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National Security Startups

Updated August 2026

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

Explore 120 recently funded national security companies with verified founder contact information and fundraising data.

Total Companies
120
Total Funding
$1.0B
Avg Funding
$40.8M
Global Reach
6
countries

Top Cities for National Security

Austin
San Diego
Tel Aviv
Syracuse
Ra'anana
Liige

Recently Funded Companies

Export
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

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

41,000+ 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

41,000+ verified contacts

Oakland, United States

Zero Trust Data Protection Platform

$2.5M raised
Jun 2023

Founder Contacts

41,000+ 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

41,000+ verified contacts

Herzliya, Israel

NSO Group develops Cyber Intelligence tools for Governments use only

$100.0M raised
Jan 2023

Founder Contacts

41,000+ 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

41,000+ verified contacts

Arlington, United States

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

$10.0M raised
Jan 2026

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Montréal, Canada

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

Jan 2026

Founder Contacts

41,000+ 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

41,000+ verified contacts

Showing 76 to 100 of 120 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 120 national security companies tracked in the VCBacked database.

Average Funding
$40.8M
Total Funding Tracked
$1.0B
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for National Security

1.London
3 companies$4.4M
2.Austin
1 companies$12.0M
3.San Diego
1 companies$9.1M
4.Tel Aviv
1 companies$100.0M
5.Syracuse
1 companies$65.0M

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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