ΕΕΑΕ has a large number of partnerships with national and international bodies. 

ΕΕΑΕ participates in intercomparisons exercises, which are organized by international oganizations and scientific networks. Systematically, EEAE participates in the intercomparisons organized by the following bodies:

• World Health Organization 
• ΑLMERA - International Atomic Energy Agency 
• PROCORAD (Association for the Promotion of Quality Controls in Radiotoxicological bioassay)
• BfS (Bundesamt für Strahlenschutz)
• European Commission 

In the framework of the environmental radioactivity monitoring and in accordance with the national emergency response plans, EEAE is assisted by a network of cooperating laboratories:

• NCSR "Demokritos", Institute of Nuclear Technology & Radiation Protection, Environmental Radioactivity Laboratory
• National Technical University of Athens, School of Mechanical Engineering, Nuclear Engineering Department
• Aristotle University of Thessaloniki, Faculty of Engineering, Department of Electrical and Computer Engineering, Nuclear Technology Laboratory
• Aristotle University of Thessaloniki, Physics Department, Nuclear Physics and Elementary Particle Physics Division
• University of Ioannina, Department of Physics, Nuclear Physics Laboratory
• University of Ioannina, Medical School, Medical Physics Laboratory
• Demokritos University of Thrace, Department of Electrical and Computer Engineering, Nuclear Technology Laboratory
• Technical University of Crete, Sciences Department, Analytical and Environmental Chemistry Laboratory
• Foundation for Research and Technology, Radioactivity Measurements Laboratory
• Hellenic Center for Marine Research (HCMR), Institute of Oceanography