Defense Tech Startups

Alereon designs and manufactures ultrawideband (UWB) chipsets, modules, reference designs, and custom hardware and software to add short-range, high-speed wireless connectivity to products. It serves consumer electronics, medical, and military customers, and is the official provider of the government's Intra-Soldier Wireless (ISW) solution.

1 investor

Gooch & Housego is a publicly listed company (AIM: GHH) that designs and manufactures photonics products and capabilities, serving a range of markets which it diversifies into to create value. It is based in Somerset, England.

1 investor

Align Aerospace supplies aerospace components, materials, and logistics services to aircraft and engine manufacturers and their subcontractors. The company optimizes supply chain operations through warehousing, kitting, direct line feed, and third-party logistics across global distribution platforms in the Americas, Europe, and Asia.

1 investor

ALKU is a staffing and consulting firm that runs a corporate giving-back program focused on youth mentoring and community outreach, primarily in Massachusetts. Through partnerships with organizations like Mass Mentoring Partnership and BEST Kids, plus the ALKU Foundation, it funds scholarships, grants, and volunteering initiatives.

1 investor

ALL.SPACE develops satellite communication terminals and software that enable simultaneous connections to multiple military and commercial satellite networks. The company serves defense forces and government agencies requiring resilient, multi-network communications capabilities in austere environments.

1 investor

Allison Transmission designs and manufactures commercial-duty propulsion solutions for trucks and commercial vehicles to enhance operational efficiency. The company serves global commercial vehicle customers and operates manufacturing and engineering facilities across multiple continents.

1 investor

AllSeeing develops electromagnetic detection technologies including radar, lidar, and sonar solutions for defense, aerospace, and environmental applications. The company integrates radio, optic, and acoustic technologies to enable detection through physical barriers and challenging conditions.

1 investor

Altus provides fire alarm systems, sprinkler services, fire suppression equipment, fire extinguishers, and life safety solutions for building safety and emergency response.

1 investor

AM General is an automotive manufacturer whose leadership page presents an experienced management team focused on vehicle development and production. The company emphasizes automotive innovation and a long operating heritage.

1 investor

Amber Group is a diversified B2B manufacturer operating across consumer durables (HVAC solutions), electronics (PCB and PCB assembly), and railway subsystems with defense applications. The company serves multinational corporations and Indian durable goods companies, with manufacturing facilities in India and Israel.

1 investor

Amca manufactures critical components—such as sensors and bearings—for aerospace, defense, and industrial systems, aiming to expand supplier competition and production capacity across the U.S. industrial base. It serves defense and infrastructure sectors facing fragile, single-source supply chains for aging critical parts.

1 investor

A compact, standalone security unit designed for unattended sites that provides tamper-proof housing and battery backup power for emergency situations.

1 investor

American Aerospace Technologies (AATI) builds high-endurance unmanned aircraft systems and airborne sensing solutions, including its AiRanger medium-altitude, long-endurance UAS, and flies beyond-visual-line-of-sight missions in the national airspace. It serves defense, homeland security, and critical infrastructure sectors with services such as pipeline patrol, sensor integration, and UAS policy development across North America and Western Europe.

1 investor

American Robotics builds autonomous drone systems, including gas-powered long linear UAVs, drone-in-a-box solutions, counter-UAS, and small tactical UAVs, for automated aerial data collection. It serves government, public safety, and critical infrastructure customers, offering hardware plus operational services such as mission planning, flight operations, and BVLOS waiver management.

1 investor

American Pacific Corporation manufactures specialty chemicals and materials for industrial customers. The company operates as part of NewMarket Corporation and emphasizes quality, safety, and community engagement in its operations.

1 investor

AMTech Group provides engineering services including aircraft modification and repair design with regulatory design approvals (Transport Canada, FAA, EASA), defence systems prototyping and integration specializing in military engineering, autonomous vehicles and chemical/biological defence, and automation work such as PLC/SCADA and HVAC building control systems. It serves aerospace and defence clients along with industrial automation projects.

1 investor

Analytical AI develops artificial intelligence and machine learning solutions, including computer vision and threat detection systems, for U.S. federal agencies such as the Department of Homeland Security and the Department of Defense. The company focuses on security and threat detection applications built on high-performance computing and deep learning.

1 investor

Anokiwave is a fabless semiconductor company that designs highly integrated millimeter-wave silicon ICs used to build phased array active antennas. Its products serve 5G, SATCOM, and defense and aerospace markets, and the company was acquired by Qorvo in 2024.

1 investor

AnomalySix provides global location data analytics and data-as-a-service solutions for national security, law enforcement, and market research customers. The platform processes billions of daily observations through turnkey tools and APIs that enable search, visualization, and pattern-of-life analysis at scale.

1 investor

Apex Sentinel is an Australian risk management firm focused on protecting sovereign capability from foreign interference, malign competitor behaviour, and transnational organised crime. It serves clients seeking to safeguard operations that are important to Australia.

1 investor

Apogee Semiconductors manufactures radiation-hardened semiconductor components including flip-flops, latches, and shift registers designed for space and defense systems. The company serves mission-critical applications requiring extreme environment reliability.

1 investor

Apollo Minerva is a defense technology company that builds battlefield management software, with a flagship platform called PERSES that lets soldiers coordinate targeting, intelligence gathering, and logistics via a tablet interface. It targets allied and partner military forces, aiming to reduce training time and integrate with existing weapons, networks, and doctrine.

1 investor

Applied Mind Inc. develops wireless sensor technology, including its Hyperion software-defined radio (SDR) sensors and applications, for the security and public safety sector. The company is based in Canada.

1 investor

Apposite Technologies develops network emulation and traffic generation tools that allow enterprises, government agencies, and telecom providers to test application and network performance under real-world conditions before deployment. The company serves customers across defense, finance, healthcare, media, and education sectors in over 40 countries.

1 investor