NTS & Cisco

Prof. Michael Werba
Vienna Philharmonic

Congratulations on your tireless work!

Susanna Größinger
participant of the Vienna Philharmonic Summer Academy

I would like to take this opportunity to once again thank you for the completely smooth handling of the concert tickets and above all the wonderful concert.

Silke Ostermeier
AUDI Communication AG

On behalf of AUDI AG, I would like to thank you for the wonderful support in organising our guest groups during the Salzburg Festival. Because of the personal commitment of Dr. Bienert it was a cultural highlight for us and our guests.