World Top 100 Outsourcing and Staffing Companies List by Market Cap as of August 2026

51job is a leading provider of integrated Human Resource Services company. It provides a number of other value added Human resources services including business process outsourcing, training, professional assessment, executive search and compensation analysis. It has multinational corporate clients through 25 offices in Mainland China. The headquarters is in China.

DCP Capital Partners and Ocean Link Partners acquired 51Job for 4.3 billion USD.

TriNet is a Professional Employer Organization. It offers access to human capital expertise, benefits, risk mitigation and compliance, payroll and real time technology. As per 2022 worksite employees are 3,300. The headquarters is in USA.

ManpowerGroup is a Innovative Workforce Solutions company. The company connect more than 600,000 people to meaningful work across a wide range of skills and industries helping to power the success of clients around the world. It services are outsourcing, recruitment and assessment, training and development, workforce consulting and career management. The headquarters is in USA.

Insperity is a HR Solutions company. The company grown from two people sharing a one room office to a $4.3 billion company with more than 70 offices across the U.S. The headquarters is in USA.

eClerx Services is an innovation business process management, change management, data driven insights and advanced analytics powered by subject matter expects and smart automation company. The company annual revenue is 15,644 million INR and annual net income is 2,825 million INR for year ending March 2021. The headquarters is in India.

DXC TECHNOLOGY is Software and IT services and solutions company with headquarters is in Virginia, USA. They have around 6,000 private and public-sector clients in 70 countries. As on 2022 they had around 130,000 employees around the World.