News Archive

August 07, 2019

Staffing Industry Analysts Names Advanced Group to the 2019 Largest Staffing Firms in the United States List

Wunderland_SIA Largest Staffing Firms in the US 2019

Chicago, IL (August 5, 2019) Advanced Group, an industry-leading diversified professional staffing, consulting, and outsourcing organization, has been recognized by Staffing Industry Analysts (SIA) in their 2019 report as one of the largest staffing firms in the United States.

The annual listing ranks companies based on generated staffing revenue of at least $100 million. Advanced Group moved up three positions from last year’s ranking with reported U.S. staffing revenues of $161 million. SIA identified 157 companies that qualified to be on the list. All together, these firms generated over $90 billion in revenue, making up nearly 61 percent of the market.

We are pleased to have once again been named to Staffing Industry Analysts report of the largest staffing firms in the United States,” said Leo Sheridan, Chief Executive Officer at Advanced Group. “The upward movement in Advanced Group’s ranking is attributed to our dedication toward building and strengthening long-term quality partnerships with our clients and talent across each of our staffing businesses. We are committed to increasing growth as we continue to reinforce our position as industry leaders.”

Founded over thirty years ago and headquartered in Chicago, Advanced Group places thousands of talented professionals each year in clinical research, HR, technology, finance, accounting, healthcare, office, marketing, and creative positions. The organization also offers RPO solutions and has nearly 500 employees located in 16 offices internationally.

About Advanced Group 

Advanced Group provides expertise in talent acquisition and management, consulting, outsourcing, and professional services. Founded in 1988, our businesses include Advanced Clinical, Advanced Resources, Advanced RPO, and the WunderLand Group. To learn more, visit

About WunderLand Group

WunderLand Group is the destination for creative, digital, and marketing talent, providing companies with in-demand, highly-qualified talent for contract and full-time positions. The industry has verified WunderLand Group’s reputation for loyalty and quality through numerous awards and recognitions, most recently the Best of Staffing® Client Award and Talent Award. WunderLand Group services clients in Chicago, San Francisco, Seattle, Connecticut, New York, New Jersey, Rhode Island, and Boston. WunderLand Group is part of the Advanced Group, a talent acquisition and management, consulting, outsourcing, and professional services organization. For more information, visit

Stephanie Iannotta
Senior Manager, Communications
P: (312) 980-2865