The Management of Technical Office TES is aware of the commitment to its clients by hiring a service and be the depository of his confidence and it has involved the entire organization.

To achieve full customer satisfaction and ensuring quality of work, since September 2004,Technical Office TES has an the Integrated Management System of the Quality and Environmental certified according to ISO 9001/2000 and ISO 14001/2004.

Since July 2010, has joined the Occupational Risk Management in the Integrated System, obtaining OHSAS-18001 certification.