Complex sentence: In addition, it is a member of the European Securities Network (ESN), a recognized pan-European network, consisting of 10 brokerage companies or investment banks in 14 European countries.
Split into simpler sentences: In addition, it is a member of the European Securities Network (ESN). ESN constitutes a recognized in pan-European network, consisting of 10 brokerage companies or investment banks in 14 European countries.