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We have 88 technical centers, six of them in Spain, where we offer IT services to clients around the world

Our offices

These are our offices. Get to know us a little more!

Barcelona Office

SII Northest

Ciutat de la Justícia de Barcelona

Av. Carrilet, 3. Building D, 10th Floor, L’Hospitalet de Llobregat (08902), Barcelona
Phone: +34 93 567 97 10

Madrid Office

SII Center

Parque Empresarial La Finca

Paseo del Club Deportivo 1, Bl. 11 – 1º Left, Office 2
Pozuelo de Alarcón (28223), Madrid
Phone: +34 91 372 93 55

Palma Office

SII Balearics

Eusebio Estada St. 35, 1st Floor, Palma (07004), Illes Balears
Phone: + 34 90 219 83 25

Oficina WIO

SII Levante

Onofre Building

Parque Empresarial Táctica. Botiguers St., 3 – 4th, Office G, Paterna (46980), Valencia
Phone: +34 90 287 92 29

Mas Blau Office

SII Mas Blau

Polígon Industrial Mas Blau

Osona St., 2. 2nd Floor, Office D, El Prat de Llobregat (08820), Barcelona
Phone: +34 93 567 97 10

WIO office

SII L’Hospitalet

Riera dels Frares St., 24, L’Hospitalet de Llobregat (08907), Barcelona
Phone: +34 93 567 97 10

We have technical centers all over the world

Offices around the world
FRANCE
SPAIN
ARGENTINA
BELGIUM
CANADA
CHILE
COLOMBIA
CZECH REPUBLIC
GERMANY
HOLLAND
INDIA
MOROCCO
POLAND
ROMANIA
SWEDEN
SWITZERLAND
UKRAINE
UNITED KINGDOM

Learn more about us

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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