Barrett Business Services, Inc. (BBSI) delivers comprehensive human capital management and staffing solutions to small and medium-sized businesses across the United States. The company operates through two primary service lines: Professional Employer Services (PEO) and Staffing. Under its PEO model, BBSI establishes a co-employment relationship with clients, assuming responsibility for payroll processing, payroll taxes, workers' compensation, and employee benefits administration. Its staffing division provides on-demand, short-term, contract, and direct placement services, as well as on-site management. Utilizing a decentralized delivery model, BBSI deploys operationally focused business teams from local branches to provide hands-on consulting and risk mitigation services. By integrating management consulting with human resource outsourcing, the company helps clients streamline administrative processes and manage regulatory compliance.