Sjoerd advises international and domestic clients in corporate and commercial disputes both in international arbitration proceedings (including ICC, SIAC and NAI) and in proceedings before Dutch state courts (courts of first instance and courts of appeal). He further advises and litigates in the field of corporate and professional liability as well as coverage-related insurance disputes and duty of care claims.

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Memberships

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Dutch Bar Association, 2022
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Qualifications

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LL.M. Corporate Law, University of Groningen, 2021 (cum laude)

What others say

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Tom Claassens, Melle Boevink, and Sjoerd Koster are each exceptional lawyers who have a deep knowledge of dispute resolution and know their market. They find creative solutions, and it is a pleasure working with them.
Legal 500 - EMEA (2026)
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Sjoerd Koster

Associate - Attorney at Law

Sjoerd.Koster@loyensloeff.com

Amsterdam

English, Dutch

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<p>Sjoerd Koster, attorney at law, is a member of the Litigation & Risk Management practice group in our Amsterdam office. </p>

Sjoerd advises international and domestic clients in corporate and commercial disputes both in international arbitration proceedings (including ICC, SIAC and NAI) and in proceedings before Dutch state courts (courts of first instance and courts of appeal). He further advises and litigates in the field of corporate and professional liability as well as coverage-related insurance disputes and duty of care claims.