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  • Career

Marcel Dietrich is the head of Homburger’s Competition and Regulatory teams. His practice focuses on Swiss and European competition and antitrust law, as well as on commercial public and administrative law and regulated markets. He has extensive and long-standing experience in all areas of competition law ranging from merger control to administrative and civil antitrust litigation. He also advises on compliance matters and internal investigations. With regard to regulated markets, he specializes in energy, healthcare and pharma, media and telecommunication, infrastructure and transport as well as in public procurement.

Marcel Dietrich is the head of Homburger’s Competition and Regulatory teams. His practice focuses on Swiss and European competition and antitrust law, as well as on commercial public and administrative law and regulated markets. He has extensive and long-standing experience in all areas of competition law ranging from merger control to administrative and civil antitrust litigation.

2001
Partner at Homburger
1996
Associate at Homburger
1996
University of Leicester (LL.M.)
1995
University of Fribourg (Dr. iur.)
1990
Attorney-at-law in a St.Gallen law firm
1990
Bar admission
1987
University of Fribourg (lic. iur.)

Marcel Dietrich is incredibly experienced. He knows exactly what he is doing and has great negotiation skills. As a client, you feel that you are in very good hands with him.

2025

I have worked with Marcel Dietrich, he is outstanding. He delivers under high pressure in short time and always with outstanding quality. He comes up with creative ideas, has business acumen and also knows what a good presentation for senior executives needs to look like.

2025

Marcel Dietrich’s client service and general level of service, level of sophistication and commercial vision are very strong. He is the best.

2025

Marcel Dietrich has successfully represented numerous high-profile clients in complex legal matters. His deep understanding of regulatory frameworks and strategic approach to legal challenges have earned him a reputation as a leading expert in his field.

2025

Marcel Dietrich’s commitment to excellence and his ability to navigate intricate legal landscapes make him an invaluable asset to us.

2025

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Homburger advised the selling shareholders on the sale of 100% of Samaplast AG to a group of investors led by Philipp Looser

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The Legal 500 Rankings 2025: Homburger top ranked

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The Legal 500 ranks Homburger Tier 1 in 12 categories and selected 7 lawyers for the Hall of Fame

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Career

Marcel Dietrich

Partner

Marcel Dietrich is the head of Homburger’s Competition and Regulatory teams. His practice focuses on Swiss and European competition and antitrust law, as well as on commercial public and administrative law and regulated markets. He has extensive and long-standing experience in all areas of competition law ranging from merger control to administrative and civil antitrust litigation.

He also advises on compliance matters and internal investigations. With regard to regulated markets, he specializes in particular on energy, healthcare and pharma, media and telecommunication, infrastructure and transport as well as on public procurement. Marcel Dietrich’s practice also includes contract, real estate and corporate law as well as domestic and international litigation.

Marcel Dietrich is a member of various national and international competition law associations. He regularly publishes and lectures on various subjects of competition law, commercial public and administrative law.

Career

2001
Partner at Homburger
1996
Associate at Homburger
1996
University of Leicester (LL.M.)
1995
University of Fribourg (Dr. iur.)
1990
Attorney-at-law in a St.Gallen law firm
1990
Bar admission
1987
University of Fribourg (lic. iur.)

Languages

German, English, French

Bar Registration

Admitted to the Swiss bar

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