Agencies who hire me on a white label basis, do so for various reasons. These include:
Limited knowledge:
In many cases, though they may have staff internally who know a bit about PPC and how to get PPC campaigns setup, they don’t really have the years of expertise to know how to trouble-shoot PPC campaigns which may not be performing, how to cut costs, how best to maximise their conversions.
Addition to their existing services:
In some cases, PPC is a services agencies do not provide as they do not have any expertise in-house. What better way to add an additional channel of revenue, by providing PPC services to your existing customers, as well as when prospecting new ones.