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National Security Startups

Updated July 2026

Companies in the national security sector developing innovative solutions and technologies.

Explore 110 recently funded national security companies with verified founder contact information and fundraising data.

Total Companies
110
Total Funding
$833.4M
Avg Funding
$33.3M
Global Reach
8
countries

Top Cities for National Security

Houston
Troy
Groton
Nihombashi-hamacho
London
Los Angeles

Recently Funded Companies

Export
Houston, United States

Precise Space Insights, when and how the world needs them.

$275K raised
Feb 2024

Founder Contacts

30,000+ verified contacts

Troy, United States

Software Development, DoD, SaaS, DevOps, Mission Systems, Simulation

$250K raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Groton, United States

ThayerMahan is a provider of marine robotic solutions for the government and industry.

$20.0M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Nihombashi-hamacho, Japan

Axelspace is a commercial microsatellite developer and satellite imagery provider.

$43.5M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Point Zenith is a software company providing UAS flight operations management, including regulatory, compliance, and training solutions.

$635K raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

Next-generation space launch company providing efficient, clean and flexible transport to space

$5.0M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Oakland, United States

Zero Trust Data Protection Platform

$2.5M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Chattanooga, United States

Fenix24 is a part of the Conversant Group family of companies that focuses on post-incident disaster recovery and restoration.

$5.0M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Herzliya, Israel

NSO Group develops Cyber Intelligence tools for Governments use only

$100.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Arlington, United States

Two Six Technologies provides cybersecurity and technology solutions for national security customers.

$10.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

El Segundo, United States

Cambium specializes in advanced materials for defense and aerospace, focusing on AI-driven designs and agile manufacturing practices.

$100.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Rochester, United States

Monarc Holdings focuses on the growth of innovative ideas and technologies that protect people, places, and things.

$3.7M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Montréal, Canada

Dual-use, Defense Tech, Emergency Response, Climate Resilience, Deployable Infrastructure, Civil Protection, Government

Jan 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Delian builds a new defense prime to protect the West and its allies in the era of autonomous warfare

Jan 2026

Founder Contacts

30,000+ verified contacts

Torrance, United States

Castelion is a defense tech company that applies modern hardware development and manufacturing processes to national security challenges.

$350.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Wardstone is a space defense-tech company developing next-generation capabilities to protect from missiles and other space-based threats.

$500K raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Galway, Ireland

Siren offers an Investigative Intelligence Platform that facilitates search, business intelligence, and information gathering.

Dec 2025

Founder Contacts

30,000+ verified contacts

San Diego, United States

SkySafe allows governments, law enforcement, airports, cities, and more to manage their airspace with real-time drone data and analytics.

$30.0M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Munich, Germany

21strategies leverages deep technology and Enterprise AI to transform how organizations make decisions under uncertainty.

$2.0M raised
Dec 2022

Founder Contacts

30,000+ verified contacts

Dublin, Ireland

Argus Tactical Intelligence Platform: Unlimited data source integration, enterprise graph analysis, and flexible deployment.

$50.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Denver, United States

Deterrence is a defense technology company focused on automating the production of energetics at scale.

$10.1M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

San Antonio, United States

Forward Edge AI develops artificial intelligence for public safety and national security.

Jan 2023

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Vannevar Labs is a technology startup providing defense and national security technologies for critical national security problems.

$75.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Fairfax, United States

BigBear.ai's mission is to deliver clarity for the world's most complex decisions.

$25.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Trnava, Slovakia (Slovak Republic)

Airvolute is a deep tech company providing AI-driven autonomous flight capabilities to businesses and governments.

Jan 2026

Founder Contacts

30,000+ verified contacts

Showing 76 to 100 of 110 companies

About the National Security Startup Ecosystem

The national security sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in National Security

National Security companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The national security sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

National Security Funding Breakdown

Here is how funding is distributed among the 110 national security companies tracked in the VCBacked database.

Average Funding
$33.3M
Total Funding Tracked
$833.4M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for National Security

1.London
2 companies$635K
2.Houston
1 companies$275K
3.Troy
1 companies$250K
4.Groton
1 companies$20.0M
5.Nihombashi-hamacho
1 companies$43.5M

Related Industries

Companies in the national security sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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