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About the Group

3S Group  with its seat in Katowice has been present in the telecommunication sector since the year 2002. 3S has its own fiber-optic network with the length of nearly 3500 km and the Data Center Cluster. By using the synergy effects, 3S Group provides comprehensive telecommunication and data center solutions for business customers. 

The Group includes:

3S S.A.

3S Data Center S.A.


3S Fibertech S.A.

3S S.A. builds and provides access to the fiber-optic infrastructure and provides telecommunication services. 3S Data Center S.A. provides computerised services based on our own data centers in Katowice. 3S BOX S.A. is responsible for activating and functioning of data centers in Warsaw. 3S Fibertech is a telecommunication operator which has a fiber-optic network and a base of several hundreds of business customers in Cracow. 

3S S.A. Quality Certificate

3S S.A. holds a quality certificate for the Management System in accordance with  EN ISO 9001 2009. An independent certifying unit was TÜV NORD Polska Sp. z o. o.




3S Data Center S.A. Quality Certificate

3S Data Center S.A. holds a certificate confirming the fulfilment of the requirements of the quality management system standard ISO 9001 2008. An independent certifying unit was DNV GL.