Castellum, Inc. provides services in the areas of cybersecurity, information technology, electronic and information warfare, and information operations. Its services include intelligence analysis, software development, software engineering, program management, strategic and mission planning, information assurance, cybersecurity and policy support, data analytics, and model based systems engineering services. It serves customers in the federal government, financial services, healthcare, and other data application sectors. The company is based in Bethesda, Maryland.