Revenue Leaders

Top staffing firms ranked by annual revenue.

Company Profiles

Browse staffing firms, MSPs, RPOs, and technology vendors.

M&A Timeline

Landmark mergers and acquisitions that reshaped the staffing industry.

1996

Adia + Ecco merge to form Adecco

Two Swiss staffing firms combine to create one of the world's largest workforce solutions companies, now The Adecco Group.

2014

SAP acquires Fieldglass

SAP purchases Fieldglass, the leading VMS platform, integrating contingent workforce management into its Intelligent Spend suite.

2016

Randstad acquires Monster Worldwide

Randstad acquires the iconic job board for $429M, combining traditional staffing with digital talent acquisition capabilities.

2023

PRO Unlimited rebrands as Magnit

After acquisition by Thomas H. Lee Partners, PRO Unlimited rebrands as Magnit, signaling a new era as an independent pure-play MSP.

2024

NTT DATA acquires Beeline

NTT DATA acquires the leading VMS platform Beeline, expanding its workforce management technology portfolio globally.