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.
Revenue in 2015 was $5.5 billion.
Kelly Services is currently ranked 471 in the Fortune 500 list of America’s largest companies.
Kelly Services has been recognized for its quality processes, management practices, supplier diversity, and community involvement with the awarding of Intel Corporation’s Certified Supplier Quality Award, Johnson & Johnson’s Supplier Diversity Partnership Award, Sara Lee Corporation’s Outstanding Service and Support Award, American Red Cross/Southeast Michigan Corporate Citizen Award, Michigan Minority Business Development Council’s “Corporation of the Year”, Fortune Magazine’s “Most Admired Companies” list, and Workforce Magazine’s “80 People, Events & Trends that Shaped HR”.
The company has approximately 1,100 employees at its corporate headquarters in Troy, Michigan and approximately 7,000 employees in its global network of branch offices.
Kelly Services provided employment to more than 550,000 employees in 2015.
Kelly Services common stock is listed on the NASDAQ Stock Exchange under the ticker symbols KELYA, KELYB.