SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Mithril Technologies logo Mithril Technologies Develops deployable mesh reflector antennas and adaptive radar systems for satellite communications and RF situational awareness in GEO and higher orbits vs Phase Four Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites Phase Four logo
HEAD-TO-HEAD1 shared sector
Mithril Technologies Phase Four
Founded 2023 2015
Headquarters Somerville, Massachusetts Hawthorne, California
Type private private
Status operating closed
Employees 4 5
Total funding $35.8M
Latest round Non Equity Assistance Series C
Sectors Satellite Components & Subsystems, Space Domain Awareness Space Propulsion, Satellite Components & Subsystems
Products listed 1 4
Federal contracts
Launches
Leaders listed Scarlett Koller, Nainika Sudheendra, Bruce Hecht Steve Kiser, M. Umair Siddiqui, Simon Halpern
News mentions 3 0
SHARED SECTORS
FREQUENTLY ASKED

How do Mithril Technologies and Phase Four compare?

Both companies work in Satellite Components & Subsystems. Mithril Technologies was founded in 2023 and Phase Four in 2015.

Which is larger, Mithril Technologies or Phase Four?

Phase Four reports the larger workforce, with 5 employees versus 4.

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