Skip to main content

Henning Sieber focuses his practice on real estate and corporate law. He regularly advises on real estate acquisitions and sales, including the structuring and financing of real estate transactions, and has broad experience in advising in particular institutional clients on transactions in Germany and abroad.

Henning is also experienced in the restructuring of real estate investments, including advising on restructuring and refinancing of distressed investments as well as on real estate investment funds.

The leading German legal publishing house JUVE recommends Henning as “very capable and assertive”. He is recognized by Handelsblatt/Best Lawyers as one of the Best Lawyers in Germany in Real Estate Law and Mergers and Acquisitions Law since 2018. Prior to Greenberg Traurig, Henning worked as a partner for Olswang and for more than five years in the Real Estate Group at Freshfields in Berlin, as well as for Merrill Lynch Global Principal Investments in Frankfurt/Main.


  • Corporate/M&A and joint ventures
  • Real estate transactions
  • Investment law
  • Project development
  • Office and logistics
  • Land development


Recognition & Leadership

  • Listed, The Legal 500 EMEA Guide, Real Estate, 2022-2024
  • Listed in Chambers Europe 2020 and 2022-2024 in the field of Real Estate in Germany 
  • Recommended by Handelsblatt/Best Lawyers in Germany 2018/2019 in the fields of M&A and Real Estate Law
  • Henning is listed in Who is Who Legal 2018 as a leading real estate lawyer and particularly well regarded for being “pragmatic and pleasant to work with”
  • Team Member, Chambers USA Award for Excellence, Real Estate, 2017
  • Leading legal publishing house JUVE recommends Henning as “very competent, very experienced and assertive.”
  • Team Member, a Law360 "Real Estate Practice Group of the Year," 2015 and 2022


  • Real Estate Economist, IREBS Regensburg, Germany, 2012
  • Second Legal State Exam, Berlin, Germany, 2004
  • PhD, Westfälische Wilhelms-Universität Münster/Germany, 2002
  • LL.M., University College London, 2000
  • First Legal State Exam, Westfälische Wilhelms-Universität Münster/Germany, 1999
  • Germany
  • German
  • English