PT1
Venture capitalBerlin Β· Pre-SeedβLate Stage
Investment thesis
PT1 invests in early-stage founders addressing fundamental infrastructure challenges in Europe, focusing on energy, buildings, and AI-driven industrial systems. The firm leverages deep expertise in InfraTech and electrification, backed by an ecosystem of LPs who are strategic customers and venture partners with operational experience solving hard problems. The fund's conviction centers on aging European infrastructure, the cost competitiveness of clean energy, and LLM applications in productive industrial use.
Source: firm website, verified Jul 21, 2026.
What they invest in
from 5 of 33 portfolio companiesAI & Machine Learning Γ3Construction Tech Γ2Advanced Manufacturing Γ1EdTech Γ1Energy Γ1Enterprise Software Γ1Hardware Γ1HR Tech Γ1
HQs:GermanyΓ1
Investments Β· 33 tracked
founders shown can be your intro pathautarc provides AI-powered software for heating engineers and electricians to manage heat pump, PV system, storage, and charging station installations. The platform integrates acquisition, planning, funding applications, financing, and maintenance in a single application for trade businesses.
AI & Machine LearningConstruction TechEnterprise SoftwareSaaSBerlin, DE
Etienne-Noel Krause(Founder)inThies Hansen(Founder)inMarius Seufzer(Founder& CTO)in
GreenWorkx trains and certifies talent for the energy transition, helping employers upskill workers for green jobs. The company serves employers seeking to develop their workforce in renewable energy and related green sectors.
EdTechEnergyHR Tech
PlanRadar provides construction project management software with integrated AI that analyzes project data recorded by teams. The platform serves construction companies and offers compliance with ISO standards and regulatory requirements.
AI & Machine LearningConstruction Tech
FloodFlash provides parametric flood insurance using IoT sensors to detect flooding and enable rapid claim payouts, typically within 48 hours, targeting landlords and businesses seeking alternatives to traditional indemnity insurance.
InsurTechIoT
Toggle provides real-time quality control and part inspection for custom fabrication using computer vision to automatically identify and measure parts against CAD libraries.
Advanced ManufacturingAI & Machine LearningHardware
Frequently asked questions
- What stage does PT1 invest at?
- PT1 invests at the Pre-Seed, Seed, Late Stage stages.
- What is PT1's typical check size?
- PT1 typically writes checks of $4.4M.
- What sectors does PT1 focus on?
- PT1 focuses on AI & Machine Learning, Cleantech, Climate Tech, Construction Tech, Deep Tech, Energy, Future of Work, PropTech, SaaS.
- Where is PT1 located?
- PT1 is headquartered in Berlin, DE.
- Does PT1 lead rounds?
- Yes, PT1 leads investment rounds.
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