Muon Space vs Apex Space
Side-by-side comparison of AI visibility scores, market position, and capabilities
Muon Space raised $56M Series A in 2023 for its vertically integrated small satellite platform for climate monitoring and weather forecasting, integrating satellite hardware, software, and data analytics.
About
Muon Space builds end-to-end Earth observation satellites optimized for climate and weather data — integrating hardware design, manufacturing, launch, and data analytics into a single company. The company's satellites carry custom sensors for atmospheric sounding, precipitation measurement, and wildfire detection, providing data products to government agencies and commercial weather services that require frequent, high-fidelity atmospheric observations.
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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