Below you can find the list of the 5 biggest outsourcing companies in the world. For detailed coverage of this topic and a more comprehensive list, please see the 15 biggest outsourcing companies in the world.
5. Tata Consultancy Services
Revenue: $22.1 billion
Market cap: $100.7 billion
Assets: $16 billion
Total number of employees: 446,675
Headquarters: Mumbai, India
Tata Consultancy Services is a best-known business process outsourcing company that utilizes technology to help clients build a strong future. The Mumbai-based outsourcing company provides diverse intelligent solutions to its clients worldwide.