Castellum
Holding Companies & Conglomerates · Maryland, United States · 11-50 Employees
View Company Info for Free
Overview
Headquarters
3 Bethesda Metro Ctr Ste 700, Bethesda, ...Phone Number
(301) 961-4895Website
www.castellumus.comRevenue
$46.6 MillionStock Symbol
ONOVIndustry
About Castellum
Castellum Org Chart
Is Castellum your ideal customer? 
Let us give you the heads up on whether it's a good time to reach out
Competitive Alert! Recent activity has been detected by your competitor Masked Content
Product Launch: Get notified when Castellum launches new products
Funding: Get notified immidiatlly once Castellum has new funding data
Castellum, which may be a good buyer, showed buying intent in Masked Content Topic
Earning: See what the market has to say on Castellum recently announced quarterly report
Congratulate Masked Content for being promoted to Masked Content at Castellum
Check if Castellum has recently received funding, and reach out quickly before it becomes old news!
Check out if Castellum is spiking on competitors!
Click to see if Castellum had a recent Job posting/layoffs
Website visits: Recent activity has been detected on your website
Recommended Actions
Find VP level buyers at Castellum
Find 2 more new buyers
Compare Similar Companies to Castellum
Compare insights from companies similar to Castellum, focusing on performance, financial data, growth rates, and unique benchmarks to identify key industry trends and opportunities.
Revenue
Number of Employees
Type
Funding
Founded In
Company Profile Activity
Activity Insights
Castellum is experiencing very low activity levels compared to other companies in the Holding Companies & Conglomerates sector.
What does this means?
Castellum is drawing exceptional interest within the Holding Companies & Conglomerates industry, suggesting notable developments or strong market momentum, learn more about Castellum.
Castellum financials insights
Gather financial insights about Castellum, including details on funding rounds, investors, total funding, and acquisitions, to gain a comprehensive understanding of their financial strategy.
Angel/Seed
$520K
Debt
$950K
Castellum Tech Stack
A closer look at the technologies used by Castellum
Most Recent Scoops
Castellum News & Media
Castellum Schedules Second Quarter 2026 Earnings Release and Conference Call
Call Scheduled for 10:00 am ET on Friday, August 7, 2026 Call Scheduled for 10:00 am ET on Friday, August 7, 2026Castellum Subsidiary SSI Wins $4 Million U.S. Navy ADMACS Modernization Subcontract, Expanding High-Value Navy Software Portfolio
VIENNA, Va., June 24, 2026 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) (“Castellum,” “CTM,” or the “Company”), a cybersecurity, electronic warfare, and software services company focused on the federal government, today announced that its wholly owned subsidiary Specialty Systems, Inc. (“SSI”), has been awarded a $4 million directed subcontract to modernize the U.S. Navy’s Aircraft Data Management and Control System (“ADMACS”). The award was issued under SAIC’s prime contract on theCastellum Joint Venture Wins Position on $250 Million U.S. Navy Logistics IT Multiple Award Contract
VIENNA, Va., June 15, 2026 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) (“Castellum” “CTM”, or the “Company”), a cybersecurity, electronic warfare, and software services company focused on the federal government, announced today that its joint venture CTM JV, LLC has been awarded a contract to the Logistics IT Integration and Support (“LIIS”) Capability Modernization, Deployment, and Support (“CMDS”) Multiple Award Contract (“MAC”). The MAC is structured as an indefinite delivery/indCastellum Reminds Stockholders to Submit Their Vote at Its Upcoming 2026 Annual Meeting
To be Held on Tuesday, May 19, 2026 at 10:00 a.m. ET To be Held on Tuesday, May 19, 2026 at 10:00 a.m. ET
Top Holding Companies & Conglomerates Companies
Top companies in Canada by revenue
Top companies in Australia by revenue
Top companies in New Zealand by revenue
Frequently Asked Questions Regarding Castellum
Castellum, Inc. is a technology company that specializes in executing strategic acquisitions in the cybersecurity, information technology, information warfare, and electronic warfare space. They are based in Bethesda, Maryland.... Read More