About  SQA

SQA is an independent, global consultancy practice, with a commitment to deliver high quality outcomes through audit and advisory services focused on the cost estimation and management in Construction, Infrastructures and facilities, since 1993.

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Sterling Quest Associates provides clients with international experience of 18 years in key sectors of the economy, whether public or private. That’s more than 200 customers who have requested expertise to ensure the success of their projects.


Airport of Marseille

Prisons of Valence, Beauvais and Riom

Hadrontherapy – Archade Project

SEGRO – Technical due diligence

Western Front Interpretive Centre

Grenoble’s University – Technical Due Diligences consultation

Carpe Diem Tower – Paris La Défense