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Critical Software

Coimbra, Portugal

Air SystemsDefense Software & AI
Software Developer, System Integrator
Profile last updated: May 10, 2026

About

Critical Software is a defense software developer based in Coimbra, Portugal working in air systems, defense software & ai.

Critical Software is a Portuguese company that builds mission-critical software and systems for aviation, defence, energy, railway and space industries, with more than 25 years of experience. Its aerospace and defence work covers safety-critical avionics software for civil and military programmes, embedded development, verification and validation, RAMS and certification support, integrated electronic systems, and ground-based aviation systems. The company participates in defence industry events, including the Sea-Air-Space Expo and the PT-US Defense Industry Days in Washington, D.C. It also operates through joint ventures: Critical FlyTech with Airbus, focused on avionics, cabin systems and aerospace connectivity, and Critical TechWorks with the BMW Group, focused on automotive software. Its wider offering includes AI and data science, cybersecurity, and software for medical robotics and other industries. It has offices in Portugal and other locations, including Pittsburgh, USA, after acquiring IQ Inc.

Location

Coimbra, Portugal

Focus areas

avionics softwareDO-178CDO-254ARP-4754AARP-4761aerospace certificationdefence and securityHUMSSea-Air-Space Expoembedded softwareAirbus joint venture

Languages

ENPT

Products & capabilities

Defense domains

Air SystemsDefense Software & AI

Supply-chain role

Software DeveloperSystem Integrator

What they offer

SoftwareEngineering Services

Products

Ground-based Health and Usage Monitoring System

HUMS ground software

Software-based ground tools for analysing captured sensor and flight data from helicopter health and usage monitoring systems, used for military and civilian applications to improve operational performance and reduce maintenance downtime. Developed for the AW101 helicopter.

Standards, platforms & customers

Platforms & programmes

AW101

Named customers

Airbus

Other defense companies in Portugal

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