FOSSA Systems

FOSSA Systems

FOSSA Systems S.L.

Las Rozas de Madrid, Madrid, Spain

SpaceCommunications & SATCOMC4ISRDual-use
System Integrator
Profile last updated: August 15, 2026

About

FOSSA Systems is a defense system integrator based in Las Rozas de Madrid, Spain working in space, communications & satcom, c4isr.

FOSSA Systems is a space company headquartered in Madrid, Spain, with an office in Portugal. It designs and develops satellite platforms, software, payloads, ground stations and deployers, with a focus on satellite IoT connectivity. Its nanosatellite and microsatellite platforms, including the FOSSASat 3U and 6U, support secure IoT and RF payloads such as SIGINT and ELINT, and can be adapted to other missions including Earth observation and remote sensing. The company offers dedicated constellations and turnkey space missions for commercial, governmental and national security customers, and states it covers a national security and defence sector.

Location

Las Rozas de Madrid, Spain

Company type

Limited company

Legal name

FOSSA Systems S.L.

Focus areas

satellite IoTnanosatelliteSIGINTELINTEarth observationspace infrastructureLoRaground station

Languages

EN

Products & capabilities

Defense domains

SpaceCommunications & SATCOMC4ISR

Supply-chain role

System Integrator

What they offer

HardwareSoftwareEngineering Services

Markets

Also sells to civilian markets

Products

FOSSASat 3U

Nanosatellite

Nanosatellite providing secure IoT communications from low Earth orbit.

FOSSASat 6U

Modular satellite platform

Modular, scalable platform building on the 3U, optimised for secure IoT and RF payloads including SIGINT, adaptable to other mission types.

FOSSA Nexus

IoT gateway

Gateway that sends asset data from on-ground devices to the satellite network.

Other defense companies in Spain

View all