Nexus Security SA, member of Athens Stock Exchange since February 1997, cooperates with all Greece cities. It has 2 000 clients and collaborates with the banks: Alpha Credit, National, General Hellenic, Ionian, Commercial and Ergo. President and CEO of Nexus Security SA is Maximilianos Georgakopoulos.
N. Comninos Securities S.A. is the extension of "N. Comninos" brokerage firm, which was established in 1907. The company gives specialized services as long as information to the 4 000 investors. Komninos Securities also carries out deals in shares and in mutual funds.