This Practice Note considers the tripartite relationship between an agency worker, the agency with which the agency worker has a contract and the hirer or end user (sometimes known as the principal) and, in particular, whether the agency worker may be a worker or employee of the agency or the end user. There are four important areas in which the law affects agency workers: • the regulation of employment agencies and businesses • equal treatment of agency workers under the Agency Workers Regulations 2010 (AWR 2010), SI 2010/93 • the employment protection rights derived from their status as agency workers, and • the employment protection rights derived from their status as a worker or, in some cases, an employee These areas operate independently of each other. For example, rights under AWR 2010, SI 2010/93 are not dependent on employee status at common law, nor do they affect or simplify that status; nor do AWR 2010, SI 2010/93 affect the major rules on the conduct of employment agencies and businesses. For further information on: • the