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Rome, Italy, October 31, 2025: OhmSpace, an Italian aerospace startup developing advanced resistojet propulsion systems for all classes of satellites, from Low Earth Orbit (LEO) constellations to Geostationary platforms, has successfully closed a €2.5 million Seed round, led by Galaxia​ ​(€950,000), the Italian Technology Transfer Hub on Aerospace powered by CDP Venture Capital together with Obloo Ventures, and joined by Takeoff S.r.l. (€800,000) – the acceleration program of the CDP Venture Capital National Accelerator Network for aerospace and advanced hardware startups, managed by Plug and Play – and by Scientifica Venture Capital (€150,000), as already pre-seed investors.

The round was closed by the entry of Deep Ocean Capital SGR S.p.A. (€600.000), through its Deep Blue Ventures (DBV) and Deep Blue Ventures Space (DBVS) funds, as a strategic investor, which enabled the conversion of previous other investors SAFE instruments into equity. This brings the total seed round to €2.5 million and provides OhmSpace with a solid foundation to accelerate its growth and technological development.

This raise was underpinned by OhmSpace’s rapid growth and ambitious technological roadmap. Thanks to the support of the European Space Agency (ESA) with multiple contracts, the trust of its investors, and the dedication of its team, OhmSpace has been able to accelerate the development of its disruptive high temperature resistojet propulsion technology.

The company also secured support from Invitalia Smart & Start, enabling the launch of in-house manufacturing at its Rome facility. OhmSpace has planned two In-Orbit Demonstration (IOD) missions in 2026 to validate STAR-Water-nano, its MVP product for the nanosatellite market, making its product available to customers starting also in 2026. These missions will allow to test its groundbreaking propulsion technology, which delivers high specific impulse and thrust using safe, low-cost, and readily available propellants, eliminating the need for hazardous chemicals without compromising speed to reach operational orbit. The technology also enables faster satellite manoeuvring, benefiting large LEO constellations by accelerating revenue generation and reducing the risk of space debris collisions by a factor of ten, positioning OhmSpace as a leader in safe, efficient, and sustainable satellite operations.

These funds will support the industrialisation of OhmSpace’s resistojet propulsion systems, accelerating preparation for the 2026 IOD missions and scaling production of the STAR product line for commercial use. With the rapid growth of small and large LEO constellations, OhmSpace is positioned to expand its market presence, strengthen technological leadership, and bring its innovative satellite mobility solutions to customers worldwide.

With the Seed investment round and the support of both existing and new strategic investors, OhmSpace is well-positioned to capitalize on the expanding satellite propulsion market, strengthen its technological leadership, and accelerate its global commercial entry in 2026.

Rome, Italy / Southampton, United Kingdom – June 18, 2025 – OhmSpace, a deep-tech startup pioneering sustainable in-space propulsion technologies, has signed a contract with HEX20, a space systems company specializing in nano and microsatellite platforms, to deliver a dedicated CubeSat In-Orbit Demonstration (IOD) mission for OhmSpace’s STAR-Water-nano propulsion system.

The STAR-Water-nano is an innovative electric propulsion system that uses water as a propellant, offering a safe, cost-effective, and scalable solution for maneuvering small satellites in orbit. This upcoming IOD mission will be the first in-space validation of OhmSpace’s core technology and a critical milestone in its roadmap to deliver modular, sustainable propulsion systems for the growing small satellite market.

Under the agreement, HEX20 will lead the end-to-end mission delivery, including satellite integration, launch coordination, and operational support. The mission is planned for launch in 2026 and is aligned with both companies’ shared vision of accessible and sustainable space innovation.

STAR-Water-nano is an innovative electric propulsion system that uses water as a propellant, offering a safe, non-toxic, and cost-effective solution for satellite manoeuvring. Designed for nano and micro satellites, the system delivers high propellant efficiency while reducing operational complexity and regulatory burden, addressing key constraints faced by small satellite operators.

Under the agreement, C3S LLC will be responsible for the end-to-end mission delivery, including satellite platform provision, payload integration, launch coordination, and in-orbit operations. The collaboration brings together OhmSpace’s advanced propulsion technology and C3S LLC’s experience in delivering reliable, flight-proven small satellite missions.

This mission represents a major leap for OhmSpace as it brings its breakthrough technology into real-world operation and sets the foundation for a new era of sustainable in-orbit propulsion.

Rome, Italy / Southampton, United Kingdom – January 23, 2026 – OhmSpace, a deep-tech company advancing next-generation electric propulsion for satellites, has been selected as a demonstrator payload on the OPS-SAT ORIOLE mission supported by the European Space Agency and delivered by Hungarian satellite integrator and manufacturer C3S Electronics Development LLC.

Under this agreement, OhmSpace’s STAR-Water-nano Gen 1 propulsion system will fly aboard the OPS-SAT ORIOLE satellite as part of a shared-payload In-Orbit Demonstration (IOD), offering a unique opportunity to validate for the second time its performance in Low Earth Orbit. The OPS-SAT ORIOLE mission, designed to showcase cutting-edge optical and infrared technologies, is scheduled to launch in Q1 2027 on SpaceX’s Transporter-19 rideshare mission.

This second in-orbit demonstration plays a critical role in OhmSpace’s commercialisation strategy. Beyond validating core propulsion performance, the mission is designed to demonstrate repeatability, operational robustness, and mission-level integration under real in-orbit conditions. It will provide flight data essential for customer qualification, support upcoming commercial contracts, and de-risk future missions requiring reliable in-orbit manoeuvring. As such, the Q4 2026 IOD represents a decisive step in bridging the gap between technology validation and scalable market deployment.

STAR-Water-nano is an innovative electric propulsion system that uses water as a propellant, offering a safe, non-toxic, and cost-effective solution for satellite manoeuvring. Designed for nano and micro satellites, the system delivers high propellant efficiency while reducing operational complexity and regulatory burden, addressing key constraints faced by small satellite operators.

Under the agreement, C3S LLC will be responsible for the end-to-end mission delivery, including satellite platform provision, payload integration, launch coordination, and in-orbit operations. The collaboration brings together OhmSpace’s advanced propulsion technology and C3S LLC’s experience in delivering reliable, flight-proven small satellite missions.

The mission underscores OhmSpace’s broader vision to enable more agile, efficient, and sustainable space operations, while reinforcing its position as a leading European player in next-generation electric propulsion for small satellites.