Adecco is the world’s largest employment agency, serving some 140,000 clients from more than 6,600 offices worldwide. The company primarily provides temporary staffing services (more than 90% of sales), but also offers permanent employee placement, project assistance, outsourcing, and other human resources-related services. Besides its core industrial and office staffing services, Adecco maintains six professional lines: Engineering & Technical; Finance & Legal; Human Capital Solutions; Information Technology; Medical & Scientific; and Sales, Marketing & Events. Adecco traces its roots to 1957 and has a history of growing through mergers and acquisitions. 
Brands & Affiliates
- Kim Clijsters: Adecco Sponsors tennis player, Clijsters.
- Athlete Career Programme in cooperation with the International Olympic Committee (IOC)
- The Adecco Institute (in partnership with the London Business School)
- 2008 World HR Congress (ongoing partnership)