Strategic Research Sponsor of the American Bar Association's Section of International LawThe Queen's Award for Enterpise 2012

Deirdre Trapp

Deirdre Trapp
65 Fleet Street
+44 20 7936 4000
+44 20 7832 7001


Who's Who Legal Competition: Lawyers

Deirdre is an award-winning antitrust practitioner dealing with contentious and non-contentious antitrust matters. She was co-head of Freshfields’ antitrust, competition and trade group from 2000 to 2006, chair of sector groups in 2008 and global client partner from 2009 to 2012.

She has considerable experience of appearing before the UK Competition and Markets Authority, the EC Commission and other agencies worldwide.

Deirdre has been involved in a wide range of economic sectors, particularly retailing, consumer goods, financial services, media, energy and transport. She also has extensive experience in the liberalisation and regulation of these sectors under both EU and UK law.

Deirdre is ranked in the Chambers 100 of eminent lawyers in the UK, where she is noted for commercial awareness, communications skills, her “excellent concise advice and the ability to identify innovative solutions”. She has twice won The Lawyer’s Competition Lawyer of the Year award and was named the leading woman competition lawyer in Europe by Euromoney in 2011.

Recent highlights include: representing SSE in relation to the CMA's market investigation into the UK energy market, its intervention in an appeal of the electricity distribution price control and Ofgem’s Chapter II investigation into SSE’s connection business; advising Tesco on matters arising from the misstatement of its 2015 accounts including enforcement action by the Groceries Code Adjudicator; advising Telecity on the successful offer by Equinix and the negotiation of Phase 1 commitments with the EC Commission; advising hotel group IHG, on enforcement action by the CMA and other European competition agencies in relation to online travel agencies.

Deirdre holds an MA in politics, philosophy and economics from Oxford University.

Freshfields’ antitrust competition and trade practice comprises more than 50 partners and over 210 other specialists working worldwide to support our clients wherever and whenever they need us.

WWL says: Deirdre Trapp is "head and shoulders above the rest" in the eyes of our interviewees, who praised her UK and EU-related expertise

This biography is an extract from Who's Who Legal: Competition which can be purchased from our Shop.

Follow us on LinkedIn

Practice Areas


Browse Firms

Search Firms

The Who's Who Legal 100


News & Features

Special Reports



About Us

It is not possible to buy entry into any Who's Who Legal publication

Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

Copyright © 2017 Law Business Research Ltd. All rights reserved. |

87 Lancaster Road, London, W11 1QQ, UK | Tel: +44 20 7908 1180 / Fax: +44 207 229 6910 |

Law Business Research Ltd

87 Lancaster Road, London
W11 1QQ, UK