Critical Software is a Portugal Software company that provides solutions, services, and technologies for mission and business critical information systems. Critical Software supports customers across several markets including telecom, public sector, industry, aerospace, and defense.

The company was founded in 1998 in Coimbra, Portugal and employs around 100 people, in offices in Coimbra and Lisbon (Portugal), San Jose, California, California (USA) and London (UK). It has had a solid track record of on-time and on-budget projects and has successfully released technologies and products worldwide in specific niche markets such as dependability and high-performance computing.

Growth has been continuous and sustained through the years, and since it was founded in 1998. In 2003, the company turnover was 3,5 M, with over 70% corresponding to international markets (EBIT was 16% and EBITDA 23%). The company turnover in 2004 was 4,5M (EBIT was 17% and EBITDA 23%).

Its customers include Siemens AG, NASA, Portucel Soporcel, ESA, Vodafone, Eumetsat, EADS, Astrium, ChevronTexaco, Deutsche Telekom, Westland Aircraft, among many others renowned in Europe and the USA.

The company operates a quality system accredited to .

=External links=