Decision following the complaint against companies active in the market for the provision of security services for infringement of articles 1 of former competitionL. 703/1977 and 1 of current L. 3959/2011, and 101 TFEU, which did not enter the settlement procedures that resulted in the HCC Decision 721/2020, and in particular against a) “MONDIALPOL HELLAS SECURITY SERVICES S.A.” and b) “ESA SECURITY SOLUTIONS S.A.”, as well as an ex-officio investigation of the Directorate-General of Competition (DGC) in other entities active in the general sector for the provision of security services.