Katinka Middelkoop


Katinka has a wide range of experience advising international corporates and financial institutions on complex cross-border and strategic M&A transactions. 
She has more than 20 years of experience (of which 10 as a partner) and previously worked as a US lawyer in the firm's New York office for over five years.


Representative matters

Van Lanschot Kempen on the acquisition of Robeco’s online distribution platform for investment services.

European Payments Initiative (EPI) on the acquisition of Currence iDeal a payment services company and Payconiq International, a mobile payment processing platform.

Aegon on the EUR830m sale of its insurance, pension and asset management businesses in Hungary, Poland, Romania and Turkey to VIG.

3i Infrastructure and DWS Group on the sale of Attero to Ardian.

Bilfinger on the acquisition of Stork’s business in NL, Belgium, Germany and the US from Fluor. 

Pro bono

Member of the advisory committee of Maatschappelijke Alliantie

Advising Circle Economy on several strategic transaction

Leadership Positions And Professional Affiliations

  • Dutch Bar
  • American Bar Association New York
  • State Bar Association
  • Member Advisory Board Maatschappelijke Alliantie
Katinka Middelkoop expertly led a multijurisdictional team. She excels both substantively and organizationally and does not grandstand or showcase where this is not required – this makes her very efficient. On top of that she is down to earth and practical.




Admitted: Bar of the Netherlands, 2000

Admitted: Bar of the State of New York, 2009

Listed in the register of legal practice areas of the Dutch Bar Association for Ondernemingsrecht


Grotius Financieel Recht, 2012

Elsevier Postgraduate Studies M&A, 2005

Master of Law (Civil Law & Corporate Law), Leiden University, 2000


Dutch, English
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.