10AM Communications, which has produced work for Orchard Residences, the residential component of the property also managed by Orchard Turn Developments, denied its involvement in the pitch.
DDB has been briefed to run the business through-the-line, targeting retailers and consumers in Singapore and across Asia Pacific.
"Ion Orchard will light up Orchard Road in a bold and fashionable way," said David Tang, president and CEO of the winning agency. "Our campaigns will have to be just as bold and fashionable."
Ion Orchard, which is jointly owned by CapitaLand and Hong Kong’s Sun Hung Kai Properties, is part of a retail and residential development located in centre of Singapore's upscale retail district, Orchard Road.