According to a source close to the pitch, Saatchi & Saatchi and DraftFCB were also involved.
WE Marketing's Beijing office will take charge of branding duties for the group buying site across China.
Reported in May, Lashou.com appointed Vizeum to handle its media after a mere three months with OMD China.
Lashou.com also partnered with Charm Communications on its media and PR in the same month. The account will be jointly serviced by Charm Communication’s digital marketing agency Charm Interactive and Vizeum, a joint venture between Charm Communications and Aegis Media.
Lashou.com, which was launched in March 2010, has grown to become one of the largest deal-of-the-day shopping websites with operations in over 500 cities in China, including Alibaba's group-buying site Ju Hua Suan, which is China's biggest online-commerce company.
Groupon's China venture Gaopeng.com, launched in February in partnership with Tencent Holding, is a late comer to China’s group buying market.