Terrasol is certificated by French organism OPQIBI (which issues qualification certificates to engineering services companies operating in construction, environment, ernergy and industrial process sectors) for the following activities (list in french):

01 - Customer assistance (AMO)

0103 : AMO en technique

10 - Earth-related techniques

1001 : Etude de projets courants en géotechnique

1002 : Etude de projets complexes en géotechnique

1003 : Etude en géologie

1005 : Etude en hydrogéologie

11 - Earthworking - Roads - Underground networks

1106 : Etude de confortement

12 - Construction - Structure - Fitting and finishing

1201 : Etude de fondations complexes