CSS, a San Jose, Calif. company that provides offshore technical support to businesses, has raised $25 million in a second round of funding.

Goldman Sachs led the round in the company, also known as Cybernet–SlashSupport, which says it grew revenue by 70 percent last year.

From the statement:

The funds will be used by CSS to make additional investments in its global delivery infrastructure, recruitment and training, to expand sales and marketing, and to pursue strategic acquisitions that further the company’s mission of helping its customers drive technology adoption.

CSS employs close to 5,000 professionals and has offices in the US, Europe and Asia, including offshore delivery centers in Chennai and Coimbatore, India. Its portfolio of technology operations management and testing/QA services already has an impressive roster of clients, including Nortel, Blackboard Inc., NTT and Alcatel-Lucent. In January, the company announced it was awarded a multi-year contract to support products across Nortel’s enterprise voice and data portfolios.

The nine-year-old company previously raised $22 million from SAIF Partners, some of which was used to buy out previous investors Deutsche Bank AG and Barings Equity Partners, according to a separate report in VentureWire.

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