Seed · Aerospace & Defense · Rome, Italy · Founded 2023 · 9–15 employees
OhmSpace develops breakthrough high-temperature resistojet propulsion systems for satellites, offering up to 70% more efficiency than competitors while using safe propellants like water instead of toxic chemicals. The startup successfully raised €2.5M in seed funding in November 2025, led by Galaxia and CDP Venture Capital, following an earlier €1.2M round in 2023. Founded by Dr. Federico Romei based on his University of Southampton research, the company has secured multiple ESA contracts and plans two In-Orbit Demonstration missions in 2026 to validate their STAR-Water-nano product for the nanosatellite market.
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