Speedinvest
Speedinvest is a European early-stage venture capital firm founded in 2011 and headquartered in Vienna, with offices across Europe and in New York. The firm invests at pre-seed and seed stages, backing founders building technology companies across sectors including climate tech, industrial tech, fintech, and health tech. Speedinvest manages over EUR 500 million and has backed more than 300 companies. Notable portfolio companies include GoStudent, Bitpanda, and Yokoy. The firm operates dedicated sector-focused teams to provide specialised support to its portfolio.
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2 companies in our directory
Porotech
Porotech is a University of Cambridge spinout founded in 2018 following over a decade of research in gallium nitride materials, formally spun out in January 2020. Led by CEO Dr Tongtong Zhu with 15+ years of III-nitride semiconductor expertise, CSO Professor Rachel Oliver (Director of the Cambridge Centre for Gallium Nitride), and CTO Dr Yingjun Liu, the company created a novel porous GaN semiconductor material enabling next-generation micro-LED displays. The technology offers brighter, sharper displays for smartphones, smartwatches, AR/VR headsets, and outdoor environments. Porotech has raised $25.4M to date, including a £3M seed extension led by Speedinvest and a $20M Series A in 2022 led by Ameba Capital.
ARX Robotics
HiringARX Robotics is a Munich-based defence technology company developing autonomous ground vehicles and software platforms for European armed forces. Founded in 2021 by former German Bundeswehr officers Marc Wietfeld, Maximilian Wied, and Stefan Röbel, the company builds modular unmanned ground systems including the Gereon tracked reconnaissance vehicle and Hector scalable autonomous platform, alongside Mithra OS, an AI-powered system for modernising legacy military fleets. ARX systems are already deployed in Ukraine and along NATO's eastern flank, and the company is field testing with British Armed Forces. In 2025, ARX announced a £45M investment in a UK manufacturing facility expected to produce 1,800 autonomous systems annually. The company raised a €42M Series A led by HV Capital.