When they work for a single client, everyday, at the client's direction, then they are an employee in fact if not by law. Treating them differently is a way for

When they work for a single client, everyday, at the client's direction, then they are an employee in fact if not by law. Treating them differently is a way for the real employer to save money and remove risk, its not just paying someone to show up for a few hours to clean when they are also cleaning other clients offices