As part of its activities, ARNES is involved in the operation of several international organisations:
ARNES is a founding member of GÉANT and a member of NREN PC (National Research and Education Programme Committee). ARNES representatives sit on the boards of GÉANT, EURid and ENISA (European Network and Information Security Agency), and as advisors to the GAC (Governmental Advisory Committee). ARNES employees are members of GÉANT working groups.