In August 2003, GEG obtained the ISO 9001 QMS certification in the Conception and Development of Civil Engineering and Geology Projects Design.

In 2006, the certification scope was expanded, including Project Management and HSE at the design stage.

The year 2012 marked GEG`s investment reinforcement in the certification of its Management System. In July the certification was widened to HSE System Management and Environmental Management System in the Conception and Development of Civil Engineering and Geology Projects Design, Project Management and HSE at the Project Design stage, according to OHSAS 18001: 2007 / NP 4397: 2008 and NP EN ISO 14001: 2004, respectively.

Still in 2012, in August, GEG accomplished the certification of its Research, Development and Innovation Management System certified in the scope of Conception and Development of Civil Engineering and Geology Project Design, according to NP 4457: 2007.