Company Overview - The Story of Kelly | Kelly US

Company overview


William Russell Kelly founded the company in Detroit on October 7, 1946, operating as the Russell Kelly Office Service. He is widely credited with pioneering the modern temporary help industry. The company was renamed Kelly Girl Service in 1957, and it became Kelly Services® in 1966 to reflect the growing services of the company.

In 1968, Kelly Services opened its first international office in Toronto, Ontario, Canada. The company’s first European office opened in 1972 in Paris, France. Today, we offer a full suite of outsourcing, consulting, and staffing solutions—delivered globally from over a 75-year heritage of dynamic talent innovations.

Total sales

Revenue in 2022 was $5.0 billion.

Awards and recognition

Number of staff employees

Kelly Services employed approximately 7,500 staff members as of January 1, 2023.

Number of temporary workers

In 2022, Kelly Services assigned more than 300,000 temporary employees to a variety of customers around the globe.

Stock market listing

Kelly Services common stock is listed on the Nasdaq Stock Exchange under the ticker symbols KELYA, KELYB.