K2 Space vs Apex Space
Side-by-side comparison of AI visibility scores, market position, and capabilities
Extra-large satellite company raised $250M Series C at $3B valuation with $500M+ in signed contracts; first Gravitas satellite with 40-meter wingspan and 20kW power launched March 2026;
About
K2 Space is a Torrance, California-based company building extra-large, high-powered satellites for orbital computing, communications, and defense. Founded by brothers Karan and Neel Kunjur, both former SpaceX engineers, K2 raised $250 million at a $3 billion valuation in its Series C round and has signed over $500 million in commercial and government contracts.
Apex Space raised $400M across Series C and D rounds in 2025, achieving a $1B+ valuation, as the first manufacturer to offer productized 100–500kg satellite buses at high production rates for commercial and government LEO constellation customers.
About
Apex Space is a spacecraft manufacturer founded in 2022 that produces productized, configurable satellite bus platforms ranging from 100 to 500 kilograms, designed for rapid delivery and scalability to serve the growing demand for commercial and government space missions. Unlike traditional satellite manufacturers that build fully custom spacecraft for each customer, Apex offers standardized bus platforms that dramatically reduce lead times and per-unit costs, enabling customers to deploy constellations at production scale.
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