TESSAI is inscribed as a Certified Electrical Installing Company, with business card E-151-F, with Document of Business Certification MU-805, given by the General Management of Industry, Energy and Mines of the Region of Murcia (Spain).
Medium Voltage Electricity Maintainer Company certificate: EME-MT-RE/MU-44 and Low Voltage Electricity Maintainer Company certificate: EME-BT-RE/MU-109, being allowed to make contracts of the maintenance of Medium/Low Voltage Installations, as well as certificates of inspection of Medium/Low Voltage Electrical Installations.

Quality politics.

We have the quality manual for the application of the norm ISO 9001.