Omar Shah represents clients in complex global merger control transactions and cartel investigations as well as antitrust litigation and investigations, particularly those involving the intersection of competition law with intellectual property as well as media/communications, pharmaceutical, transport, financial services, and data privacy regulations. Omar represents clients before UK, EU, and other competition authorities, courts, and tribunals and in commercial and regulatory litigation proceedings, including judicial reviews. Chambers UK has described him as a “smart and outstanding lawyer who is a true global player" as well as a “charming and effective partner who instantly wins the client's confidence and respect."
Omar is the general editor of Class and Collective Actions Global Guide, an online PLC resource, and has co-authored a number of articles in academic journals. He is a regular speaker at conferences including those organised by the Law Society and the ABA.
Omar previously completed a training period within the European Commission’s Directorate General for Competition in the unit responsible for antitrust and merger control in the telecommunications, media, and technology sector.
Ranked, Competition Law, Chambers UK (2025)
Ranked, Competition Law, UK, Chambers Global (2013–2024)
Recognized, Competition Law, London, The Best Lawyers in the United Kingdom (2020–2022)
Recommended, Dispute Resolution: Competition Litigation, The Legal 500 UK (2025)
Recommended, Industry Focus: Life Sciences and Healthcare, The Legal 500 UK (2024, 2025)
Recommended, Corporate and Commercial: EU and Competition, The Legal 500 UK (2014–2024)
Member, Practice Group of the Year, Competition, Law360 (2017–2021)
Recognized, Global Competition, Global Competition Review's Who's Who Legal (2019, 2020)
Recognized, US News & World Report and Best Lawyers 2017 Practice Group of the Year for Antitrust Law
Ranked, UK: Competition/European Law, Chambers Global (2016–2017)
Past Chair, Law Society Competition Section Committee