Barrett Business Services, Inc. (BBSI) operates in the Staffing & Employment Services industry, providing professional employer services, staffing, and recruiting solutions primarily in the United States. This analysis evaluates BBSI's Shariah compliance across financial ratios, business activities, ESG factors, and index inclusions. The company's core activities are permissible under Islamic principles, with no involvement in prohibited sectors. Financial screens confirm compliance with major standards, supported by low debt (2.15% of market cap), adequate liquidity (9.2%), and minimal impurities (0.74% interest income). Overall, BBSI demonstrates strong Shariah alignment, suitable for ethical investment portfolios.