Last Update June 7, 2023


  • C4I, Communication Systems
  • Electrical, Electronics & Electro-optics
  • IT, Computing and Software
  • Services (R&D, training, engineering, consultancy, …)

MULTICERT S.A., is a company broadly connected to the new information and communication technologies, focused in electronic certification and electronic communication/transaction security. The company begun its activity in 2002 having CTT, SIBS, INCM and PT as stockholders.

The company's main commercial activities are: full development of security projects, like the Electronic Vote, Electronic PostMark (MDDE), Electronic Invoice, Portuguese Citizen Card and the Portuguese Electronic Passport, PKI Systems for Enterprise and Government, issuance of digital certificates (to individuals, web server, code signing, and others).

The company is a member of ANETIE (Associacao Nacional das Empresas das Tecnologias de Informacao e Electronica) and Alianca Digital.

Quality Certificates

NATO Secret
ISO 27001

MULTICERT Servicos de Certificacao Electronica SA

  • Lagoas Park, Edifício 3, Piso 3 2740-266 Porto Salvo – Oeiras, Lisboa, Portugal
  • +351 217 123 010
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