Dobbin International has served a variety of clients, including bilateral and multilateral international development institutions, international conservation organizations, federal and state agencies, and private sector clients. Specifically, the firm has worked for the following groups:

International Financial Institutions (IFIs): IFIs including: The World Bank (IBRB), International Finance Corporation (IFC), European Investment Bank (EIB), Inter-American Development Bank (IDB), Asian Development Bank (ADB), United Nations Environment Programme (UNEP), United Nations Development Programme (UNDP), United Nations Industrial Development Organization (UNIDO), USAID and CIDA Inc.