Muon Space
Silicon Valley, US · Founded 2021 · 11 known investors
Muon Space designs, builds, and operates satellite constellations using its proprietary Halo technology stack, which integrates spacecraft platforms, payload integration, and software-defined orchestration to deliver data and enable real-time computation in space. The company serves commercial and national security customers from its facilities in Silicon Valley.
Founders & leadership
JD
Jonny DyerFounder & CEO
PD
Paul DayExecutive Officer, Director
DM
Daniel McCleeseExecutive Officer, Director
JC
John CowgillDirector
RT
Rob ToewsDirector
Investors · 11
ACME CapitalSan Francisco
ACTIVATE CAPITAL PARTNERSSan Francisco · $10M – $30M
Air Street CapitalSt. Peter Port · $500K – $10M
ClimacticSan Francisco · $1.5M – $3M
Congruent VenturesSan Francisco · $100K – $5M
Radical VenturesToronto · $1M – $25Mvia Rob Toews · board
South Park CommonsSan Francisco · $1M – $10M
Space CapitalNew York City
Costanoa VenturesreportedSan Francisco · $500K – $8Mvia John Cowgill · board
EclipsereportedPalo Alto
Ubiquity VenturesreportedPalo Alto · $1M – $3M
Reported raises · per SEC filings
Form D private placements▶$25MraisedJun 2022 · 12 investors · OtherRule 506(b)
▶$25MraisedJun 2022 · 12 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Paul DayExecutive Officer, Director
- Jonathan DyerExecutive Officer, Director
- Daniel McCleeseExecutive Officer, Director
- John CowgillDirector
- Rob ToewsDirector
- Offering amount
- $25M
- Amount sold
- $25M
- First sale
- May 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
- Scoop: Muon Space raising $250M for satellite constellationsaxios.com · 2026
- Bay Area startup opens satellite manufacturing facility – NBC Bay Areanbcbayarea.com · 2026
- Muon Space’s Sat-Backed Growth Strategy for 2026payloadspace.com · 2026
- Space Force Awards Muon Space $44.6M in SBIR Funding for 3-Satellite Mission - Via Satellitesatellitetoday.com · 2025