Site visits by GiveWell staff:
- August 2019: Malaria Consortium in Burkina Faso.
- October 2017: Helen Keller International (HKI) and Sightsavers in Guinea.
- September 2017: Evidence Action's No Lean Season in Bangladesh
- January and February 2017: The End Fund and Zusha! in Rwanda, Democratic Republic of Congo, and Kenya
- August 2016: Against Malaria Foundation (AMF) and Sightsavers, in Ghana
- July 2015: Global Alliance for Improved Nutrition (GAIN) in Ethiopia
- October 2014: Living Goods and GiveDirectly in Uganda and Development Media International in Burkina Faso
- October 2013: Deworm the World Initiative, led by Evidence Action, in India
- November 2012: GiveDirectly and Innovations for Poverty Action (IPA) in Kenya
- October 2011: Malawi and India
- August to November 2010: 18 charities in India
- February 2010: The Small Enterprise Foundation (South Africa) and VillageReach (Mozambique)
Site visits by other organizations in partnership with GiveWell: