Starfish Space vs Relativity Space
Side-by-side comparison of AI visibility scores, market position, and capabilities
Satellite servicing startup raised $110M Series B in Apr 2026; Otter spacecraft completing first operational mission in 2026 with 5 named customers including SES, NASA, and three US Space Force contracts; three successful orbital demonstrations completed.
About
Starfish Space is a Washington-based startup building the Otter spacecraft for on-orbit satellite servicing, including docking, relocation, inspection, and life extension of satellites. The company closed a $110 million Series B in April 2026, led by Point72 Ventures and co-led by Activate Capital and Shield Capital, bringing total funding to over $150 million.
Relativity Space is building the world's first fully 3D-printed rocket, using autonomous robotic manufacturing to reduce production time from years to 60 days. HQ: Long Beach, CA.
About
Relativity Space is an aerospace company pioneering a new approach to rocket manufacturing through large-scale 3D printing and autonomous robotics, with the goal of building a fully vertically integrated launch company that can design, manufacture, and launch rockets at a fraction of traditional cost and time. Founded in 2015 by Tim Ellis and Jordan Noone, former SpaceX and Blue Origin engineers, Relativity uses its proprietary Stargate metal 3D printing system — the world's largest metal 3D printer — to fabricate rocket structures from aluminum alloy, reducing part counts from 100,000+ (traditional rockets) to under 1,000.
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