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PT1 is a venture capital fund founded to invest in early-stage companies across Europe, with offices in Berlin and London. The fund focuses on transformative technologies in sectors such as real estate, energy transition, and infrastructure resilience. Initial funding tickets range from €300,000 to €4 million.
PT1 invests in early-stage companies developing technologies that have a tangible impact on real estate, energy, and infrastructure. The fund targets investments in sectors including proptech, climate, and energy, with check sizes between €300,000 and €4 million. Their investment strategy emphasizes sustainability and resilience.
Notable portfolio companies include 42watt, an energy efficiency platform for real estate; Architrave, a digital real estate management platform; Agentic, an AI contract management tool for construction; ecoworks, which modernizes industrial buildings to be climate-neutral; PlanRadar, specializing in digital documentation for construction; FloodFlash, a climate risk insurance solution; and Wunderflats, a leading Housing as a Service platform in Germany.
As of February 10, 2026: PT1 published a blog post discussing the impact of AI on productivity in the built world, showcasing their engagement with industry trends.
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