Robert Half Inc. is an international human resource consulting firm founded in 1948, based in Menlo Park and San Ramon, California.

It is among the world's largest accounting and finance staffing firms, with over 345 locations worldwide.

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, which focuses on design, artistic, and creative talent; and Robert Half Legal, which provides staffing for legal professionals.

In addition to the Accountemps brand, the firm expanded to include specialty groups focusing on technology, legal and creative services personnel.

In 2006, the company, through its subsidiary Protiviti Inc., acquired the assets of PG Lewis & Associates, a provider of data forensics and cybersecurity services founded in 2003.