ExpertCallers Specializes In Providing Comprehensive Customer Relationship Management Services To Companies Worldwide. It was in 2002, that we started our operations with a handful of clients and staff, but with plenteous of commitment, rock-solid systems, and knowledgeable resources. By 2008, our dedication paid off, taking our client count to 100+ and staff strength to 2000. By the time we realized we were truly growing, we found our wings spread across three continents.