IAEG co-operates with international scientific organisations in the field of Geosciences and Geoengineering :

• IUGS and COGEOENVIRONMENT
• Association of Engineering Geologists (AEG)
• International Association of Hydrogeologists (IAH)
• International Society for Rock Mechanics (ISRM)
• International Society for Soils Mechanics and Geotechnical Engineering (ISSMGE)
• International Tunnelling Association (ITA) - and others
• Joint Technical Committee 1 IAEG-ISRM-ISSMGE -Committee on Landslides and Engineered Slopes  
• Joint European Working Group - IAEG-ISRM-ISSMGE - Professional tasks, responsibilities and cooperation in ground engineering
• Joint Task Force - IAEG-ISRM-ISSMGE - Federation of International geo-engineering societies