Robert Half, formally referred to as Robert Half International Inc., is a global human resource consulting firm based in Menlo Park and San Ramon, California, founded in 1948. It is a member of the S&P 500 and is credited as being the world's first and largest accounting and finance staffing firm, with over 345 locations worldwide. Robert Half has a variety of divisions. The company operates through three segments: temporary and consultant staffing, permanent placement staffing, and risk consulting and internal audit services. Through its Accountemps, Robert Half Finance & Accounting, Robert Half Management Resources divisions, it provides temporary, full-time and project professionals in the fields of accounting and finance. Other divisions include Robert Half Technology, providing software, application, IT infrastructure and operations professionals, Office Team, which specializes in administrative and customer service staffing, The Creative Group, that focuses on design, artistic, and creative talent, and Robert Half Legal that offer flexible and direct-hire staffing for legal professionals.In 2002, Protiviti Inc. was founded as a subsidiary of Robert Half, which provides internal audit, financial, operations, technology, governance, and risk consulting services. Robert Half is listed by Fortune magazine as among the "World's Most Admired Companies" in the temporary-help industry for 25 years consecutively (as of 2022) since it first made the list in 1998.