Colliers International, a provider of commercial real estate services, has selected AT&T to help it complete its multi-year transformation from a network of independent real estate firms into a unified global service company.

Under the four-year agreement, AT&T will provide voice, data, consulting and hosting services to seamlessly link 129 Colliers offices located in 13 countries throughout North America, South America, Europe, Asia and Australia.

In addition, AT&T will provide global telecommunications and network infrastructure offering through which Colliers provides a new level of content, services and applications to its partners and affiliates.

Colliers International chief information officer Veresh Sita said AT&T had the breadth and depth of service, the expertise and the commitment to deliver the global offering.

"AT&T’s alignment to our enterprising approach to business was paramount throughout the process," Sita said.