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Rechtsanwälte — Attorneys at Law

Wartmann Merker is a business law firm with offices in the city center of Zurich. We advise clients from Switzerland and abroad and represent them in court in all areas of commercial law.

Litigation and Arbitration

Our core area of practice is dispute resolution. We represent our clients in court and administrative proceedings as well as in international and domestic arbitral proceedings.

Credentials of Wartmann Merker in the past five years include:

«Small team of experienced litigators, who have a big law firm background.»


«Wartmann & Merker is a true litigation boutique with profound experience in the banking and financial services industry.»


«Collaboration with Wartmann & Merker is always very pleasant. The team responds quickly and is very professional.»

Legal 500 EMEA 2022


"One client praises the firm's customer-centric approach, saying: 'The lawyers are highly skilled and knowledgeable,' and adds: 'They know us very well and know our needs.'"

Chambers Europe 2022


"Well-regarded dispute resolution boutique, widely admired for its litigation prowess."

Chambers Global 2022


"Clients state that the lawyers are 'to the point, focused and concise.' Sources also say: 'Each team member is always informed about all steps in the process and is available to us as a highly competent contact person.'"

Chambers Europe 2021


«Clients appreciate the firm's 'prompt, pragmatic, clear and precise approach and eloquent and elegant writing style.' Clients also highlight the firm's 'very concise communication and explanation of the proceedings.'»

Chambers Global 2020


«The lawyers are 'very experienced and excellent in civil litigation in all instances.'»

Chambers Europe 2020


«Clients appreciate the firm's 'promt, pragmatic, clear and precice approach and eloquent and elegant writing style.'»

Chambers Europe 2019


«Sources comment: 'The firm is distinguished by its extremely high competence in litigation. It is exceptionally well placed to deal with new legal issues and issues.' One client appreciates that the team is 'very keen to understand our business and use this information as well.'»

Chambers Europe 2018


«'Wartmann & Merker are uncomplicated to work with – there is no beating around the bush and we can talk on a no-nonsense basis' a source remarks»

Chambers Europe 2017



Comprehensive Advice

Since 1992 Wartmann Merker has been advising Swiss manufacturing, trading and service companies of various types and sizes. We also act for foreign corporations pursuing activities in Switzerland, notably in the financial and media sectors.

founding partners

Thomas Wartmann
Rudolf Merker

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