As far as ive been able to find, it seems its only possible to heli ski/board in the arlberg region of austria..
The area of Arlberg are awesome and the surroundings very beautiful.
St Anton heli skiing | heli skiing, heli boarding near St Anton, Arlberg
St Anton/Lech and Zurs:
Heliskiing Arlberg Österreich Wucher Helicopter
Freeriding in Austria - Winter