Castellum Inc Dossier
Qualitative Analysis
Business overview
Castellum, Inc. (NYSE American: CTM) is a technology and solutions company focused on leveraging information technology, cybersecurity, electronic warfare, information warfare, and software engineering to solve critical national security challenges. The company primarily serves the U.S. federal government, including defense, intelligence, and civilian agencies, as well as state and local governments and commercial clients. Castellum operates through a buy-and-build strategy, having integrated seven strategic acquisitions since November 2019 to build a scalable public company platform. Its core capabilities include intelligence analysis, software development, program management, strategic mission planning, information assurance, data analytics, and model-based systems engineering (MBSE).
Research as of 19 Jun 2026
Strategic Initiatives
Growth programs, investments, and their expected impact
Transitioning from an acquisition-led startup phase to a focus on building strong organic growth momentum, converting its record backlog, and leveraging its CMMC Level 2 certification to win prime DoD contracts.
Expected impact: Aims to accelerate organic revenue growth, improve operating margins, and transition the company toward GAAP profitability.
A newly established product subsidiary designed to partner with innovative technology companies and develop proprietary products internally.
Expected impact: Expands Castellum's offerings beyond services into high-margin technology products, starting with a reseller agreement for AmpliTech's low noise amplifiers.
Mergers, Acquisitions & Partnerships
Recent deals and strategic collaborations
Recent Acquisitions
Acquired to expand capabilities in electronic warfare and cybersecurity, and to gain access to key Navy contract vehicles.
Financial impact: Contributed significantly to the 15.2% organic revenue growth in FY2025 and the 23% revenue growth in Q1 2026.
Strategic Partnerships
Allows Castellum's new subsidiary, Castellum Advanced Technology Products, Inc., to resell AmpliTech's world-class low noise amplifiers to government clients, combining C5ISR capabilities with advanced hardware.
Terms: Reseller commission and product sales split (specific financial terms not disclosed).
Structured under the Federal Acquisition Regulation to collaborate on government contract bids, leveraging Epic's small business status and Castellum's subsidiary SSI's extensive engineering experience.
Terms: Joint bidding on federal IT infrastructure, cybersecurity, and electronic warfare contracts.