Integrated Technical Capabilities for Complex National Security Challenges
Castellum and its subsidiaries provide specialized technology, engineering, cyber, operational, and program support services for U.S. Government and commercial clients.
Integrated Capabilities Across Critical Mission Areas
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Digital and Software Engineering
Transforming complex software challenges into secure and scalable solutions.
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Program Support
Ensuring your most critical initiatives stay on track and deliver measurable results when execution matters most.
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Model Based Systems Engineering (MBSE)
Transforming complexity into clarity, enabling teams to visualize, analyze, and optimize systems before they’re built.
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Electronic Warfare (EW)/ Electromagnetic Spectrum Operations (EMSO)
Empowering organizations to sense, secure, and dominate in contested, multi‑domain environments.
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C5ISR
Delivering the connected awareness and decisive advantage required for modern operations.
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Data Analytics
Empowering organizations to transform raw information into actionable insight at every level of decision making.
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Cyber Security
Providing the disciplined processes and expert guidance organizations need to achieve and sustain compliance in today’s complex cyber landscape.
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Engineering/Logistics
Ensuring that complex systems are designed, delivered, and sustained with precision and reliability.
Specialized Subsidiaries Working As One Company Across Mission Domains
SSI:
Software engineering, cybersecurity, systems engineering, program support, network engineering, mission-critical systems
Corvus:
Cyberspace operations, electronic warfare, information operations, intelligence, spectrum management, project/program management
GTMR:
Engineering services, logistics support, OT&E, technical documentation, interactive training