Passion for Technology

We face digital transformation and innovation challenges

We are Great Place To Work

SII Concatel has been certified as a “Great Place to Work”, a recognition granted by Great Place to Work® consulting firm, leader in the identification and certification of Excellent Places to Work nationally and internationally. Thus, this 2022 we have been officially certified as an organization with high trust culture, capable of attracting and retaining talent.

Our employees have made it possible for us to obtain this recognition, because they are the ones who have evaluated us as a Great Place to Work.

IT services and solutions

We are experts in engineering, IT consulting, software development, and support, communications and infrastructure services.

IT Consulting
Enterprise Software
Our Products
Software Development & Maintenance
Testing & Quality Assurance
Communications & IT Infrastructure
Service Desk & User Support

SII Group








Years of experience


Million € income

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See what’s happening at SII Concatel!

SII Concatel at Diada TICWhat´s new
24 de November de 2022

SII Concatel participates and sponsors the Diada TIC 2022

SII Concatel sponsors, for the fifth consecutive year, the Diada TIC, focused this year on "Metaverse and new realities". In addition, we have actively participated…
SII group growthWhat´s new
15 de November de 2022

SII Group consolidates its upward trend and growth targets

SII Group maintains the positive dynamics of recent years and, in the first half of fiscal year 2022/2023, continues to strengthen with a growth of…
SII Concatel realiza Speed Dating con estudiantes del Campus 42 de TelefónicaWhat´s new
7 de November de 2022

SII Concatel holds a Speed Dating session with students from Telefónica Campus 42

SII Concatel participates in a rapid interview workshop with students of the educational project Campus 42 of the Telefónica Foundation.

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Main certifications

We drive innovation in companies around the world

Many already trust us

Some of our customers

We are #EcovadisPlatinum

ecovadis platinum
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