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National Security Startups

Updated October 2026

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

Explore 130 recently funded national security companies with verified founder contact information and fundraising data.

Total Companies
130
Total Funding
$582.6M
Avg Funding
$23.3M
Global Reach
6
countries

Top Cities for National Security

South San Francisco
Summertown
Phoenix
San Diego
Vienna
Brasov

Recently Funded Companies

Export
South San Francisco, United States

Chariot Defense is creating the advanced hardware and software framework to solve it.

$34.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Summertown, United Kingdom

Mind Foundry is an Oxford University company that has developed an AI platform to solve the world's most important problems.

$21.7M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Phoenix, United States

Ground swarm robotics for industry and defense.

$13.0M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

San Diego, United States

Seasats designs and manufactures small uncrewed surface vehicles (sUSVs) designed for monitoring, data collection, and defense applications.

$20.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Vienna, United States

Revenant Technologies bridging global defense technologies into U.S. markets through integration and onshore manufacturing.

$4.5M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Brasov, Romania

Autonomous Drones Systems for the Defense Sector

$7.6M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Perseus Defense produces counter-drone systems for the Department of Defense and homeland security.

$6.0M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Montgomery Village, United States

Fulcrum creates a more secure world through innovative and sustainable solutions.

$500K raised
Aug 2025

Founder Contacts

41,000+ verified contacts

San Diego, United States

Developing Low-Cost, Modular Unmanned Systems. Designed For Warfighters. Future-Proofed For Tomorrow.

$10.0M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Tempe, United States

Solestial exists to deliver abundant energy in space.

$17.0M raised
May 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

The Future Is Faster‚Ñ¢

$6.1M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Austin, United States

Aeon develops advanced capabilities at scale for maximum deterrence.

$12.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

San Diego, United States

Seasats: Effortless ocean data.

$9.1M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Tel Aviv, Israel

Dream Security is a cybersecurity company that provides critical infrastructure solutions.

$100.0M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Syracuse, United States

Hidden Level provides airspace monitoring and drone detection technologies for infrastructure and address national security threats.

$65.0M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Ra'anana, Israel

D-Fend Solutions offers counter-drone technology for safe, controlled responses to rogue drone incidents.

$31.0M raised
Dec 2024

Founder Contacts

41,000+ verified contacts

Liige, Belgium

Ai empowered Critical Communication Ecosystem. You Decide to Value Your Community: trading energy,security, transport

$387K raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Second Front Systems supports every step of gov&regulated network software deliverybuild, accredit, operate&extend missioneready apps.

$70.0M raised
Sep 2024

Founder Contacts

41,000+ verified contacts

Alexandria, United States

Parry Labs integrates digital systems, modernizes defense platforms, and accelerates military technology development.

$80.0M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Disruptive Industries (DI) is a technology company that builds threat detection systems.

$3.8M raised
Jun 2024

Founder Contacts

41,000+ verified contacts

New York, United States

ZeroMark is a defense product company building technology to ensure safety and precision when using kinetic and non lethal weapons.

$7.0M raised
May 2024

Founder Contacts

41,000+ verified contacts

Houston, United States

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

$275K raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Troy, United States

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

$250K raised
Jan 2024

Founder Contacts

41,000+ 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

41,000+ verified contacts

Nihombashi-hamacho, Japan

Axelspace is a commercial microsatellite developer and satellite imagery provider.

$43.5M raised
Dec 2023

Founder Contacts

41,000+ verified contacts

Showing 76 to 100 of 130 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 130 national security companies tracked in the VCBacked database.

Average Funding
$23.3M
Total Funding Tracked
$582.6M
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for National Security

1.San Diego
3 companies$39.1M
2.South San Francisco
1 companies$34.0M
3.Summertown
1 companies$21.7M
4.Phoenix
1 companies$13.0M
5.Vienna
1 companies$4.5M

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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130 National Security Startups (2026) — Recently Funded — Page 4 | VCBacked