• The co-worker is in an employee leasing agreement, refers to either the employee leasing company or the client company. Since both firms essentially share employees and this creates ambiguity as to who is the official employer for purposes of providing workers’ compensation, in many jurisdictions the employee leasing company/professional employers’ organization (PEO) and the client company are identified as co-employees and have provided them to both the protection of an exclusive remedy when both parties comply with specific legal requirements.