Serco moved to a new office in Cardiff in 2011 to provide services for organisations including online and home shopping retailer Shop Direct Group.

BBC: Serco: 450 call centre jobs announced for Cardiff

Alibaba Group is the parent company behind Alibaba.com, an online marketplace for small businesses, Taobao, a shopping site for consumers, as well as Alipay, an online payment service.

BBC: Alibaba appoints Jonathan Lu Zhaoxi as chief executive