ZENK Rechtsanwälte Partnerschaft mbB is an independent, full service commercial law firm with around 50 attorneys, a notary office, a mediation practice and a tax consulting service at its offices in Hamburg and Berlin. It advises on national and international projects in all core areas of commercial law. Our clients include medium-sized German companies, international corporations and public institutions at federal, state and local level.


ZENK was founded in Hamburg at the beginning of the 1970s. At present, around 25 lawyers and a tax consultant advise clients at the Hamburg office on Neuer Wall.


Our Berlin branch was opened in the government district of Reinhardstrasse during the reunification of Germany in 1990, to establish a presence in the newly emerging political and cultural metropolis. At present, it has around 20 lawyers. It also has its own notary office.


ZENK Rechtsanwälte has a long history of awards from various industry bodies. The awards are based on the results of peer and client surveys.

Handelsblatt/Best Lawyers: ZENK lawyers win the accolades “Germany’s Best Lawyer” and “Lawyer of the Year” for construction and advertising Law

Exclusively in cooperation with Handelsblatt, US publisher Best Lawyers draws up an annual ranking of peer-recommended German lawyers in various fields of law. The ranking is regarded as an overview of Germany’s top lawyers.
In 2018, for the eighth year in a row, ZENK’s ZENK Rechtsanwälte Alexander Baden was awarded the accolade of “Germany’s Best Lawyer” for construction law, while Dr. Carsten Oelrichs received the same accolade for advertising law and food law (health care).
In 2018, Sigrid Roskosny (construction law) was awarded the accolade “Lawyer of the Year” by Handelsblatt and Best Lawyers.

Legal 500 Germany

“The Legal 500 (Germany)” is a detailed qualitative review of law firms and lawyers in 48 specialistareas and is used as a referenceby professionals and clients. Every year, the editorial staff interviews hundreds of lawyers and records around 14,000 customer references.

FOCUS Magazine: TOP commercial law firm for construction law

Also for the third year in a row, the construction law department of ZENK was listed as a recommended commercial law practice by the FOCUS editorial team in their special edition on “Germany’s Top Lawyers”. The list is categorized into 24 specialist areas of law. The Germany-wide ranking is based on recommendations from peers and surveys of legal departments in companies.

JUVE Handbook of Commercial Law Firms

The JUVE Handbook of Commercial Law Firms, now in its 21st edition, is considered a key modern reference workfor the German legal market. With an independent editorial staff, the publication is based on extensive research among law firms, corporate officers, representatives of public authorities and employees in the judiciary and academia. ZENK is mentioned regularly in the JUVE Handbook, which offers the following praise for the firm’s food law department: “With no less than three renowned partners in the market, it is impossible to imagine food law landscape without the firm.” ZENK partners Dr. Carsten Oelrichs , Dr. Stefanie Hartwig and Sonja Schulz come frequently recommended. JUVE also attests to ZENK’s in-depth knowledge of the legal industry and its impressive profile in the field of trademark, design and competition law.


We contribute to various publications and organize a range of events to keep our clients up-to-date – as often and in as much detail as they need. Interested in specific topics? Sign up for your preferred information formats to stay on top of the latest news.

We contribute regularly to specialist publications in various fields of law. Our own series, Schlaglicht[Spotlight], puts recent judgments under the microscope, and in our ZENK Newsletter, you’ll find everything new and important pertaining to your legal field of interest.

ZENK Talk. Seminars & training.

We lecture and debate at numerous internal and external events relating to current and practice-relevant legal topics. We also offer seminars and training courses in various forms, both at our offices and on-site with our clients.


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