References.

Not without pride, we can say:
CheckEffect is used by the opinion-formers and market leaders in native tourism. No wonder, it was also these entrepreneurs who, together with us, made the idea ripen into a program.

• Akzo Nobel
• Anna Chromy
• AMI Agrolinz Melamine
• Bergbahnen Flachau
• bigbamboo
• Brau Union Österreich AG
• Calimax
• Carloft.at
• Der Tapezierer
• Die Finanzdienstleister
• fachverbandwerbung.at
• Golf.at
• Inbox.cc
• Kaiser Bier
• Kronoflooring.de
• Limoprofessionals.com
• Logoclic.info
• NationalparkRegion Hohe Tauern
• POLAK and friends Werbeagentur
• PLAKAT AM LKW
• Prock+Zott
• Salzburg TV
• Skidiver
• Ski-Weltcup 2006 (BKK)
• Sport Lohmann
• Stangl Reinigung
• Therme Meran AG
• ThermenResort Warmbad-Villach
• T-mobile
• UYC Mondsee
• vinovum