Castelion vs Peraton
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $350M Series B (Dec 2025). $50M US Navy contract for Blackbeard hypersonic prototyping. 1,000-acre solid rocket motor facility under construction.
About
Castelion is a defense startup developing the Blackbeard hypersonic missile system, one of the few startups with an active US Navy contract for hypersonic weapons full-scale prototyping and early operational fielding. The company raised $350 million in Series B financing in December 2025 and secured a $50 million US Navy contract for Blackbeard prototyping, directly addressing the DoD's urgency to field hypersonic strike capability as China and Russia have demonstrated operational hypersonic weapons.
National security-focused federal IT firm with $8B+ revenue and 17,000+ employees. Serves DoD, intelligence community, and NASA on space, cyber, and mission-critical programs.
About
Peraton is a national security and critical infrastructure technology company founded in 2017 through Veritas Capital's acquisition of Harris IT Services, headquartered in Herndon, Virginia. The company operates at the classified intersection of space, intelligence, cyber, defense, and civilian IT missions, generating over $8 billion in annual revenue with a workforce exceeding 17,000 cleared professionals.\n\nPeraton's portfolio covers space systems engineering, satellite communications, intelligence analysis, cybersecurity operations, digital transformation for federal agencies, and mission application development. The company has built deep experience supporting agencies such as NASA, NGA, NSA, DISA, and the military services. Its "enterprise IT at scale" strategy emphasizes complex, multi-year programs in the $500 million to $2 billion range—an area where its cleared workforce and program execution track record provide competitive advantages.\n\nFormed through the merger of Perspecta (a combination of DXC's government IT business, Vencore, and KeyW) and Northrop Grumman's IT and mission services division, Peraton rapidly became one of the largest pure-play national security IT contractors. Veritas Capital has positioned Peraton as a strategic consolidator in government IT, adding capabilities in autonomy, AI, and next-generation communications since 2021.
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