Marx Siebert Rechtsanwälte Partnerschaft mbB

Marx Siebert was founded 1973 in Hamburg and made it a renowned national and international purveyor of legal services. Thanks to our close ties to Hamburg University's Institute of Commercial Law, the firm has always maintained a mutually beneficial relationship of academia and law practice. Jan Ehrig is on the faculty of Hamburg University.

Our philosophy is "Be Close To Your Client". High-quality consulting with quick and flexible service is our modus operandi. Our staff of specialists ensures a high degree of expertise for comprehensive consulting of business people and corporations in all practice areas of commercial and corporate law. Among our clients are not only private individuals but also numerous medium-sized companies from different sectors, several banks as well as publicly listed stock corporations.

We are proud to be an organically grown, top-rate law firm that provides custom service to our clients. Our expertise and international competence are not least due to professional cooperations thanks to our founding-member status in the global attorneys' network Consulegis. Our firm is listed with many reference services like the commercial law firm compendium and Juve Handbuch Wirtschaftskanzleien.


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Areas of practice

  • Banking & Finance Law
  • Bankruptcy & Insolvency
  • Competition Law
  • Company & Corporate Law (incl. M&A)
  • Dispute Resolution & Litigation
  • Intellectual Property Law
  • Int. Contract & Commercial Law
  • Labour & Employment Law
  • Licensing & Distribution
  • Private & Public Constructional Law (incl. Public Planing Law)


Auguststrasse 14
22085 Hamburg
Tel.: +49 40 22928-0
Fax: +49 40 22928-100