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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
$2.3B
Avg Funding
$90.1M
Global Reach
4
countries

Top Cities for National Security

Tampa
Auckland
Red Bank
Brooklyn
Washington
Saint Louis

Recently Funded Companies

Export
Tampa, United States

Detect-ION is a cutting-edge deep-tech startup that specializes in the development of sensors and systems for a variety of applications.

$1.1M raised
Apr 2024

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand

GRL platform creates governed AI, data, APIs, applications and AI agents in regulated industries eg banking, health, government.

$294K raised
Apr 2022

Founder Contacts

41,000+ verified contacts

Red Bank, United States

Patent-pending APIs for verification & real-time detection of fraud, spoofing, deepfakes, cyber attacks for any type of streaming media.

$200K raised
Apr 2023

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

Rapidly authorize and deploy proven cybersecurity solutions for Industrial Control Systems (ICS) / Operational Technology (OT)

Mar 2024

Founder Contacts

41,000+ verified contacts

Washington, United States

Rivet Industries delivers front line hardware and software to the world's most important workers.

$57.5M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Saint Louis, United States

Zero Trust, Blockchain as a Service, DLT, Developer Platform

$25K raised
Mar 2023

Founder Contacts

41,000+ verified contacts

San Diego, United States

Shield AI is a deep-tech company that focuses on developing AI-powered systems to enhance the safety of service members and civilians.

$2.0B raised
Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Daivin is an oxygen-generating equipment manufacturing company which helps humans breathe underwater without oxygen tanks.

Mar 2026

Founder Contacts

41,000+ verified contacts

North Hollywood, United States

The Adversarial Company is a defence tech company that offers security and public safety solutions.

$1.4M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Tucson, United States

World View is a stratospheric exploration company delivering remote sensing and space tourism from the stratosphere.

$10.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Bethesda, United States

Eniware develops a portable surgical instrument sterilization without electricity, heat or water.

$2.2M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Salt Lake City, United States

XRDNA builds Mission Fabric, enabling semantic interoperability and decentralized coordination across systems, AI, and space.

$750K raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Oxnard, United States

Swarm Aero is an aerospace and defense company that develops large-scale unmanned aerial vehicle (UAV) swarms for defense and missions.

$35.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Ball Ground, United States

NXT Communications develops flat panel antennas for broadband on the move.

$3.5M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

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

Showing 51 to 75 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
$90.1M
Total Funding Tracked
$2.3B
Countries Represented
4

Distribution by Funding Stage

Other25 companies

Top Cities for National Security

1.San Diego
3 companies$2.0B
2.San Francisco
2 companies$6.0M
3.Tampa
1 companies$1.1M
4.Auckland
1 companies$294K
5.Red Bank
1 companies$200K

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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120 National Security Startups (2026) — Recently Funded — Page 3 | VCBacked