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Sax Concept
Sax Concept operates as a multi-family office from Tübingen, Germany. Bernd Ruck established the firm after more than thirty years in real estate.
Sax Concept
Sax Concept operates as a multi-family office from Tübingen, Germany. Bernd Ruck established the firm after more than thirty years in real estate. Michael Dettling serves as co-founder and managing director. The firm allocates capital to real estate, private credit and mezzanine instruments. It executes through direct co-investments and SPVs. Confirmed projects include Koncept Hotel Neue Horizonte in Tübingen, Projekt Riviera Berlin, City Gate Leipzig and Prima Wohnen Petzinsee near Geltow. Geographic focus remains Europe. Partners include HQ Capital and TERRAGON for project development. Team size and total deployment remain undisclosed. The firm maintains ties to Beginenstiftung Tübingen and Bürgerstiftung Tübingen. Bernd Ruck participates in the Global Real Estate Institute. Sax Concept structures investments via project-specific vehicles rather than commingled funds. This approach ties capital directly to named real estate developments and joint-venture partners.
General information
Firm type
Multi Family Office
Year founded
1994
Location
Region
Europe
Country
Germany
City
Tübingen
Corporate office
Tübingen, Germany
Principals
Bernd Ruck
Founder and principal shareholder of the SAX Group
Michael Dettling
Co-founder and Managing Director of Sax Concept GmbH
Bastian Bort
Managing Director of various SAX project management entities
Sector focus
Frequently asked questions
Who runs investment decisions at Sax Concept?
Bernd Ruck serves as founder and principal shareholder. Michael Dettling acts as co-founder and managing director. Bastian Bort oversees project management entities.
Does Sax Concept participate in fund commitments or only direct deals?
The firm executes through direct co-investments and SPVs. It does not disclose participation in external fund commitments.
What investment stages does Sax Concept typically target?
Sax Concept targets mezzanine financing alongside real estate development projects.
Which sectors does Sax Concept focus on?
Confirmed focuses include PropTech and real estate. The firm also lists supply chain and logistics interests.
Where does Sax Concept invest geographically?
All disclosed activity occurs in Europe, with projects in Berlin, Leipzig, Tübingen and Geltow.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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