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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 years include:

"The team gives excellent legal advice, is extremely reliable and is always coming up with the most pragmatic solutions"


"The team at Wartmann Merker is able to deal with complex litigation cases."

Chambers Global 2024
Chambers Europe 2024

"They were able to present even the most complex topics in a very understandable and simple way."

Chambers Global 2023

"The high degree of specialisation in dispute resolution allows the firm to represent clients in a very targeted and efficient manner."


"The firm has an exceptionally prompt, pragmatic, precise and clear approach to explaining its strategy and shows great creativity in its proposed solutions. The team at Wartmann Merker is exceptionally good at dealing with new legal issues."

The Legal 500 EMEA 2023

"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."

The 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

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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