Castellum, Inc. provides services in the areas of cybersecurity, information technology, electronic warfare, information warfare, and information operations.

The company offers intelligence analysis, software development, software engineering, program management, strategic and mission planning, information assurance, cybersecurity and policy support, and data analytics services.

It serves customers in the Federal government, financial services, healthcare, and other data application sectors.

The company was incorporated in 2010 and is based in Bethesda, Maryland.