Marieke Koster

Recent experience:

• Advising and assisting with implementing a mass redundancy (150+ employees) at the Dutch premises of a US based multinational.
• Assisting with negotiations of the mandatory pension fund in the metal industry on joining the pension fund and the conditions thereof. Assisting with implementing the change in pension scheme as well as the applicability of the Collective Labour Agreement with retrospective effect in practice including negotiations with Works Council.
• Advising large multinational financial services company with one of the core businesses being insurances on the amended Dutch regulatory ‘bonus cap’ rules in the light of their existing variable remuneration policy including assessment of compliance of the individual variable remuneration packages of their executive/board members under the Dutch Regulatory Bonus Cap rules.
• Advising a multinational construction company in the light of their intention to second Irish and UK employees to The Netherlands on the law to be applied to the employment relationship in different scenario’s and whether or not these employees have to participate in the Dutch industry wide pension fund for the construction sector.
• Providing support in relation to a still confidential acquisition qualifying as a TUPE transfer in the health and life sciences sector impacting roughly 300 employees.
• Providing ongoing strategic advice to an international client in the industrials sector in relation to implementing their global remuneration policy whilst taking into account the obligations and restrictions following from the applicable collective labour agreement.
• Acting as a trusted advisor to one of her long-standing clients by taking on a more central and proactive role in complex employment law matters, providing both technical legal and practical support with her team as the client was faced with the consequences of labour shortage in the field of HR. This support related to collective labour agreement issues, works council negotiations and ongoing employment matters.
  
   

• Annotation with respect to ruling of European Court of Justice 2022, nrs. C-518/20 and C-727/20, ECLI:EU:C:2022:707
• Annotation with respect to ruling of the Court of Appeal The Hague 16 November 2021, JIN 2022
• Article “Taking and lapsing of holidays; employer’s pro activity required", ArbeidsRecht February 2019
• Article “The employee that is considered to be incapacitated for work before calling in sick", ArbeidsRecht October 2018
• Annotation with respect to ruling of the Court Zeeland-West-Brabant 3 February 2016, JIN 2016/101
• Annotation with respect to ruling of the Supreme Court in Amsterdam 20 May 2014, JIN 2015/26 http://jure.nl/ECLI:NL:GHAMS:2014:1888
• Annotation with respect to ruling of the Court in Amsterdam 7 March 2014, JIN 2014/209, JIN 2014/209 http://jure.nl/ECLI:NL:RBAMS:2014:6503
• Annotation with respect to ruling European Court of Justice 6 December 2012, JAR 2013/19
• Article "Damages to be paid in the event of manifestly unfair dismissal: an update", TAP September 2012

• Ranked in Legal 500 2025, the Netherlands, as Next Generation Partner for Employment
• Marieke is referred to in 2018, 2019, 2020 , 2021 and 2022 editions of Chambers
• Marieke was ranked as “Next Generation Partner” in 2021-2024 editions of the Legal 500

Client recommendations:

• Associate General Counsel at a multinational company: "Marieke is a talented employment lawyer who works to understand her clients’ business and advise on the law in a practical, contextual way. She is skilled at explaining particularities of Dutch employment law and cultural influences to foreign companies. She is also effective in providing training to non-lawyer. I would highly recommend Marieke."
• Chambers 2020: "The team stands out for its experience in cross-border restructuring matters. Advises on collective redundancies and represents employers in litigation arising from individual terminations. Clients often hail from the security, retail and aviation sectors. Offers a dedicated pensions law team to assist clients with pensions advisory matters." Clients: "proactiveness and forward thinking.", "pragmatic lawyers who try to find solutions for clients,", "they are strategic partners."  "Marieke Koster often assists with commercial contracts, restructuring, collective and individual dismissal cases, as well as works council negotiations. She works for clients active in the packaging, water and IT sectors."
• Chambers 2021: "Marieke Koster's remit encompasses reorganisations, TUPE matters and employment advice pertaining to sick leave. Clients underline her straightforward manner of counsel, one suggesting that "her advice is clear and practical."
• Chambers 2022: Clients say that Marieke Koster "is practical, knows her stuff, understands businesses and is very good at balancing a situation and giving you a clear path to follow." She advises multinational clients on the employment aspects of reorganisations and contentious employee terminations.
• Legal 500 2023 “I worked with Marieke Koster and Anique Bitterlich on a particularly difficult employment issue and they were both simply outstanding. Always available to help even in the evening and at weekends – nothing was too much trouble. They are professional and very knowledgeable in their subject matter.”
• Legal 500 2024: “Marieke Koster is extremely responsive and has a lot of experience and knowledge of Dutch employment law.”

Memberships:

• Marieke is a member of the Netherlands Employment Lawyers Association (VAAN) and the Rotterdam Employment Lawyers Association (VRAA) and regularly publishes in legal journals

Admitted to the Dutch Bar since May 2004.