CIO signs contract with UK's Orange Limited (ASX:MKB) has been contracted to provide its mobile social networking platform to UK operator Orange.

Orange intends to launch the platform on its Orange content portal with zero rated data MMS and premium activity billing.

The parties expect to launch the service in late April. Financial terms have not been disclosed, except for the arrangement that will manage the billing and MMS functionality. said it planned to use the contract as a stepping stone into the mainland European market.

Orange, owned by France Telecom, is in the process of merging with Deutsche Telecom subsidiary T-Mobile UK.