Muon Space ranks 20 on the Space 100 with a score of 81; EnduroSat ranks 55 with 72. Muon Space is ahead on technology, positioning and leverage. Level on deployment, production, commercials, progress and firepower. EnduroSat is based in Sofia, Bulgaria, Muon Space in Mountain View, United States. Muon Space: Growth. EnduroSat is named in 40 signals and Muon Space in 65.
EnduroSat designs and manufactures small-satellite buses and platforms, including its FRAME product line, for customer payloads, technology demonstrations, and commercial fleets.
Darker bar: ahead of the other company on that measure.
EnduroSat is a Bulgarian satellite maker whose new 17,500 sq m Sofia factory (opened October 2025) has a stated capacity of up to two 200-500kg satellites per day at full rate, across a fully in-house product ladder (8U-16U cubesats to a 500kg FRAME Max). It is the EU volume-manufacturing bet with Silicon Valley capital ($167M total, Founders Fund-led with Google Ventures), with explicit US expansion and a WISeSat secure-IoT partnership. Revenue is estimated at 10-100m.
40 signals name EnduroSat.
35 facts on file.
Muon Space designs, builds and operates satellites and spacecraft platforms, including Halo, Quickbeam and Condor-Ultra, for customer constellations.
Darker bar: ahead of the other company on that measure.
Muon Space is a US satellite maker (founded by ex-SpaceX engineer Jonny Dyer) built on a full-stack Mission Foundry model, with 11 satellites flown and a San Jose plant targeting 500 satellites a year by 2027. It raised a $250M Series C in August 2026 at a $1.5B valuation (Eclipse-led, with Google, Salesforce Ventures, and Woven/Toyota), launched the first three operational FireSat wildfire-detection satellites with Google in July 2026, and debuted a higher-power platform aimed at orbital data centers (pathfinder 2028). Revenue, FireSat economics, and the 500-per-year credibility are open.
65 signals name Muon Space.
58 facts on file.
Muon Space ranks 20 on the Space 100 with a score of 81; EnduroSat ranks 55 with 72. Muon Space is ahead on technology, positioning and leverage. Level on deployment, production, commercials, progress and firepower. EnduroSat is based in Sofia, Bulgaria, Muon Space in Mountain View, United States. Muon Space: Growth. EnduroSat is named in 40 signals and Muon Space in 65.
Muon Space ranks 20 on the Space 100 with a score of 81; EnduroSat ranks 55 with 72. Muon Space is ahead on technology, positioning and leverage. Level on deployment, production, commercials, progress and firepower. EnduroSat is based in Sofia, Bulgaria, Muon Space in Mountain View, United States. Muon Space: Growth. EnduroSat is named in 40 signals and Muon Space in 65. Both company files carry the scores on eight measures, the facts with sources and the latest signals.
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