Maryanne Angumuthoo

Maryanne Angumuthoo

Partner Johannesburg, South Africa
T: +27 11 669 9395
  • Overview
  • Experience
  • Publications & Insights


Maryanne Angumuthoo is a partner in our Johannesburg office Competition Practice.

She advises on various aspects of competition law including merger notifications, cartel investigations, leniency applications and competition compliance audits across a number of industries including healthcare, energy (oil, natural gas and LPG), and chemicals.  Her experience also extends to competition-related litigation and training.  Maryanne also assists clients with merger filings and competition law conduct in other African countries.  Aside from her competition work, Maryanne advises on the gas regulatory framework in terms of the Gas Act and Regulations, including the gas pricing regime.

Maryanne has BA, LLB and LLM degrees from the University of KwaZulu-Natal, an LLM from Duke University School of Law, USA (as the recipient of a World Bank Graduate Scholarship) and Certificates in Competition Law and Advanced Administrative Law from the University of the Witwatersrand and in European Competition Law and Policy from the London School of Economics and Political Science, UK.

Specialist Services

Relevant Experience

  • Advising one of the three large hospital groups in South Africa in the market inquiry into private healthcare.
  • Assisting a key energy client with its gas pricing application to be presented for approval to the National Energy Regulator of South Africa
  • Engaged in high court and Supreme Court of Appeal review proceedings regarding the gas pricing regime.


  • Advised on the Microsoft/LinkedIn matter which has been nominated for the Global Competition Review (GCR) Awards 2017 Merger control matter of the year – Europe: Creative, strategic and innovative competition work for a client on a landmark merger control matter in Europe.
  • Advised on the AB InBev/SABMiller matter which has been nominated for the Global Competition Review (GCR) Awards 2017 Matter of the year: Merger control, cartel, unilateral conduct, litigation or any other competition matter worldwide. Creative, strategic and innovative work by teams of in-house and external lawyers and economists.

Publications & Insights