Insights

Defense tech expansion Castellum is actively pursuing acquisition-led growth in cyber security, information warfare, electronic warfare, and IT services for federal government clients, signaling ongoing expansion and potential for upsell in defense and security solutions.

Navy contract momentum Recent press indicates Castellum won a position on a $250 million U.S. Navy Logistics IT MA contract and formalized a new Navy client, creating opportunities for integrated IT, cyber, and EW offerings within naval logistics and enterprise systems.

Strategic partnerships Recent collaborations with Quarrio for trustworthy agentic AI and AmpliTech Group for next-generation communications suggest a receptiveness to co-development and integrated product solutions, opening channels for joint proposals and bundled capabilities.

Financial uplift signals First quarter 2026 revenue of $14.3 million, up 23 percent year over year, along with ongoing long-term contract ramps, indicates growing demand and budget authority for scalable cyber, IT, and C5ISR services relevant to government procurement cycles.

Public market positioning As a NYSE-American listed small-cap with government-focused services and multiple prime-like opportunities, Castellum offers pathways for tailored proposals to federal agencies, leveraging its GSA PSS and Navy Seaport-e access to accelerate contract wins.

Castellum Inc. Tech Stack

Castellum Inc. uses 8 technology products and services including SaltStack, git, Microsoft Active Directory, and more. Explore Castellum Inc.'s tech stack below.

  • SaltStack
    Build Automation
  • git
    Development
  • Microsoft Active Directory
    Identity And Access Management
  • Cisco
    Network Hardware
  • CentOS
    Operating Systems
  • Java
    Programming Languages
  • X-XSS-Protection
    Security
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

Castellum Inc.'s Email Address Formats

Castellum Inc. uses at least 1 format(s):
Castellum Inc. Email FormatsExamplePercentage
FLast@castellumus.comJDoe@castellumus.com
100%

Frequently Asked Questions

What is Castellum Inc.'s official website and social media links?

Minus sign iconPlus sign icon
Castellum Inc.'s official website is castellumus.com and has social profiles on LinkedInCrunchbase.

How much revenue does Castellum Inc. generate?

Minus sign iconPlus sign icon
As of July 2026, Castellum Inc.'s annual revenue is estimated to be $10M - $25M.

What is Castellum Inc.'s SIC code NAICS code?

Minus sign iconPlus sign icon
Castellum Inc.'s SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does Castellum Inc. have currently?

Minus sign iconPlus sign icon
As of July 2026, Castellum Inc. has approximately 52 employees across 1 continents, including North America. Key team members include Chief Financial Officer: D. B.Chief Operating Officer: A. M.Vice President Of Business Development And Capture: T. G.. Explore Castellum Inc.'s employee directory with LeadIQ.

What industry does Castellum Inc. belong to?

Minus sign iconPlus sign icon
Castellum Inc. operates in the Defense and Space Manufacturing industry.

What technology does Castellum Inc. use?

Minus sign iconPlus sign icon
Castellum Inc.'s tech stack includes SaltStackgitMicrosoft Active DirectoryCiscoCentOSJavaX-XSS-ProtectionX-Content-Type-Options.

What is Castellum Inc.'s email format?

Minus sign iconPlus sign icon
Castellum Inc.'s email format typically follows the pattern of FLast@castellumus.com. Find more Castellum Inc. email formats with LeadIQ.

How much funding has Castellum Inc. raised to date?

Minus sign iconPlus sign icon
As of July 2026, Castellum Inc. has raised $23M in funding. The last funding round occurred on Jun 12, 2025 for $5M.

When was Castellum Inc. founded?

Minus sign iconPlus sign icon
Castellum Inc. was founded in 2019.
Castellum Inc. logo

Castellum Inc.

Defense and Space ManufacturingMaryland, United States51-200 Employees

Its customers are federal government agencies, with a focus on defense-related IT and EW services. The company has established procurement channels with the General Services Administration and Navy programs, including Navy Seaport-e. In June 2026, Castellum announced a new United States Navy client and a joint venture secured a position on a Navy Logistics IT contract.

Section iconCompany Overview

SIC Code
3761 - Guided Missiles and Space Vehicles
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
2019
Employees
51-200

Section iconFunding & Financials

  • $23M

    Castellum Inc. has raised a total of $23M of funding over 7 rounds. Their latest funding round was raised on Jun 12, 2025 in the amount of $5Mas a post_ipo_equity.

  • $10M - $25M

    Castellum Inc.'s revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $23M

    Castellum Inc. has raised a total of $23M of funding over 7 rounds. Their latest funding round was raised on Jun 12, 2025 in the amount of $5Mas a post_ipo_equity.

  • $10M - $25M

    Castellum Inc.'s revenue is estimated to be in the range of $10M - $25M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.