SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Optisys logo Optisys Metal additive manufacturing of monolithic RF antennas and assemblies for aerospace, defense, and space vs Phase Four Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites Phase Four logo
HEAD-TO-HEAD1 shared sector
Optisys Phase Four
Founded 2016 2015
Headquarters United States Hawthorne, California
Type private private
Status operating closed
Employees 5
Total funding $35.8M
Latest round Series C
Sectors Satellite Components & Subsystems, Space Defense Systems Space Propulsion, Satellite Components & Subsystems
Products listed 6 4
Federal contracts
Launches
Leaders listed Janos Opra, Michael Hollenbeck, Robert Smith Steve Kiser, M. Umair Siddiqui, Simon Halpern
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Optisys and Phase Four compare?

Both companies work in Satellite Components & Subsystems. Optisys was founded in 2016 and Phase Four in 2015.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.