Adecco
 | |
 The Adecco Group headquarters in Zürich, Switzerland | |
| Type | Aktiengesellschaft |
|---|---|
| SIX: ADEN SMI MID component | |
| Industry | Professional services |
| Predecessors | Ecco Adia Interim |
| Founded | 1 January 1997 |
| Headquarters | Zürich, Switzerland |
Number of locations | 5,200 branches in over 60 countries and territories |
Area served | Worldwide |
| Key people | Jean-Christophe Deslarzes (Chairman) Denis Machuel (CEO) |
| Services | Employment agencies, recruitment, human resource consulting and outsourcing |
| Revenue |  €23.082 billion (2025) |
 €572 million (2025) | |
| €294 million (2025) | |
| Total assets | €11.756 billion (2025) |
| Total equity | €3.396 billion (2025) |
Number of employees | ~34,000 FTE (2025) |
| Website | adeccogroup |
The Adecco Group is a Swiss–French company based in Zürich, Switzerland. It is the world's second largest human resources provider and temporary staffing firm. It is a Fortune Global 500 company and is listed on the SIX Swiss Exchange.