Rui Pedro Bairrada Murtinho

Critical Links SA provides information technology services. It offers solutions to aerospace, energy, health-care, and telecom sectors. The company was founded by João Fernando Viegas Carreira in 2006 and is headquartered in Coimbra, Portugal.

Critical Ventures - Sociedade de Capital de Risco SA (Critical Ventures) is the venture capital subsidiary of Critical SGPS Lda. It was founded in 2009 and is headquartered in Coimbra, Portugal.

Critical Manufacturing SA develops software of manufacturing execution systems. It offers integration and networking of machines and systems, IT systems, and cloud solutions. The company was founded by Adélio Marco da Costa Fernandes, Lau Yong Wun, João Rafael Ribeiro Cortez, Teresa Isabel de Jesus Carreiro, Francisco Sobrinho Simões de Almada Lobo and Reiner Joachim Missale on March 11, 2009 and is headquartered in Maia, Portugal.

Stratosphere develops solutions and products in the field of advanced materials for critical applications. It offers applications for the industries such as aeronautics, space, automotive, energy and manufacturing. It provides references with Boeing, Lockheed Martin, ESA, Simoldes, Plasfil, PSA, AutoEuropa and AMTROL ALFA. The company was founded by Júlio C. Viana and Gustavo R. Dias in 1998 and is headquartered in Guimarães, Portugal.

Retmarker SA provides ophthalmology-specific software solutions for clinical decision support and electronic medical record. Its products include RetmarkerC, deals with the process of automatically co-registering (overlapping) different images and RetmarkerAMD Research automatically counts lesions (in number and area) by lesion type and location (sub-field). The company was founded by Diamantino Costa, Manuel Goncalo Lopes de Almeida Quadros and Ricardo Cunha-Vaz in 2008 and is headquartered in Coimbra, Portugal.

Critical Software SA develops and provides operations support software solutions. It serves clients from the aerospace, defense, transportation, telecommunications, energy, healthcare, and finance industries. The firm offers solutions for business intelligence, data security, energy management, network administration, application development, infrastructure auditing, and systems migration. The company was founded by Gonçalo Quadros and Diamantino Costa in 1998 and is headquartered in Coimbra, Portugal.