Staff members of Syzygy have carried out projects for the following clients:
- Major international institutions, including the World Bank, the FAO, the UNDP, the European Commission, the European Parliament, the Council of Europe, the European Bank for Reconstruction and Development, the Convention on Biological Diversity and the Union of International Associations
- National and local governments in over 30 countries in Europe, Asia and Africa
- Environmental organisations: IUCN - the World Conservation Union, WWF, GLOBE Europe, Society for Nature and Environment (the Netherlands), Ecosystem Conservation Society (Japan) and Welt Hunger Hilfe (Germany)
- Research institutes in Europe, Asia and Africa
- Universities, research institutes and training organisations in Europe, North America, Asia and Africa
- Resource management agencies in over 20 countries
- Private foundations in Europe and North America
- Development aid agencies, including USAID
- Private foundations in Europe and North America