Momentus vs Starfish Space
Momentus
Momentus offers the infrastructure services necessary to enable enterprise and human existence to flourish in space
65 employees · est. 2017 · San Jose, United States
Starfish Space
Building the infrastructure for humanity's expansion into space
91 employees · est. 2019 · Tukwila, United States
Momentus is the older company (2017 vs 2019).
Side-by-Side Comparison
| Metric | Momentus | Starfish Space |
|---|---|---|
| Founded | ||
| Founded | 2017 older | 2019 |
| Headquarters | ||
| Headquarters | San Jose, United States | Tukwila, United States |
| Employees | ||
| Employees | 65 | 91 |
| Industry | ||
| Industry | Space, Transportation | Manufacturing, Space, Transportation |
| Funding Stage | ||
| Funding Stage | Post-IPO Debt | Series A |
| Total Funding | ||
| Total Funding | $159.63M | $62.95M |
| Funding Rounds | ||
| Funding Rounds | 10 | 10 |
| Services | ||
| Services | Space Transportation and Infrastructure Services, Satellite Launch Services, Orbital Transportation Solutions | Satellite Life Extension, Satellite Disposal, Proximity Operations |
| Target Customers | ||
| Target Customers | Satellite Operators, Aerospace Companies, Government Space Agencies, Commercial Space Enterprises | Satellite Operators, Commercial Space Companies, Space Agencies |
| Taxonomy | ||
| Taxonomy | Space InfrastructureIn-Space TransportationIn-Orbit ServicesHosted PayloadsOrbital Transfer VehiclesWater Plasma Propulsion +8 | Satellite ServicingSpace InfrastructureLife ExtensionSatellite RelocationEnd Of Life DisposalSpace Tugs +6 |
| Website | ||
| Website | momentus.space | starfishspace.com |
About Momentus
Momentus, founded in 2017 and headquartered in the United States, is a pioneering company in the space and transportation industries. With a compelling slogan, "Momentus offers the infrastructure services necessary to enable enterprise and human existence to flourish in space," the company positions...
About Starfish Space
Starfish Space, founded in 2019, is making significant strides in crafting the infrastructure pivotal for humanity's expansion into space. Positioned at the forefront of the Manufacturing, Space, and Transportation industries, this United States-based enterprise is underscoring its innovative edge w...
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Compiled from the BounceWatch company index. We last looked at Momentus on 24 Sep 2026, and Starfish Space on 1 Apr 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.