DROPSTONE Advisory Services
About us
Switzerland
Applied hydrogeology and groundwater management
Geothermal energy and the energy transition
Exploration geophysics
Information Management
Support to environmental authorities
International
Where we work
Humanitarian Affairs & Development
Project Evaluation & Studies
Institutional Strategy, Support & Governance
Projects
Contact us
Where we work
Advisory support in 28 countries since 2013
Select a Country
Central African Republic
Chad
Congo (Democratic Republic)
Ecuador
Global
Greece
Haiti
Mali
Mauritania
Nepal
Niger
Nigeria
Pakistan
Senegal
South Sudan
Tajikistan
Tunisia