Focus on Venture Capital Investments to drive the sustainable transformation of the Real Estate, Construction, and Craft Industries
(Cologne, March 5, 2025) – MOMENI Ventures, a company of the MOMENI Group, and BitStone Capital, a partner company of Art-Invest Real Estate, are joining forces to establish Realyze Ventures as the leading European platform for sustainable real estate and construction technology investments. With the exceptional expertise of established key players from the German real estate, construction, and craft sectors, the fund will invest in startups to drive essential innovations that accelerate the sustainable transformation of these industries.

The General Partners (from left to right): David Nadge, Manfred Heid, Kai Panitzki, Stefan Läufer, and Tim Fischer.
The management team of Realyze Ventures – consisting of Tim Fischer, Manfred Heid, Stefan Läufer, David Nadge, and Kai Panitzki – leverages its complementary expertise to seize promising opportunities and generate attractive returns for investors in the coming years.
Realyze Ventures leverages its broad industry expertise and proven investment track record of its established investment specialists to accelerate the efficient net-zero transformation of the real estate and construction industries. Through the Realyze Ventures ecosystem, investors gain valuable innovation impulses for their core business. The investor network already includes numerous national and international industry leaders from real estate, construction, and the craft industry.
“Both platforms have realized successful investments in the past and complement each other perfectly. We expect that the partnership creates strong synergies and an even greater impact on the market. Our long-standing collaboration is a solid basis for cooperation. The strategy of an industry-integrated venture capital approach with deep sector expertise unites our team. Together we will utilize these advantages in the interests of our portfolio companies and our investors,” comment Kai Panitzki and David Nadge on the partnership.
Manfred Heid adds: “With the Realyze Ventures Fund, we are consistently pursuing our strategy of expanding the unique network of investors in the German real estate and construction industry and building one of the most powerful European innovation ecosystems in this sector.”
This unique structure in Europe enables the Realyze Ventures-team not only to identify the most promising startups but also to provide intensive support for their market launch and product development.
The comprehensive analysis of the start-ups’ products creates an excellent foundation for generating both advantages for the portfolio companies and momentum for the investors, while at the same time achieving attractive returns.
Tim Fischer highlights the operational strength of the fund: “Our operational strength far surpasses that of other investment approaches. Close networking with the innovation departments of leading market players in our industry gives us unique insights that we will use both for our portfolio and for our investors”
Together, the management team has experience from investments in over 40 start-ups with assets under management of over EUR 100 million.
About MOMENI Ventures
With MOMENI Ventures GmbH, the MOMENI Group has been underlining its future-oriented corporate strategy since 2018. The division focuses on investments in innovative, young companies with a clear focus on climate tech solutions in the real estate industry.
In doing so, MOMENI Ventures draws on the expertise of the company’s various specialists to comprehensively examine the technologies for their benefits before the investment, thereby investing in the most promising start-ups and generating excellent returns for the capital partners.
About BitStone Capital
BitStone Capital is a venture capital investor specializing in innovative and sustainable technology companies in the real estate and construction sectors. Beyond financing, BitStone Capital actively supports its portfolio companies with its extensive network, unique industry know-how and access, and specific expertise in new technologies. With its investments, BitStone Capital aims to contribute to the sustainable and future-proof transformation of the real estate and construction industry.
Contact
Natascha Schlicht
MOMENI Group
SPRINGER QUARTIER
Kaiser-Wilhelm-Str. 14 T: +49 40 411667-700
20355 Hamburg [email protected]
Germany