Andreas Costard

Sergio Binkowski is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Sergio, 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 Sergio is held by other top lawyers in the same geographic and legal practice area.

Born in Hamburg in 1962, Birgitta Weihrich studied law in Hamburg. After completing her legal clerkship – including a post at the Directorate-General for Competition of the European Commission in Brussels and Speyer – she was admitted to the bar in 1992. After spending a number of years in a commercial law firm in Northern Germany and as a legal advisor and authorized signatory of an insurance company, she joined ZENK in 2018. She has many years’ experience in both a wide ra...

Thomas Rieck 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 2025. 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.

Maria von Rosen is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Maria, 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 Maria is held by other top lawyers in the same geographic and legal practice area.

Sven Oswald is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Sven, who practices law in Hamburg, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sven is held by other top lawyers in the same geographic and legal practice area.

Dr Hendrik Bott is based in Hamburg and primarily advises on matters relating to real estate project development: from the acquisition of land, the establishment of building rights and the conclusion of neighbourhood agreements, to the awarding of construction, architect and project management contracts, claim management during the construction phase, and contractual coordination with property tenants. Another key area of his practice is advising fund assets and family offices on commercial t...

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...

Sebastian Siepmann is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Sebastian, who practices law in Hamburg, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sebastian is held by other top lawyers in the same geographic and legal practice area.

Frederik Fiekas is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Pharmaceuticals Law. Frederik, who practices law in Hamburg, Germany, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frederik is held by other top lawyers in the same geographic and legal practice area.

Oliver Reimann is an attorney and partner at Möhrle Happ Luther . He consults across the full spectrum of real estate law, including real estate transactions, urban development and planning, project development, leasing, and construction. His clients include German and international investors, open-end and closed-end real estate funds, pension funds, private equity investors, project developers and public sector enterprises. As a result of his expertise in administrative law, Oliver Reim...