ACT Venture Partners

Pre-seed to Post-seed | €500K–€1.5M | Deep-tech

We invest at the earliest stages—pre-seed and seed—when ideas are still rough and the risk is highest. This is where we thrive. We write initial checks between €500K and €1.5M, and we’re typically the first institutional investor in.

Our Sector Focus
We're not chasing buzzwords, we're backing technical founders solving foundational problems.
  • AI
    Physics-based models applied in chemistry, material, healthcare, industrial automation
  • Quantum Technologies
    Communication, simulation, cryptography
  • HealthTech
    Computational biology, medtech, diagnostics, AI drug discovery
  • Sustainability
    advanced materials, construction tech, clean energy, energy efficiency
  • SpaceTech
    Next-gen satellites, earth observation, propulsion
  • Frontier R&D
    Any defensible tech with a strong scientific core
  • Dual-use
    novel materials and manufacturing, AI, autonomy, quantum, space

We Back Founders With
  • Deep technical knowledge and experience
  • A bold, world-shifting vision
  • The humility and speed to lead and learn

What We Offer

More than capital.
We help with fundraising, hiring, grant access, and strategic partnerships.


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