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Stewart Payne

Senior Associate
Senior Associate
Johannesburg Africa Group

Stewart is a senior associate in the competition practice, based in Johannesburg.

Stewart has assisted clients on various aspects of competition law, including in relation to merger control, market inquiries, cartel and other prohibited practices and involving both litigious and advisory work. Stewart has also assisted clients on various regulatory matters, including in the broadcasting and transport sectors and other regulated markets. Although primarily focused on South Africa, Stewart has worked on a range of matters involving merger control and anti-competitive practices across other sub-Saharan African jurisdictions as well.


Stewart is an admitted attorney of the High Court of South Africa. He holds a Business Science degree specialising in Economics and Law (with distinction) and a Bachelor of Laws (magna cum laude), both from the University of Cape Town.

Experience & expertise

Selected matters

  • advising a NYSE-listed towerco in respect of its acquisition of tower infrastructure from one of South Africa's largest mobile network operators
  • acting for a leading South African 5G network operator in defending allegations that various infrastructure and RAN-sharing agreements constituted a notifiable merger
  • acting for a major South African and international banking group in relation to its defence of allegations of price fixing and market division in foreign exchange trading
  • advising a global e-hailing platform in respect of the South African Competition Commission's Online Intermediary Platform Market Inquiry
  • advising an FMCG company in its appeal against findings of excessive pricing, unfair pricing and price discrimination in Zambia.