Competition/Antitrust
South Africa
9 years ranked
Provided by MGI Competition Law
Neil has experience in all types of cases under the South African Competition Act, including mergers, cartel and abuse of dominance investigations and litigation, market inquiries and exemption work.
Neil has particularly deep expertise in market inquiries by the Competition Commission, having advised clients in inquiries into private healthcare, liquid petroleum gas, grocery retail, online intermediation platforms, fresh produce and the interaction between news media and digital platforms.
Neil worked in the Johannesburg office of Fasken for 17 years, including 4 years as head of the competition department in Fasken's Johannesburg office, before co-founding MGI Competition Law in 2024.
Neil has been recognised for his expertise in South African competition law by Chambers Global, Who’s Who Legal, Global Competition Review, Legal 500 and Best Lawyers.
Represented Alstom S.A. in South African merger control proceedings relating to its 2020 acquisition of Bombardier Transportation.
Represented Google LLC in South African merger control proceedings relating to its 2020 acquisition of Fitbit.
Representing Nomura International Plc in contested cartel litigation relating to trading of the ZAR / USD currency pair.
Representing F. Hoffmann-la Roche AG in excessive pricing litigation relating to cancer medication.
Represented Air Liquide in its acquisition of the largest air separation units in the world from Sasol South Africa.
Represented the South African Petroleum Industry Association in contested cartel litigation relating to the supply of diesel.
Represented Aspen Pharmacare in merger control proceedings relating to its 2025 acquisition of Boehringer Ingelheim's South African portfolio.
Rhodes University
Bachelor of Arts
2002 - 2004
Rhodes University and University of Leicester
Honours, Economics and Law
2005 - 2005
University of the Witwatersrand
Bachelor of Laws
2006 - 2007
King's College London
Masters in Competition Law and Economics
2011 - 2012
King's College London
Postgraduate Diploma in Economics for Competition Law
2013 - 2013
Provided by Chambers
Based in Johannesburg, Neil MacKenzie of MGI Competition Law has developed a notable reputation for his competition advice on high-profile behavioural investigations into allegations of abuse of dominance or cartels. He further assists clients with merger control filings for international and domestic transactions.
Provided by Chambers
Neil MacKenzie holds your hand in anything you need.
Neil MacKenzie is brilliant. He is a very cool-headed individual who is very calm and very intelligent. He has a way of simplifying things.
Neil MacKenzie is like a master chess player - he understands the board, how to strategically get the best from each of the pieces and he sees multiple scenarios before even making his first move.
Neil MacKenzie is extremely knowledgeable and smart in his approach to competition law issues, with a personable element of care and concern for client matters.
I'd say he is one of the most creative competition lawyers I know.
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