Annual Reports
GSO issues its annual reports at the end of each calendar year.
GSO e-Services
Standards Store
Buy GSO Standards and Technical Regulations, Pay online and immediately download your watermarked copy in PDF format. Read More +
Conformity Certificates Authentication
Motor Vehicles, Motorcycles and Tyres Manufacturers can create their profile and declare their product technical details and test reports for attestation from our engineers. Read More +
GSO Conformity Tracking System
Browse and Search our database of products bearing the G-Mark and the GSO Conformity Tracking Symbol (GCTS), registered by our notified bodies who certified their conformity with the G-Mark requirements. Read More +
Information Sources
GSO develops a set of information bases and knowledge platforms that serve standardization activities and help specialists make the right decisions. Read More +