SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
K2 Space logo K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions vs Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations Portal Space Systems logo
HEAD-TO-HEAD2 shared sectors
K2 Space Portal Space Systems
Founded 2022 2021
Headquarters Torrance, California Bothell, Washington
Type private private
Status operating operating
Employees 159 22
Total funding $429M $20M
Latest round Series C Seed
Sectors Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 3 3
Federal contracts
Launches
Leaders listed Karan Kunjur, Neel Kunjur, John Plumb Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do K2 Space and Portal Space Systems compare?

Both companies work in Satellite Manufacturing, Space Propulsion. K2 Space was founded in 2022 and Portal Space Systems in 2021.

Which is larger, K2 Space or Portal Space Systems?

K2 Space reports the larger workforce, with 159 employees versus 22.

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