What stage does Sirius Venture Partners GmbH invest at?

Sirius Venture Partners GmbH invests at the Seed, Series A, Series B, Growth stages.

What is Sirius Venture Partners GmbH's typical check size?

Sirius Venture Partners GmbH typically writes checks of $540K – $5.4M.

Where is Sirius Venture Partners GmbH located?

Sirius Venture Partners GmbH is headquartered in Wiesbaden, DE.

Sirius Venture Partners GmbH

Venture capital

Wiesbaden · Seed–Growth · 8 people tracked

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Investment thesis

The firm invests in early-stage companies pursuing innovative technologies, products and business models with strong growth potential. It supports founders from the late seed phase through to expansion, combining decades of entrepreneurial and financial experience with tailored strategies, active collaboration and access to a high-profile network. The team draws on broad industry expertise and personal engagement to help portfolio companies achieve sustainable, long-term value growth.

Invests inBiotech Cleantech Data & Infrastructure Energy Hardware Healthtech Medical DevicesSector AgnosticSemiconductors Austria Germany Global Switzerland

Source: firm website, verified Aug 3, 2026.

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Stage

Seed–Growth

Check

$540K – $5.4M

Wiesbaden, DE

Instruments

Equity

Founded

2004

Team · 8 people

from the firm's website & public directories

Michael Blum· Managing Partner

A historian (M.A., USA) with over 30 years as a manager, communicator and journalist, he has led digitalization, social media and publishing projects and brings international teaching experience and organizational development expertise to startups.

Friedrich von Diest· Managing Partner

A business economist and entrepreneur since 1992, he co-founded ACG AG and served on the shareholder board of Cobion AG. Active as a business angel and fund investor since 1998, he has been involved in founding, financing and selling around 25 technology companies and was named Entrepreneur of the Year in 2000.

fvdiest@sirius-venture.com

Alexander Schmidt· Venture Partner

A business information systems graduate with over 20 years as entrepreneur, investor, advisor and interim manager. He co-founded Pippa & Jean and has served on more than 10 supervisory boards, with experience in post-merger integration and digital transformation.

Jakob Sarrazin· Venture Partner

With a background in corporate strategy, innovation management and financing, he has several years of experience supporting and developing startups and established companies.

Lisa Seipp· Venture Partner

Supporting the EcoTech area, she is a business graduate with over 10 years of experience as a management consultant and interim manager focused on new business fields and models, and has worked with startups since her studies.

lseipp@sirius-venture.com

Heiko Albrecht· Manager

Finance manager responsible for controlling, liquidity planning and reporting of the funds and holdings, as well as office management and IT. He previously gained experience in the logistics sector, particularly in supply chain design.

Inga Stöttinger· Büroleitung (Office Manager)

Office manager at Sirius Equity Partners.

Heiko Kerz· Finance Manager

hkerz@sirius-venture.com

Frequently asked questions

What stage does Sirius Venture Partners GmbH invest at?: Sirius Venture Partners GmbH invests at the Seed, Series A, Series B, Growth stages.
What is Sirius Venture Partners GmbH's typical check size?: Sirius Venture Partners GmbH typically writes checks of $540K – $5.4M.
What sectors does Sirius Venture Partners GmbH focus on?: Sirius Venture Partners GmbH focuses on Biotech, Cleantech, Data & Infrastructure, Energy, Hardware, Healthtech, Medical Devices, Sector Agnostic, Semiconductors.
Where is Sirius Venture Partners GmbH located?: Sirius Venture Partners GmbH is headquartered in Wiesbaden, DE.

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