Mr David M. Harrison > Mayer Brown International LLP > London, England > Lawyer Profile

Mayer Brown International LLP
David M. Harrison photo

Work Department


David Harrison is a partner in the London office. He co-leads the European Antitrust and Competition team and is one of the group leaders of the global Antitrust practice. He has practised competition law for over 27 years in London and Brussels, and has advised numerous major global corporations in a wide range of sectors.

He has represented parties to some of the largest global cartel investigations of recent years.  His merger control experience includes advising on many high profile cases, obtaining clearance of numerous transactions under the EU Merger Regulation and UK merger control rules, and co-ordinating complex multi-jurisdictional cases.

David also advises on abuse of dominance, complaints, compliance and litigation at EU and national level, and on the application of the competition rules in regulated sectors. He has extensive State aid experience, including in relation to major infrastructure and public sector projects, and has advised on a wide range of other aspects of EU law.

Lawyer Rankings

London > Corporate and commercial > EU and competition

Mayer Brown International LLP is instructed on a range of competition issues, including cartel investigations, distribution agreements and behavioural issues. The team also is able to call upon the expertise of its multiple European offices, including the newly-recruited Düsseldorf group, as well as its practices in the US and Asia. David M. Harrison heads the European team and advises private equity firms on merger control matters.


Vietnam > Banking and finance

Mayer Brown, which has had an on-the-ground presence in Vietnam since 1994, acts for clients on complex project finance, acquisition finance and property finance transactions, among other work streams. In addition to being active in matters with a nexus to Vietnam, the group is also sought after for advice on cross-border transactions in South East Asia and elsewhere across Asia. Leading the team is New York-qualified partner David Harrison , who is a well-known name among multilateral and commercial lenders and agents. He is supported by senior associate Orsolya Szotyory-Grove, who is also New York-qualified.

Vietnam > Corporate and M&A

Mayer Brown‘s team is led by New York-qualified partner David Harrison, who excels in M&A, joint ventures, disposals and general corporate matters. He is equally strong advising foreign companies on their investments in Vietnam as he is acting for domestic companies on their outbound activities. Harrison is supported by counsel Hai Thao Nguyen, who has over 10 years of experience advising clients in the real estate and insurance sectors. Another key name is senior associate Orsolya Szotryory-Grove, who is also a US-qualified lawyer.