What clients are saying
"The choice of the shopping centres and the locations of IWall is a fundamental pillar that allows us to partner with companies that share our philosophy of constant modernization and innovation. That's why we chose Sierra's portfolio. "
Eva Alcalá - Iwall | Advertising | SPAIN
“Considering that interaction is going to develop massively, we have finally joined together two valuable elements for advertisers with a plug ‘n’ play solution: digital and shopping centre.”
Exterion Media | Advertising | ITALY
“The first month couldn’t have been better, it is good to know that this option? is available to test your business.”
Dope LX | Retail | PORTUGAL