Defense Tech Startups

Privoro develops phone-independent hardware and solutions that protect smartphones and their data from tracking and hacking, serving corporate and government/Federal clients. The company operates in the mobile security and privacy space.

2 investors

Project Q builds Hydris, an Apache 2.0 open-core control plane that integrates heterogeneous sensors, systems, and effectors across air, land, sea, and space into a single taskable picture and exports to any battle management or C2 system. It also offers a UGS Mission Kit for early warning of RF-silent threats, serving defense and sovereign military operations.

2 investors

Pterodynamics develops the Transwing, an aircraft designed to support businesses seeking to reduce their operational environmental impact. The company targets sustainability-focused enterprises in the aerospace and transportation sectors.

2 investors

Purple Rhombus designs and manufactures uncrewed aerial systems (UAS) using standard U.S. sheet-metal manufacturing processes for rapid, industrial-scale production. The company serves military and defense customers requiring affordable, production-ready systems for warfighting applications.

2 investors

Quadsat develops modular radio-frequency sensing and electronic warfare payloads (such as SpectraLoc) that integrate into UAV platforms for RF signal detection and emitter geolocation, along with spectrum operations software. It serves defense forces and drone OEMs, drawing on a background in drone-based satellite antenna calibration; the company is based in Denmark.

2 investors

QuantX develops quantum sensing instruments and precision timing systems for defense, space, and critical infrastructure applications where conventional technology fails. Products include ultra-stable frequency oscillators, compact optical atomic clocks, quantum magnetometers, and synchronization systems for GPS-denied and contested environments.

2 investors

Raft provides software infrastructure for modern military operations and defense applications. The company builds foundational software systems to support command and control, autonomy, and decision-making capabilities in military contexts.

2 investors

RBC Bearings is an international manufacturer and marketer of engineered precision bearings and related products, serving industrial, aerospace, and defense customers. Founded in 1919, it operates manufacturing and distribution facilities across the US, Mexico, France, Germany, Poland, and China, and offers a B2B ordering portal for customers.

2 investors

Redwire develops aerospace infrastructure, autonomous systems, and multi-domain defense technologies for space and air operations. The company serves government and commercial customers requiring innovative space, air, and spectrum technology solutions.

2 investors

Re:Build Manufacturing operates a network of specialized manufacturing facilities across the United States, providing design, engineering, prototyping, and production services for embedded systems, composites, chemical processes, and medical consumables. The company supports product development at scale with over 1,200 technical experts and advanced manufacturing capacity.

2 investors

Reaction Dynamics develops the Aurora rocket using a patented hybrid rocket engine to provide dedicated, cost-effective launches for small-satellite operators into Low Earth Orbit. Based in Canada, it aims to establish sovereign Canadian launch capability, with suborbital and orbital launches planned for 2026 and 2028.

2 investors

Rebel Space Tech develops spectrum intelligence software that monitors, detects, and classifies RF interference and electronic warfare threats targeting satellite and teleport operators. The platform serves space operators, government/defense agencies, and research institutions operating in contested electromagnetic environments.

2 investors

REDLattice is a U.S.-owned defense technology company that develops cyber solutions and tools for the intelligence community, law enforcement, and military organizations. The company provides digital access capabilities, vulnerability identification, and offensive cyber operations tailored for classified and high-risk environments.

2 investors

Reflex Aerospace manufactures rapid-delivery, customizable satellite platforms for commercial and government missions, leveraging advanced manufacturing techniques to reduce development timelines. The company serves mission operators and payload integrators globally with ESPA-class, ITAR-free satellite solutions capable of supporting complex payloads.

2 investors

A space technology company developing advanced propulsion and space systems. The company is led by experienced aerospace and defense professionals and advised by former government officials and leading space researchers.

2 investors

Rohirrim builds generative AI software that automates RFP responses and proposal writing for government contractors and enterprises.

2 investors

Root Access designs and manufactures American-made electronic components for drones and autonomous robots, including perception sensors (cameras, LiDAR, depth), navigation modules (GPS, IMUs, time-of-flight), and communication modules (Wi-Fi, Bluetooth, RF). The company focuses on reshoring the design and manufacturing of critical, NDAA-compliant electronics in New York, USA.

2 investors

Saab is a global defense and aerospace company that develops and sells solutions to governments and defense organizations across over 100 countries.

2 investors

SandGrain develops CyberRock, a post-quantum-resilient authentication platform designed for aerospace and defense applications in Europe and NATO member states.

2 investors

Sandtable builds an AI-enabled planning and simulation platform for military operations, generating synthetic operating environments and courses of action to support command decisions and remote rehearsals. It serves defense forces and Servicemembers, combining AI with human judgment for mission planning, collaboration, and rehearsal.

2 investors

SARsatX is an Earth observation and satellite manufacturer that designs and builds small satellites and delivers radar and optical satellite imagery to governments, organizations, and businesses. The company focuses on the Middle East and Africa region, providing high-resolution imagery and data-driven insights for defense, security, infrastructure, and environmental monitoring applications.

2 investors

Scaleout provides federated and edge AI infrastructure that runs the full model training loop on devices in the field, so models improve on local conditions without raw data leaving the site. It serves defence and industrial customers, including European defence programmes and NATO initiatives, for applications such as computer vision for counter-UAS and ISR.

2 investors

Scout.vc presents a team page featuring Tim Kopra, a former NASA astronaut and executive with leadership roles across space and technology companies. The page content focuses on an individual's biography rather than describing a company's products or services.

2 investors

Seagate Space provides orbital launch services from mobile offshore maritime platforms, offering an alternative to land-based launch ranges. It serves the aerospace, defense, and space launch industry with patent-pending offshore platform designs aimed at increasing launch cadence and reducing weather and community-related constraints.

2 investors