For more than 40 years, at SII we have been responding to all types of industries and sectors through IT services and solutions. We offer a comprehensive value proposition to face digital transformation and innovation challenges.

At SII we work every day to attract and retain the best talent and the best people. People who also share our vision of the world and feel aligned with our values and our philosophy.


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Why SII?
We are #ITWorldChangers
- Reliable and committed IT provider
- Quality IT Services and Solutions
- Hundreds of satisfied national and international clients
- Thousands of engineers around the world
- Main Certifications: ISO 20.000, ISO 45001, ISO 27001, ISO 14001, ISO 9001
- Own methodology: Hypercube
- Experts in agile methodologies
- Competitive prices in Spain
- High responsiveness
- Time-to-Market
- Sustainable Commitment: Ecovadis Platinum Certification
Learn more about us
Look what's happening at SII!
SII Concatel again passes the audit for the main international IT Service Management certification (ISO 20,000)
Last December, SII Concatel carried out the audit for the renewal of the ISO 20,000 Certification, the internationally recognized standard in IT Service Management (Information Technology). It is the first IT service management system certifiable under a globally recognized standard.
The SII Group experiences a first half-year 2020-2021 sustained by the resilience of international activities
The SII Group’s revenues have experienced an incipient recovery in a period in which foreign revenues have represented 53% of the total. Good news for the company which, with these figures, has confirmed its forecasts for a gradual recovery in activity.
SII Group received the “2020 supplier Award in competitiveness” from Thales Group
As the leading strategic software and system Engineering Partner of Thales Group, SII received the “2020 supplier Award in competitiveness category” from Thales at the Thales Digital Supplier Conference on December 15th 2020.