VanceInfo (officially VanceInfo Technologies Inc.) is an IT outsourcing company headquartered in Beijing, China. It ranks first among Chinese offshore software development service providers for the North American and European markets as measured by 2010 revenues. The service areas of the company are in tech, telecom, finance, travel, manufacturing, retail and logistics. In November 2012, the company merged with China-based IT outsourcing industry peer HiSoft to form Pactera. The company was founded in 1995 as Worksoft and started its long-term relationship with IBM. The company added an office in Dalian in 2004, and in that same year signed a contract with Unicom-BREW and built the PeopleSoft China Development Center. In the next year important achievements included the building of the TIBCO China Development Center and selection as a Microsoft Preferred Vendor and built its China Offshore Development Centers in Shanghai and Beijing. In that year, the company expanded by acquiring SureKAM and the US-based Siebel consultancy Envisys, and secured financing from funding by Hao Chen, Legend Capital and Rob Theis, Doll Capital Management (DCM). More venture capital funding following in 2006 from Kui Zhou and Doug Leone of Sequoia Capital. The company also in 2006 acquired China-based Prosoft Technology. 2007 was a marquee year in which the company changed its name to VanceInfo and listed on the NYSE, and opened offices in the US in Seattle, Washington and New York. Further international expansion occurred in 2009 with the opening of a London office and a Melbourne, Australia office in 2010.