews as “an invaluable practical guide for practitioners” and as “the epitome of analysis of UK merger control.”

Merger control*

Whilst at the CMA, Mr. Parker was responsible for the investigation of more than three dozen transactions in industries such as oil and gas, healthcare, professional services, retail, and technology. Representative transactions include:

  • Iron Mountain’s acquisition of Recall
  • Ladbroke’s acquisition of the Gala Coral Group
  • Celesio AG’s acquisition of the pharmacy business of Sainbury’s Supermarkets Limited
  • PaddyPower plc’s acquisition of Betfair Group plc
  • Just Retirement Group’s acquisition of Partnership Assurance Group
  • Pure Gym Limited’s acquisition of LA Fitness
  • Motor Fuel Limited’s acquisition of 90 petrol stations from Shell UK Limited
  • Axa PPP Healthcare’s acquisition of the private medical insurance business of Simplyhealth Limited
  • Poundland’s proposed acquisition of 99p Stores
  • GTCR’s acquisition of Gorkana
  • WD-40’s acquisition of GT85
  • Sonoco Products’ acquisition of Weidenhammer Packaging Group
  • Information Resources, Inc’s acquisition of Aztec Group and related litigation with the CAT
  • Omnicell Inc’s acquisition of Surgichem Limited

In private practice, Mr. Parker has advised merging parties in relation to dozens of transactions in the pharmaceutical, oil and gas, gaming and hospitality, and retail sectors. Representative high value, cross-border transactions include advising:

  • Novartis on its US$40 billion acquisition of Alcon from Nestle (EU, first-phase clearance with remedies)
  • Shell on its acquisition of 253 Total-branded petrol stations from Rontec Investments (OFT clearance with remedies)
  • Rio Tinto on the acquisition of BHP Billiton’s jointly controlling interest in the Richard Bay Mining joint venture (EU)
  • Qatar Investment Authority on its acquisition of Fairmont Raffles Hotels International (EU)
  • OMERS Private Equity on its acquisition of Vue Entertainment
  • Blackstone on numerous transactions including its acquisition of Hilton Hotels, Worldspan (EU, Phase II), Acetex (EU, Phase II), Klöckner Pentaplast, pharmaceutical technologies division of Cardinal Health, Center Parcs, the European beverage division of Cadbury Schweppes, and United Biscuits
  • KKR on numerous transactions including its acquisition of Harman, First Data, Kion, Tarkett, Selenia, SBS Broadcasting (EU)
  • Adidas on its US$3.8 billion acquisition of Reebok (EU)
  • SAB Miller on its US$10 billion acquisition of Fosters
  • HBOS on its acquisition by Lloyds TSB (UK)
  • Hong Kong Exchanges & Clearing Limited on its acquisition of the London Metal Exchange*
Behavioral, cartels, abuse of dominance and market investigations*
  • Advising an international airline on a global airline alliance agreement (UK/EU)
  • Advising a global financial institution on the European Commission’s CDS Clearing investigation
  • Advising a global financial institution on the European Commission’s CDS information market investigation
  • Advising an intervener on the European Commission’s abuse of dominance investigation into Microsoft (browser)

*Matter handled prior to joining Latham & Watkins


Mr. Parker has written/spoken extensively on UK and EU competition law issues. A sampling of his writing/speaking appearances includes:

  • UK Merger Control (Hart Publishing, 2011, second edition expected in June 2016)
  • Advanced EU Competition Law, IBC Conference, April 2016
  • International In-House Counsel Journal Competition Law Conference, November 2015
  • British Institute of International and Comparative Law, Merger Control Conference, April 2015
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