BASE Advocaten Rotterdam
Rob Sies - BASE Advocaten

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Rob Sies is partner and one of the founders of BASE. As a lawyer he focuses entirely on the employment law practice. In that regard, Rob assists and advises commercial organisations, nonprofit organisations (care institutions and housing associations), managing directors, supervisors and employees in an accessible and practical manner. As a sparring partner, his every day business is to provide tailor-made services; for and with you. Rob is pre-eminently specialised in the area of employment conditions, employment contracts, non competition clauses, employee participation, works councils, reorganizations/collective redundancy, employment conflicts, dismissal law and the position/dismissal of directors under the articles of association, both as director and/or employee. Due to his special affinity with top management of care institutions, he has extensive experience with - and knowledge of - the 'Wet Normering Bezoldiging Topfunctionarissen publieke en semipublieke instellingen (WNT)'.

Rob Sies has registered the following principal (and secondary) legal practice areas in the Netherlands Bar's register of legal practice areas (rechtsgebiedenregister):

Labor law
- Collective redundancies
- Employee participation

Based on this registration, he is required to obtain ten training credits per calendar year in each registered principal legal practice area in accordance with the standards set by the Netherlands Bar.


  • Labor law
  • Collective redundancies
  • Employee participation


  • Partner


  • Dutch
  • English


  • Dutch Law, Erasmus Universiteit Rotterdam (1998)
  • Kapodistrische University of Athens (Greece)
  • Grotius Academy Employment (2005)


  • Member of the Association of Employment Law Lawyers Rotterdam (VRAA)
  • Member of the Dutch Association of Employment Lawyers (VAAN)
  • Member of the Association for Employment Law (VVA)
  • Member of the International Bar Association (IBA)


The Litigation firm

Solving your problem, so that you can continue with your business. That is what it is all about. It is our profession and our passion to make a business dispute or employment dispute manageable and to solve it. Sometimes we are able to do this by staying invisible by casebuilding the best file possible for and together with you behind the scenes. Being diplomatic where possible and aggressive where needed. And sometimes, full-on litigating is unavoidable. Because limits have been reached, because the other party remains unwilling to come to a constructive amicable solution, or because it may be important for your market reputation to draw a line.

Tailor-made service is key in the handling of each case. Because we are doing it together, lawyer and client. We invest in the mutual cooperation and we look in depth at your company and your market. BASE makes clear choices out of strength, because we only want to do what we are really good at and because you are simply counting on added-value. Therefor our practice focuses on Corporate & Commercial Litigation and Employment law.


Corporate & Commercial Litigation

At BASE Advocaten we practice the litigation- and dispute resolution practice at the highest level. We advise and assist domestic- and foreign clients in their vital business disputes. Disputes within the company, directors’ liability, shareholders disputes, disputes concerning commercial contracts, acting against (or for) financial institutions about duty of care-disputes and professional liability disputes. These are just some examples. Click below for further information.

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Employment law

BASE Advocaten provides topspecialists in Employment law. We act on behalf of employers (both domestic and foreign), individual directors/employees, and works councils. On a daily basis we advise and litigate on matters regarding (for example) the termination of employment, reorganizations, employment terms and conditions, disciplinary measures, employee participation and employer’s liability. Click below for further information.

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Partner of
logo Erasmus
Friend of
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Rob Sies - BASE Advocaten
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