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Benchmark Space Systems

Vermont company that builds thrusters for small satellites, using non-toxic hydrogen peroxide fuel and compact electric thrusters, so spacecraft can change orbits, dodge debris and deorbit.

Products, by altitude

Low Earth orbit · 160–2,000 km

Known rounds

DateRoundAmount
Jun 2025Equity (Form D)$2.4M⁠1
May 2024Equity (Form D)$6.8M⁠2
Jul 2023Series B$33.2M⁠3
Nov 2022Other securities (Form D)$9.6M⁠4
May 2022Other securities (Form D)$5.6M⁠5
Oct 2021Equity (Form D)$8.5M⁠6
May 2021Other securities (Form D)$1.5M⁠7
May 2020Equity (Form D)$2M⁠8
Dec 2019Debt (Form D)$1.3M⁠9
Nov 2018Equity (Form D)$1.1M⁠10
Mar 2018Other securities (Form D)$275K⁠11

Milestones

  • Apr 2026 DARPA selected Benchmark for a feasibility and design study under its LASSO program for small spacecraft operating in very low lunar orbit. Company statement⁠12

Sources

  1. SEC EDGAR (Form D)Jul 2, 2025
  2. SEC EDGAR (Form D)May 21, 2024
  3. TechCrunchJul 6, 2023
  4. SEC EDGAR (Form D)Dec 6, 2022
  5. SEC EDGAR (Form D)Jun 8, 2022
  6. SEC EDGAR (Form D)Jan 14, 2022
  7. SEC EDGAR (Form D)Aug 17, 2021
  8. SEC EDGAR (Form D)May 27, 2020
  9. SEC EDGAR (Form D)Jan 2, 2020
  10. SEC EDGAR (Form D)Dec 3, 2018
  11. SEC EDGAR (Form D)Mar 7, 2018
  12. Benchmark Space Systems press releaseApr 20, 2026
  13. Benchmark Space Systems press releaseJun 30, 2025

Updated Oct 22, 2026 · How we source facts · Suggest a correction