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VC FundPuts its own capital into companiesActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 6 SOURCES

SIVentures

Also known as Smart Infrastructure Ventures, Smart Infrastructure Ventures GmbH, SI Ventures, Smart Infrastructure Ventures Fund I GmbH & Co KG, SIVentures Fund II GmbH & Co. KG

Leipzig early-stage VC (Smart Infrastructure Ventures GmbH), registered AIFM under §2(4) KAGB; €300k-750k pre-seed/seed tickets in B2B software across Europe.

Independent Leipzig manager; not related to Siemens or to any Sparkasse ('SI' = Smart Infrastructure).

HEADQUARTERS
Leipzig, Germany
FOUNDED
—
AUM
—
OUTSIDE CAPITAL
Yes
TEAM LISTED
9 people

Focus

STAGES
Pre-SeedSeed
SECTORS
Software & SaaSArtificial IntelligenceClimate & EnergyHealthTech
ASSET MIX
Venture capital
GEOGRAPHY
GermanyAustriaSwitzerlandEurope

Investment arms & vehicles

Overview

Smart Infrastructure Ventures GmbH (SIVentures) is a Leipzig-based venture capital manager registered as an AIFM under section 2(4) KAGB. Its first fund, Smart Infrastructure Ventures Fund I, launched in July 2019 and was described in its launch release as the first private VC fund in eastern Germany; initiated by SpinLab founder Eric Weber with Björn Bauermeister and Dirk Frohnert; anchor investors were VNG AG and the Sächsische Aufbaubank, alongside energy and real-estate companies, banks and business angels. A second vehicle, SIVentures Fund II GmbH & Co. KG, followed. The firm aims to be the first institutional investor in pre-seed and seed rounds of B2B software companies, mainly in DACH.

Investment thesis

First institutional investor in pre-seed and seed rounds of B2B SaaS companies, focused on energy, software infrastructure and AI applications but open to other verticals; €300k-750k initial tickets with follow-ons up to €2M; leads, co-leads or follows.

PORTFOLIO (21)

People

  • Björn Bauermeister
    General Partner; Managing Director · source
  • Dirk Frohnert
    General Partner; Managing Director · source
  • Falk Trietsch
    Principal · source
  • Eric Weber
    Venture Partner; co-founder (founder and CEO of SpinLab - The HHL Accelerator) · source
  • Frank Stummer
    Venture Partner · source
  • Gwendolyn Schröter
    Venture Partner · source
  • Noah Lorenz
    Venture Partner · source
  • Roland Fassauer
    Venture Partner · source
  • Roman Dudenhausen
    Venture Partner · source

Links

Frequently asked questions

SIVentures is a VC fund based in Leipzig, Germany.

Yes. SIVentures invests its own capital in private companies.

SIVentures invests at Pre-Seed and Seed stages in Software & SaaS, Artificial Intelligence, Climate & Energy and HealthTech.

SIVentures's stated ticket size is €300K–€750K.

Key people at SIVentures include Björn Bauermeister (General Partner; Managing Director), Dirk Frohnert (General Partner; Managing Director), Falk Trietsch (Principal) and Eric Weber (Venture Partner; co-founder (founder and CEO of SpinLab - The HHL Accelerator)).

SIVentures's investments include Codio Impact, Deepslate, Einklang Energy, Encentive, Enginsight, Hanko, Hivebuy and IO Dynamics, among others.

The most recent publicly reported investment by SIVentures is Waving (€2.6M round with Caesar, Lightfield Equity and I Lab Angels), announced in Mar 2026.

Yes. SIVentures manages capital from outside investors.