Pieter Steyn


Commercial: Competition/Antitrust

Specialises in merger control, cartel investigations, abuses of dominance and other prohibited practices.

He has written several articles, been interviewed on radio and television and spoken and chaired panels at conferences and seminars on South African competition law and African competition law developments (including the COMESA competition regulations).

Named as a leading lawyer in:

  • The GCR Who’s Who of Competition Lawyers & Economists (2008 to 2015)
  • Competition by IFLR1000: The Guide to the World’s Leading Financial Law Firms (2011 and 2012)
  • Competition by the International Who’s Who Legal (2007-2013)

Named as a recommended lawyer in Competition by the Legal 500 (2011 and 2012)

Pieter acted for Funai Electric in lodging the first ever merger filing with the Competition Commission for the Common Market for Eastern and Southern Africa (COMESA) in 2013. He chaired the International Bar Association (IBA) working group which made submissions to the COMESA Competition Commission on its regulations and draft guidelines.  He has advised several clients on the COMESA merger control regime including filing the AerCap Ireland/IFLC merger.

He has also advised clients with regard to competition matters in other African countries including Nigeria, Zambia, Namibia and the CEMAC regional authority in central Africa.

Pieter has acted in numerous South African merger control cases including for Ford Corporation, Tata, BASF, ArcelorMittal, Schaeffler, Eastman Kodak, Goldman Sachs, Yazaki Corporation, Aon Corporation, Tupperware Corporation, Cadbury, Voestalpine AG, Cargill, Tiscali, Bollore and several South African corporate clients including Murray & Roberts, Kagiso, Mvelaphanda and PG Group.

Pieter has also advised numerous corporate and multinational clients with regard to cartels, other prohibited practices, compliance programs, due diligence and leniency applications under South African competition law including in the maize milling, wheat milling, lumber, vehicle, gas, steel, aviation fuel, airline, pharmaceutical, pet food, caravan and vehicle tracking industries.  His clients have included Wyeth Corporation (now merged with Pfizer), Virgin Atlantic, Royal Canin, ArcelorMittal, Leica and certain Japanese companies and other airlines.


BSc (LAB MED) LLB (University of the Witwatersrand)

LLM (Competition, Patent and Trade law) (University of South Africa)

1996: Director, Werksmans

Chairperson of LEX Africa (an Alliance of leading law firms in 25 African countries) since 2001

Speaks English, German, French and Afrikaans.

Member of the:

  • International Bar Association
  • Committee on Competition Law of the Law Society of the Northern Provinces

Co-Chair of the IBA’s Antitrust Committee from 1 January 2016. He was the Committee’s newsletter rapporteur for South Africa from 2001 to 2009 and Secretary, Membership officer, Vice Chair and Senior Vice Chair from 2010 to 2015.

Pieter wrote the chapter on South African merger control for a book on competition law in the BRICS countries published by Kluwer International in 2012. He also co-wrote the South African chapter of the American Bar Association’s treatise on competition laws outside the United States.  He has contributed the South African chapters to the Global Competition Review publications on vertical agreements and intellectual property and antitrust in 2007, 2008 And 2009.

In 2010 and 2013, he was part of a joint American Bar Association/International Bar Association team which provided programs on competition law for the Competition Commission of India.

In July 2011, he prepared and presented the submissions made by the Law Society of the Northern Provinces to the South African Parliament’s Committee on Economic Development with regard to the merger between Walmart and Massmart.

In 2015, he chaired the IBA working groups which made submissions to the South African Competition Commission on its penalty and public interest guidelines.