Hi-Media will provide premium inventory and data across Europe for VivaKi Nerve Center's Audience On Demand (AOD).
The two companies have agreed on a range of creative solutions and will work on bespoke data strategies applied to Hi-Media inventory.
AOD is a proprietary addressable media-buying resource, which aggregates precisely defined audiences from data sources.
The AOD product is used by VivaKi agencies, which include Starcom MediaVest Group, ZenithOptimedia, Razorfish and Digitas, and to date has served a total of more than 148 billion impressions across 811 advertisers and more than 37,000 campaigns.
Hi-Media was founded in 1996 and claims to be the European leader in online advertising.
Marco Bertozzi, executive managing director, EMEA for the VivaKi Nerve Center, said: "Audience on Demand is constantly looking to grow its footprint in EMEA and too often the inventory used relies on US companies. AOD is a truly international operation and it is vital our agencies can choose from the best local companies in the region."
Cyril Zimmermann, founder and chief executive of Hi-Media Group, said: "Since launching Hi-Media Ad eXchange 10 months ago, we have clearly seen a very positive dynamic on Real Time Bidding and we are happy to partner with a leading trading desk sharing the same experience."Follow @nickbatten2