We have built a solid working relationship over the past 2 years with Callbox. In a highly competitive market, they have demonstrated why they are a reputable partner. They have shown their commitment to being flexible and adaptable to our specific requirements with providing required market data and required resources for our APAC client campaigns. The experienced team leaders have greatly assisted with working around our specific strategies and have always shown a positive attitude to go above and beyond.

Chak Ng