The SEO is a member of:

  • EVALNET (Evaluation network of the OECD DAC)
  • Evaluation of development programmes OECD
  • EUHES (network of evaluators of the EU Member States)
  • DACH group (network of German language evaluators)
  • SWEP (Wallonia Evaluation and Foresight Society)
  • VEP (Vlaams EvaluatiePlatform)

It also follows the work of NONIE (Network of Networks on Impact Evaluation) and the European Evaluation Society (EES).