Tina Siebenhaar

Sebastian Schmid is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Sebastian practices law in Frankfurt/Main, Germany Best Lawyers has recognized Sebastian Schmid since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sebastian Schmid is held by other lawyers.

Dr. Johannes Frey advises clients on all aspects of tax controversy and international tax planning. He represents many of the largest multinational companies through the full range of tax controversy proceedings, including audits, administrative appeals, multilateral controls and judicial proceedings. Dr. Frey’s tax practice focuses on complex tax controversy matters, as well as international tax planning and cross-border mergers. He has co-authored numerous articles on a wide range of ...

Johannes Schuhmann is a lawyer recognized by Best Lawyers in the practice areas of Construction Law and Real Estate Law. Johannes practices law in Frankfurt/Main, Germany Best Lawyers has recognized Johannes Schuhmann since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Johannes Schuhmann is held by other lawyers.

Alik Dörn has been working as a lawyer in our offices in Frankfurt am Main and Berlin since 2017 and became a partner in 2023. He advises clients primarily in the areas of public procurement law (services, construction, and supply, PPP), state aid law, concessions, public commercial law, real estate law, and energy law. He speaks German, English, French and Spanish.

Lars Weber is a lawyer recognized by Best Lawyers in the practice area of Mergers and Acquisitions Law. Lars practices law in Frankfurt/Main, Germany Best Lawyers has recognized Lars Weber since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lars Weber is held by other lawyers.

Dr. Vanessa Wettner focuses on civil and capital market disputes, specifically shareholder class action litigation defense. She represented financial institutions, investment companies and investment funds in various high-profile cases against (classes of) private or institutional investors. Most recently, Dr. Wettner defended an investment company in one of the first cases handled under the revised Model Case Procedure Act (Kapitalanleger-Musterverfahrensgesetz, KapMuG), Germany's investor c...

Dr. Ulrich Ziegler is a certified lawyer focusing on labour law with more than 25 years of experience in the field. He provides advice to both German and foreign companies in individual as well as collective labour law issues and in labour law disputes with employees and employee representatives. Dr. Ziegler has significant experience with the employment-related aspects of M&A and cross-border transactions, and restructuring measures, such as site closures and plant relocations, including...

Ulli Janssen is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Ulli practices law in Frankfurt/Main, Germany Best Lawyers has recognized Ulli Janssen since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ulli Janssen is held by other lawyers.

Joachim Heffinger Attorney Certified specialist in building and architects’ law Mediator (DAA/German Lawyers’ Academy) Specialist mediator for the real estate and construction industries (m-con) Partner Specialists areas : Private construction and property law, architectural and engineering law, commercial tenancy law, m ediation/arbitration proceedings Since being admitted to the bar in 1987, I have primarily advised clients in the areas of private construction, real estate, arch...

Rupert Bellinghausen is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation, Bet-the-Company Litigation, International Arbitration, Litigation and Product Liability Litigation. Rupert practices law in Frankfurt/Main, Germany Best Lawyers has recognized Rupert Bellinghausen since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard...