Marc Grünbaum
Attorney, Partner
Certified Specialist in Lease and Condominium Law
gruenbaum@ramserpartner.de · T. +49 69 172324 – 310
Marc Grünbaum advises clients in situations where real estate structures must be sustainable over the long term.
In the residential and commercial real estate sectors, situations arise in which contracts, ownership structures, and economic use are closely intertwined. Decisions made in this context often have long-term implications and must therefore be sound.
Marc Grünbaum analyzes these situations and develops solutions that are legally sound and economically feasible. He provides clarity on the relevant issues and consistently represents his clients – both in and out of court, all the way through to enforcement proceedings.
He advises national and international clients, particularly on the drafting of lease and rental agreements – including those related to hotel real estate – as well as on condominium law and foreclosure law.
Another area of focus is providing support for real estate transactions – from due diligence through to closing – as well as advising real estate brokerage firms on structuring and enforcing their claims.
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Since 2025
Partner at RAMSER & PARTNERS in Frankfurt am Main2004–2024
Partner at Büsing Müffelmann & Theye in Frankfurt am Main,1999–2004
Attorney at a medium-sized law firm in Frankfurt am Main1990–1999
Studies and work at the Chair of Constitutional Law and Legal Philosophy, as well as a legal clerkship in Frankfurt am Main; 2nd State Examination -
Chairman of the Executive Board of the Jewish Community of Frankfurt am Main (K.d.ö.R.)
Member of the Executive Board of the Central Council of Jews in Germany
Chairman and member of various foundations, including as chairman of the Georg and Franziska Speyer University Foundation
President of the Court of the Central Council of Jews in Germany through October 2023
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Real Estate Law
Real Estate Brokerage Law
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German, English