Wolfgang Kozianka

Born in Pirmasens in 1973, Florian Werner studied civil engineering with a focus on structural engineering in Hamburg from 1994-1999. After several years as construction and project manager for a medium-sized foundation engineering company in Berlin and northern Germany, he came to Hamburg to study law. Mr. Werner has been a lawyer at ZENK since 2008 and a specialist in construction and architectural law since 2011. He specializes in private construction law and advises on planning, the award...

Sabine Ottow is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Criminal Tax Practice. Sabine, who practices law in Hamburg, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sabine is held by other top lawyers in the same geographic and legal practice area.

Kurt Luka is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Kurt, who practices law in Hamburg, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kurt is held by other top lawyers in the same geographic and legal practice area.

Dr Menso Engelmann has been practising as a lawyer in the field of corporate law and M&A since 2008. He advises private individuals, strategic and financial investors, private equity funds, family businesses, joint ventures, and listed companies on all aspects of corporate transactions. He also provides guidance on transactions in the context of corporate crises and restructurings under transformation law, as well as on real estate transactions. In corporate law, his focus is on stock cor...

Dr Justus Jansen (Lawyer of the Year Litigation, Hamburg, 2020, Lawyer of the Year Trade Law, Hamburg, 2022) is heading the Dispute Resolution practice group at GSK Stockmann since 2014. The team has 23 members and is thus considered one of the largest dispute resolution teams in Germany with widely recognised expertise and track record in commercial, banking & finance, energy, international plant engineering and corporate disputes as well as in post-M&A disputes. In addition, investm...

Dominik Heimberg specializes in corporate/commercial litigation, advising companies and entrepreneurs on matters of general business law, capital investment law and regulatory law. One focus of his practice is litigating cases in the aforementioned areas before courts of law and arbitration courts.

Sonja Schulz was born in Bremen in 1976. She studied law in Münster and Leuven, Belgium. She completed her practical training in Münster, Washington D.C. and Brussels. In addition, she completed an education in Anglo-American law, a subject-specific foreign language training, postgraduate studies in European law and training in change management. In 2003 she received a Master of European and Comparative Law from the University of Ghent, Belgium. Since 2006, Sonja Schulz has been a l...

Frauke Schmidt is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Frauke, who practices law in Hamburg, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frauke is held by other top lawyers in the same geographic and legal practice area.

Lawyer Partner

Thomas Heissner is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Thomas, who practices law in Hamburg, Germany, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas is held by other top lawyers in the same geographic and legal practice area.