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Simon Polkerman

Advocaat | Co-Head of Dispute Resolution, Netherlands | Co-Head van de CMS ESG Litigation Groep

Languages
  • Dutch
  • English
  • Portuguese
Social media

Simon Polkerman is partner and co-head of the Dispute Resolution practice area group of our firm in Amsterdam and international co-head of ESG litigation. He advises and represents national and international companies in complex commercial disputes. Simon combines in-depth litigation experience with a multidisciplinary and strategic approach, and assists clients in court proceedings, arbitration and alternative forms of dispute resolution.

Simon is a highly experienced litigation lawyer with extensive experience in various types of litigation and arbitration, specialising in commercial litigation and ESG litigation. He handles major liability issues and contractual matters, but is also active in other areas, including class actions (mass claims), corporate litigation, proceedings relating to breach of contract, international torts, post-M&A matters and joint ventures. Simon excels in his multidisciplinary approach, knowledge and decisiveness.

He advises national and international clients on the full lifecycle of complex disputes, including advice on strategy, interim relief, preliminary evidence proceedings, attachment and enforcement, stakeholder and reputation management, complex settlement negotiations, and multidisciplinary and multi-jurisdictional aspects.

Simon has been with CMS since 2023; prior to that, he worked for twelve years as a lawyer within the litigation and arbitration practice at De Brauw Blackstone Westbroek (ranked Tier 1).

Awards & Recognitions
01 –
  • Quote
    "Andries and Simon Polkerman are excellent litigators in the field of commercial litigation. Their performance on their feet in court is exceptionally good, and their drive and commitment to achieve the optimal result for their client is extremely impressive."
    The Legal 500 EMEA, 2024
  • Quote
    "Andries and Simon Polkerman are top-notch litigators. They were born as lawyers and I have referred various cases to them."
    The Legal 500 EMEA, 2024

Memberships & Roles

  • Member of the Association for Mass Claims and Class Actions (Vemca)
  • Member of the Civil Law Association (VBR)
  • Member of the IBA Annual Litigation Forum

Awards & Rankings

  • The Legal 500 EMEA, 2024, Simon Polkerman is Recommended

Education

  • Groningen Graduate School of Law, preparatory PhD program, 2010 (University of Groningen)
  • Two-year Research Master's degree in the functionality of law, 2010 (University of Groningen)
  • Groningen Graduate School of Law, Privatissimum Honeurs Program, 2010 (University of Groningen)
  • Master in Corporate Law, 2009 (University of Groningen)
  • Master Private Law, 2009 (University of Groningen)
  • Bachelor Dutch Law, 2008 (University of Groningen)

Insights by Simon

CMS event: Where will you resolve your next dispute?

CMS event: Where will you resolve your next dispute?

24 Nov 2026 Zurich, Switzerland
COP31

COP31

06 Nov 2026 2 min read
The first step has been taken: Milieudefensie declared admissible in climate case against ING

The first step has been taken: Milieudefensie declared admissible in climate case against ING

11 Sep 2026 2 min read
CMS International Disputes Digest – 2026 Summer Edition

CMS International Disputes Digest – 2026 Summer Edition

13 Jul 2026 2 min read
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