Gillian Sproul



Gillian Sproul focuses her practice on advising clients on the impact of EU and UK competition law on their transactions, operations and business strategy. She represents clients in cartel and abuse of dominance cases, energy regulatory investigations and market inquiries before the EU and UK regulators and courts and has obtained EU, UK and other national clearances for numerous complex M&A and joint venture transactions. Her experience extends also to advising clients on competitor co-operation and information exchange, distribution and licensing and compliance.

According to the Chambers UK Guide 2017, Gillian is exceptional - a very experienced competition lawyer. She is very knowledgeable about our industry and she has a great analytical brain.


•Construction and engineering
•Construction materials
•Energy and utilities
•Financial services
•FMCG manufacture, food and non-food
•Hotels and leisure
•Intellectual property
•Litigation and dispute resolution
•Antitrust litigation and competition
•Technology, media and telecommunications

Awards & Recognition

•Listed, Chambers Global (Competition/European Law - UK), 2016-2017
•Listed, Chambers UK, 2006, 2008-2009, 2011-2017
•Listed, Chambers Europe, 2015
•Listed, The Legal 500, 2014-2016

Articles, Publications, & Lectures

Contributing Editor, Butterworths Competition Law, Mergers Section


•Quoted, Competition and Markets Authority in Hospital Sale Uturn, The Times, November 19, 2014
•Mentioned, How will the UK's Legal System Change if the Scots Vote Yes?, Lawyer2B, September 17, 2014
•Quoted, Healthcare Shake-Up Under Attack From All Sides, The Times, June 23, 2014
•Author, A Look At The UK's Private Health Care Market Inquiry, Law360, June 16, 2014
•Author, The CMA in Outline, Competition Law Insight, May 13, 2014
•Co-Author, Where Auto And EU Tech Transfer Agreements Collide, Law 360, April 18, 2014
•Author, A Tale of Nine Hospitals, Competition Law Insight, March 19, 2014
•Quoted, Global Update: New UK Watchdog Ready To Go On Day 1, Law360, March 18, 2014
•Quoted, City Finds Blind Spots in Miliband's Bank Plan, The Daily Telegraph, January 19, 2014
•Quoted, Private Healthcare Companies Told to Sell Off Nine Hospitals, City AM, January 17, 2014
•Quoted, A Straw Poll of City Legal Firms Reveals the Key Issues that Lawyers Will Face in 2014, The Times, January 9, 2014
•Author, Changing of the Guard, Competition Law Insight, November 12, 2013
•Mentioned, Dealmaker: Gill Sproul, Legal Week, October 18, 2013
•Quoted, Watchdog Unifying OFT with Competition, Financial Times, October 1, 2013
•Quoted, UK Antitrust Watchdog Launches With Work Left To Do, Law360, September 30, 2013
•Quoted, UK Labour's Energy Freeze Fraught with Competition Law Difficulties , Global Competition Review, September 26, 2013
•Interviewed, Labour's Energy Price Fix Could be Challenged by Courts or European Commission, ITV, September 25, 2013
•Quoted, Could European Commission Block Ed's Energy Price Freeze?, The Times, September 25, 2013
•Quoted, Centrica Labels Labour Plan as a Recipe for Ruin, City AM, September 24, 2013
•Interviewed, Interview with Gillian Sproul and Merlie Calvert, Competition Law Insight, April 16, 2013
•Co-Author, Evolution, Not Revolution? Reform of EU Technology Transfer Rules, Intellectual Property Magazine, April 1, 2013
•Quoted, UK Watchdog Flexes Criminal Muscle With Cartel Arrests, Law360, March 22, 2013
•Co-Author, Keep Watch Of French Authority's Pharma Sector Inquiry, Law360, March 20, 2013
•Co-Author, Competition Law Compliance Programs and Government Support or Indifference, Concurrences, June 2012
•Quoted, EU Court Tosses MasterCard Intercharge Fee Appeal, Law360, May 24, 2012
•Co-Author, Enforcers' Consideration of Compliance Programs in Europe, CPI Antitrust Chronicle, February 2012
•Co-Author, FRAND and the Smartphones Wars, Intellectual Property Magazine, December 31, 2011
•Author, Landlord Creditor Groups and Associated Competition Law Issues, Estates Gazette, September 17, 2011
•Author, Competition Issues, Construction News, February 3, 2011
•Author, Vitamins help the English Legal System to Win the Competition for Private Damages Actions, The Times Online, November 24, 2010
•Author, Directors and Competition Law - Inaction is No Longer an Option, Construction News, October 28, 2010
•Author, Legal Professional Privilege: In-house Lawyers Out of Luck, PLC Magazine, October 1, 2010
•Co-Author, Competition Law and Intellectual Property Rights, CLi in Brief, July 13, 2010
•Author, Competition Law and Intellectual Property Go Another Round, IP Frontline, July 7, 2010
•Co-Author, LPP and Business, Business Review Europe, June 2010
•Co-Author, EU Commission's Draft Guidelines on Assessment of Horizontal Cooperation Provide Welcome Clarification and Guidance, EuroWatch, June 14, 2010
•Author, A New Block Exemption for the Insurance Sector, Business Review Europe, May 2010
•Co-Author, Directors, Employees or Insurers - Who's Liable for Antitrust Fines?, Business Review Europe, April 1, 2010
•Author, Privilege for In-House Legal Advice- a Turning Point?, Legal Week, March 18, 2010
•Co-Author, A Significant and Overdue Repeal, Estates Gazette, February 27, 2010
•Author, International Legal Developments in Review: 2007, Europe, The International Lawyer, Vol.42, No.2, June 1, 2007


•Panelist, How to Cope with Brexit, Green Chemistry Conference, San Francisco, CA, September 16, 2016
•Speaker, Dawn Raids: Relevance & Scope of Investigations, Competition Summit 2013, Brussels, Belgium, December 5-6, 2013

Associated News & Events

Press Releases

03.28.17 Greenberg Traurig Attorneys, Practices Recognized by Prestigious Chambers Global Guide

12.16.16 Greenberg Traurig Represents Rentokil Initial plc on its Joint Venture with Haniel & Cie. Holding Company

09.15.16 Greenberg Traurig London Attorneys Recognised in The Legal 500 United Kingdom 2016 Guide

03.23.16 Greenberg Traurig Attorneys, Practices Recognized by Prestigious Chambers Global Guide

10.30.15 Greenberg Traurig Maher Recognised in Chambers UK 2016

09.10.15 Greenberg Traurig Continues Growth of Mexico City Office, Adds Leading Antitrust and Competition Lawyer Victor Manuel Frias

09.03.15 Greenberg Traurig Maher Represents Rentokil Initial plc on its Acquisition of The Steritech Group, Inc. for US$425 Million

04.30.15 Gillian Sproul to Join Greenberg Traurig


03.29.17 Brexit: The UK Formally Notifies EU of Brexit

01.25.17 Brexit in the Supreme Court

01.18.17 'Brexit means Brexit' - UK outlines plans for Brexit

11.04.16 Brexit: High Court Decides Approval of UK Parliament is Needed to Trigger Article 50

10.03.16 Brexit: 100-Day Update

08.08.16 Brexit: The UK's Options for Future Trade with the EU

08.04.16 Brexit: Implications for UK Competition Law

08.01.16 Brexit: International and EU Legal Frameworks Affected and Unaffected

07.26.16 Brexit: Potential Impact on Mergers & Acquisitions

07.26.16 ????:?????????? (M&A)

Areas of Practice (2)

  • Litigation
  • Antitrust Litigation & Competition Regulation

Education & Credentials

Contact Information:
+ 44 (0) 203 349 8861  Phone
+44 (0) 207 900 3632  Fax
University Attended:
St. Andrews University, M.A., Hons, French and German
Law School Attended:
Birmingham City University, Law Society Finals, with honors; Leicester University, LL.B., Hons, First Class
Year of First admission:
1990, England and Wales
English; French; German
Reported Cases:
Significant Representations: Obtained numerous EU and UK clearances and co-ordinated multi-national clearances for clients in a variety of industries, including; Handling antitrust aspects of public takeovers, private sales / purchases and joint ventures; Representing clients in Phase 1 and Phase 2 investigations; Advising on timetabling and consistency of advocacy issues where multijurisdictional clearances are required; Negotiating derogations from information and suspensory requirements; Advising on monitoring and divestiture trustee appointments; Negotiating conditions of clearance; Defended clients in European Commission and UK cartel and abuse of dominance investigations in sectors such as manufacturing, construction, energy, engineering, media, publishing and financial services.; Represented clients on appeal against cartel and abuse of dominance findings and penalties to the General Court and Court of Justice in the EU and the Competition Appeal Tribunal in the UK, securing strike-down of infringement findings and reductions in penalty.; Advised clients on competition-base court litigation, including follow-on damages litigation, in the UK.; Advised a major accountancy firm on its role and obligations as monitoring and divestiture trustee in an energy case.; Advised in coordination with U.S. lawyers on parallel cartel investigations by EU, UK and U.S. regulators, most recently in the publishing sector.; Advised clients on their participation in EU and UK sector inquiries, including the EU energy, pharmaceuticals and insurance inquiries and the UK groceries, aggregates and audit inquiries, including advising on appeal to the UK Competition Appeal Tribunal against findings of the UK regulator in the aggregates inquiry.; Advised on complaints to the EU and UK competition regulators and courts against merger clearances, market dominant businesses and competitor collusion and co-operation.; Represented clients in investigations by the UK sectoral regulators into breaches of licence and of sector regulation.; The above representations were handled by Ms. Sproul prior to her joining Greenberg Traurig Maher LLP.

Peer Reviews

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*Peer Reviews provided before April 15, 2008 are not displayed.

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  • London, England
    The Shard, Level 8 , The Shard, Level 8, 32 London Bridge Street

    + 44 (0) 203 349 8861 Phone

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