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Smart Infrastructure Ventures (SIVentures) is a venture capital firm founded in 2019 and based in Leipzig, Germany. The firm specializes in early-stage investments, particularly in technology startups that focus on enhancing infrastructure efficiency and sustainability. SIVentures has established itself as a significant player in the early-stage investment landscape, particularly within the DACH region, and has a strong affiliation with SpinLab, the HHL Leipzig accelerator group. This connection enhances its access to promising startups and innovative ideas.
As of now, SIVentures manages a fund size of €30 million and has invested in approximately 30 companies. The firm is committed to supporting its portfolio companies through various funding rounds, ensuring they receive the necessary resources to grow. Notable milestones include the successful exits of companies like Mementor and Preventio, showcasing SIVentures' ability to identify and nurture high-potential startups.
SIVentures invests primarily in early-stage B2B technology startups across several sectors, including AI, cybersecurity, energy tech, proptech, healthcare, and smart city solutions. The firm typically provides initial investments of up to €500,000 and is dedicated to participating in future funding rounds, which allows for ongoing support and partnership with its portfolio companies. This approach ensures that SIVentures remains actively involved in the growth trajectory of its investments.
The firm targets startups at various stages, including pre-seed, seed, seed-plus, Series A, Series B, and growth equity. SIVentures seeks founders who demonstrate a strong vision and capability to execute their ideas. The firm emphasizes the importance of strategic partnerships and often collaborates with its network to enhance the value it brings to its portfolio companies.
SIVentures has built a diverse portfolio of 30 companies, showcasing its commitment to early-stage technology investments. Notable portfolio companies include:
Björn Bauermeister - General Partner; previously a trader at BNP Paribas in New York and London, he brings extensive financial expertise to the firm.
Dirk Frohnert - General Partner; formerly a fund manager at JPMorgan in London, he has a strong background in investment management.
Falk Trietsch - Principal; he focuses on sourcing and evaluating new investment opportunities.
Dr. Eric Weber - Venture Partner; he provides strategic insights and guidance to portfolio companies.
Dr. Frank Stummer - Venture Partner; he specializes in technology commercialization and startup growth strategies.
Gwendolyn Schröter - Venture Partner; she has expertise in market analysis and business development.
Dr. Noah Lorenz - Venture Partner; he focuses on investment strategy and portfolio management.
Dr. Roland Fassauer - Venture Partner; he brings a wealth of experience in technology and innovation.
Dr. Roman Dudenhausen - Venture Partner; he specializes in early-stage investments and startup mentoring.
To pitch to SIVentures, founders should utilize the contact form available on their website or send an email to info@siventures.de. It is essential to include a comprehensive pitch deck that outlines the business model, market opportunity, and financial projections. SIVentures typically reviews submissions promptly, and founders can expect a response within a few weeks. Warm introductions are preferred but not mandatory.
In August 2025, Smart Infrastructure Ventures announced the launch of its second fund, SIVentures II, targeting €30 million. As of the announcement, over 75% of the fund has been raised, indicating strong investor interest.
Notable exits from the firm's portfolio include Mementor, a digital health startup based in Leipzig, which was acquired by ResMed, a US medtech group. Preventio also marked a successful exit, showcasing SIVentures' ability to identify and support high-potential startups.
Since its founding in 2019, SIVentures has created over 300 jobs across its portfolio companies, demonstrating its impact on the startup ecosystem.
What are SIVentures' investment criteria?
SIVentures focuses on early-stage B2B technology startups, particularly in sectors such as AI, cybersecurity, energy tech, proptech, healthcare, and smart city solutions. The firm typically invests up to €500,000 in initial funding and is committed to participating in future funding rounds.
How can startups apply or pitch to SIVentures?
Startups can pitch to SIVentures through their website at smartinfrastructure.ventures or by emailing info@siventures.de. It is advisable to include a detailed business plan and financial projections in the pitch deck.
What makes SIVentures different from other VC firms?
SIVentures positions itself as a value-add partner, providing not only financial support but also strategic guidance and access to a robust network through its affiliation with SpinLab. This enhances deal flow and offers portfolio companies additional resources for growth.
What is the geographic scope of SIVentures' investments?
While SIVentures is based in Leipzig, Germany, it primarily focuses on the DACH region (Germany, Austria, Switzerland) and has expanded its investment activities to include startups in the United States.
What is SIVentures' post-investment involvement like?
SIVentures maintains an active role in its portfolio companies, providing ongoing support and guidance. The firm often collaborates with founders to help them navigate challenges and capitalize on growth opportunities.
What is the size of SIVentures' fund?
SIVentures currently manages a fund size of €30 million, with plans for future funds to continue supporting early-stage technology startups.
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