In August 2004, Tata Steel agreed to acquire the steelmaking operations of the Singapore-based NatSteel for S$486.4 million in cash.[15] The acquisition was completed in February 2005.[16]
In 2005, Tata Steel acquired a 40% stake in the Thailand-based steelmaker Millennium Steel for $130 million from Siam Cement.[17][18]
On 20 October 2006, Tata Steel signed a deal with Anglo-Dutch company, Corus. On 19 November 2006, the Brazilian steel company Companhia Siderúrgica Nacional (CSN) launched a counter offer for Corus at 475 pence per share, valuing it at £4.5 billion. On 11 December 2006, Tata preemptively upped its offer to 500 pence per share, which was within hours trumped by CSN's offer of 515 pence per share, valuing the deal at £4.9 billion. The Corus board promptly recommended both the revised offers to its shareholders. On 31 January 2007 Tata Steel won their bid for Corus after offering 608 pence per share, valuing Corus at £6.7 billion.
In 2007 Tata Steel through its wholly owned Singapore subsidiary, NatSteel Asia Pte Ltd acquired controlling stake in two rolling mills: SSE Steel Ltd, Vinausteel Ltd located in Vietnam. Tata Steel is headquartered in Mumbai, Maharashtra, India and has its marketing headquarters at the Tata Centre inKolkata, West Bengal. It has a presence in around 50 countries with manufacturing operations in 26 countries including: India, Malaysia, Vietnam, Thailand, Dubai, Daggaron, Ivory Coast, Mozambique, South Africa, Australia, United Kingdom, The