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DROPSTONE Advisory Services
About us
Switzerland
Applied hydrogeology and groundwater management
Geothermal energy and the energy transition
Exploration geophysics
Support to environmental authorities
International
Where we work
Humanitarian Affairs & Development
Water, Sanitation and Hygiene
Infrastructure Rehabilitation
Mediation for Peace
Project Evaluation & Studies
Institutional Strategies & Governance
Information Management
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
