The Singtel Group is Asia's leading communications group with 130 years of operating experience. It is also the largest listed company on the Singapore Exchange by market capitalisation, and second largest communications provider in Australia after its acquisition of Optus. As a result, Singtel has close collaborations with retail partners islandwide to cater to the masses.

Callmobile is one of the few Singtel exclusive retailers dedicated to provide an extended range of Singtel communication services and solutions including mobile plans, mio Home, broadband plans, and the newest mobile phones. With a vivacious team running four major storefronts at high-vantage locations, Callmobile has been delivering Singtel's best for more than a decade and continues to bring the latest promotions and services to meet every individual's needs.