The three Chinese firms and Microsoft will participate as strategic investors as soon as the joint venture is established.
Presently, TCS, under its subsidiary, will hold 72.22 per cent shareholding while the Chinese firms would hold a 27.28 per cent stake, S Ramadorai, CEO, TCS said.
Microsoft will be offered a 10 per cent stake as soon as the venture is established by both partners offloading equal number of shares, he said.
The joint venture firm, to be located in Beijing's Zhongguancn Software Park, will provide IT services and solutions to clients in the global as well as the Chinese market.