Proef Engineering

Certifications/Qualifications


Proef Engineering is driven in accordance with the Integrated Management System (IMS). Some of its companies are in compliance with the NP EN ISO 9001, NP EN ISO 14001 and OHSAS 18001. These management tools are of the essence to ensure process compliance with current legislation and best practices.



In Portugal,Proef Engineering holds five Qualifications:
  • REN Qualification: Rede Elétrica Nacional S.A., in the Category Supply of Materials and Provision of Services for the installation of Very High Voltage Aerial Power Lines;
  • REN Qualification: Rede Elétrica Nacional S.A., in the Category General Electrical Installations;
  • REN Gas Pipeline Qualification: Exploration and Maintenance of Transformer Stations, and Power Generators Rental and Transport; 
  • EDP Qualification: Distribuição S.A., for the Distribution Network’s Electrical Infrastructure;
  • EDP Qualification: Distribuição S.A., for the Electromechanical and Construction of Substations’ Infrastructures.