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

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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.

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Our DNA

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.

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Our DNA

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.

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Proud to work with…

Logo cliente Adif
Logo cliente Airpharm
Logo del cliente Assistència Sanitária
Logo del cliente BBVA
Logo del cliente Cocoon
Logo cliente Fujitsu
Logo Cliente Generalitat de Catalunya
Logo cliente Grifols
Logo del cliente Grupo Planeta
Logo del cliente Grupo Santander
Logo del cliente Kalibrate
Logo del cliente Orange
Logo cliente Puig
Logo del cliente TecnoTramit
Logo del cliente Telefonica
Logo del cliente Veepee
Logo del cliente Volkswagen
Logo del cliente Vueling

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

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Look what’s happening at SII!

What´s new
10 de January de 2022

SII Concatel, certified again in IT Quality by ISO 20.000

Recently, SII Concatel has undergone the audit for the renewal of the ISO 20,000 Certification, the internationally recognized standard in IT service management (Information Technologies).…
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sponsors ict project and ctecno sii concatel logoWhat´s new
21 de December de 2021

SII Concatel joins Apadrina TIC and contributes to fostering the talent that will lead the technological ecosystem in the future

SII Concatel has participated, for the second consecutive year, in Apadrina TIC, a scholarship program aimed at helping undergraduate students in the field of information…
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What´s new
5 de November de 2021

Joan Carrillo, from anywhere in an hyperconnected world, moderates the round table “IOT: key to understanding innovation”

On November 3 and 4, a new edition of Day of Information and Communication Technology (ICT) took place organized by GrausTIC. This focused firstly on…
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