photo of sima ostrovsky

Sima Ostrovsky

Antitrust & Foreign Investment Counsel, London

“I am an international lawyer, having practised competition law in London, New York and Johannesburg. I deliver expertise and innovative solutions to clients in all aspects of competition law, including complex M&A, foreign direct investment, abuse of dominance, cartels, verticals/distribution and other behavioural matters."


Education and qualifications


Sima joined Linklaters’ Antitrust & Foreign Investment Group in 2013 in the London office. She brings her diverse background and expertise to clients in a variety of sectors, including consumer goods, payment systems and FinTech, rail, energy, pharmaceuticals and mining.

Sima gained invaluable experience during her secondments to the competition teams at Unilever and Visa, as well as from her clerkship at the Constitutional Court of South Africa.

Work highlights

Sima’s recent experience includes advising:

  • E.ON on a EUR43bn asset swap deal with RWE, involving distribution grid and customer solutions as well as renewables activities
  • Unilever on unification of its dual-headed structure
  • TowerBrook Capital Partners and Warburg Pincus on the merger control and foreign investment aspects of their £2.8 billion recommended cash offer of AA plc
  • A mining client on various production, supply, profit sharing and distribution agreements
  • A consumer goods client on a parallel trade audit of its business
  • A leading investment bank in a successful defence against the European Commission’s antitrust case involving credit default swaps

Education and qualifications

Sima holds a Master of Laws from New York University, for which she was awarded the Betty Bock Prize for excellence in competition law and policy.

She obtained her law degree from the University of Cape Town, where she graduated top of her class, and an undergraduate degree in Finance and Economics from the University of KwaZulu-Natal, South Africa (summa cum laude).