Working in media for a full digital agency: several but below are two that might be useful to you. Addynamo - Good traffic, good reporting, good agency commiss

Working in media for a full digital agency: several but below are two that might be useful to you. Addynamo - Good traffic, good reporting, good agency commission. Admob - Biggest mobile ad network, owned by Google, great analytics. List on the Google Display network if you fall short of other options.