We are SII

With more than 10,000 professionals who are experts in IT and engineering, at SII we face day-to-day digital transformation and innovation challenges together with our clients

Our IT Services offer

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.


We are a united team that has a common goal: to build a scenario where quality, innovation, experience, effort, teamwork and proactivity are a daily constant.


Our main added value: people

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.

Proud to work with…

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!

What´s new
10 de June de 2022

SII Concatel becomes an Oracle Cloud Service Track Partner

Oracle has rewarded the work and extensive experience of SII Concatel, granting us the category of Cloud Service Track Partner in 2022.
What´s new
19 de May de 2022

SII Concatel consolidates the growing trend with an annual growth of 27.9% during fiscal year 2021/2022

The positive dynamics of the SII Groupe has finally resulted in an annual growth of 27%. That number is well above the general growth of…
What´s new
10 de May de 2022

SII Concatel uses Rise with SAP and wants to come along with his clients to make intelligent companies

This solution configures a pack of SAP solutions focused on providing business transformation services to companies, allowing them to redefine the strategy towards the intelligent…
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