Alternatives to RSI Europe

Developing scalable and affordable defense capabilities to counter mass-produced drones and strike munitions.

Developing tactical radar systems for the detection of small unmanned aerial systems (UAVs).

An Estonian DefenseTech startup developing affordable, mass-producible, AI-powered air defense missile systems.

Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers.

Directed energy weapons company building high-power microwave systems for counter-drone and swarm defense.

Electronic warfare startup building AI-enabled hardware and software for electromagnetic spectrum defense.

Global leader in advanced tactical networking and electromagnetic spectrum operations (EMSO).

Bringing institutional-grade intelligence to the defense and aerospace investment market.

A global leader in space and defense technology solutions.

DefenceTech startup focused on frontline drone autonomy.

Wire harness manufacturing startup combining proprietary design software with assembly-as-a-service for aerospace and defense.

Develops electrospray propulsion systems for satellites.

Air defense startup focused on mass-producing low-cost interceptors for drones and missiles.

Underwater communication technology for faster, more reliable data transmission.

Technology infrastructure and networking company providing enterprise solutions

Equipping ships with advanced sensor technology that surpasses current AIS capabilities.

Mission-critical end-to-end RF platform for space, defense, and secure communications.

AI-powered battlefield intelligence startup providing real-time 3D mapping and situational awareness for defense.

Arondite is a London-based defense technology company that develops foundational software and artificial intelligence to connect and coordinate disparate autonomous systems for defense and national security organizations.

Defense robotics company building autonomous precision weapon systems to counter drone threats.

Hadean provides a distributed computing platform for building and scaling complex simulations and virtual worlds.

Defense tech company manufacturing low-cost expendable drones, founded by professional drone racers.

Global aerospace and defense company producing business jets, combat vehicles, submarines, and IT services.

Defence and industrial technology company developing integrated platforms.

Drone operating system and software platform enabling autonomous robot and UAV fleet operations for defense.

A defense tech investor and builder backing and building defense, security, and resilience startups.

Wiliot provides self-powered IoT Pixels that bring connectivity and intelligence to everyday products.

Develops AI-powered, multi-domain unmanned aerial systems for defense and commercial applications.

AI agents for individual soldiers to control fleets of autonomous vehicles.

Specializes in advanced manufacturing with AI and robotics.

Modular autonomy platform for defense and industrial operations, built by former Uber/Aurora self-driving leaders.

Strengthening NATO resilience through domestic TNT production.

Venture capital fund investing in emerging technologies for defense and security.

Software-first manufacturing company building a distributed network of AI-powered precision factories for critical industries.

Provides software for space situational awareness and operations.

Defense startup building AI-enabled auto-aiming technology to turn standard rifles into counter-drone weapons.

Revolutionizing beekeeping with smart technology to enhance bee health and honey production.

Designs and manufactures spacecraft solutions for government and commercial customers.

Operating the world's only commercial fleet of flight-ready MACH 2+ supersonic aircraft for space launch.

Enabling scalable, low-cost space-to-Earth laser communications.

Designs, builds, and operates unmanned aerial systems (UAS) for logistics, civil protection, and defense.

Aerial robotics company focused on autonomous inspection robots.

EV charging hardware

A low-cost, credit-card-sized computer for learning to code and building projects.

Density provides hardware and software for measuring and optimizing physical space utilization.

Hypersonic aircraft manufacturer building high-Mach vehicles for national defense and rapid global transport.

Designs and manufactures advanced unmanned aerial systems (UAS) for defense and public safety.

Halo Collar develops and sells GPS-enabled smart collars for dogs, providing a wireless containment system, GPS tracking, and training.

AI-native platform for autonomous, coordinated multiship drone operations.

Specializes in plasma propulsion systems for spacecraft.

Developing fully and rapidly reusable rockets for low-cost, on-demand access to and from space.

Designs and manufactures advanced unmanned aerial vehicles and critical UAV components for government and commercial clients.

Empowering communities, governments, and businesses with real-time, hyper-local air quality data through IoT-based sensor systems and a Sensing-as-a-Service solution.

A secure, AI-native project management platform for classified defense and government multi-entity collaboration.

Developing large unmanned aerial vehicles and sophisticated swarm command and control software for defense.

Hypersonic travel startup developing rotating detonation rocket engines for Mach 9 passenger flight.

Building industrial hardware from the atoms up using AI.

Developing and deploying advanced autonomous drones for critical missions.