DROPSTONE Advisory Services
About us
Services
Hydrogeology, Geology & Geothermal Energy
Humanitarian Affairs & Development
Project Evaluation & Studies
Institutional Strategy, Support & Governance
Mediation for Peace
Information Management
Projects
Where we work
Contact us
Contact Us
You are most welcome to contact us
Drop us a line
[email protected]
Rue Hugo-de-Senger 3
CH-1205 Geneva
