Nextag is a price comparison service website. It started originally as a website where buyers and sellers could negotiate prices for computers and electronics products. The current business model with a focus on comparison shopping has existed since 2000. In June 2007, Providence Equity Partners purchased a two-thirds majority of the company. It was ranked by Time magazine as one of the fifty best websites of 2008.Nextag's headquarters are in San Mateo, California. Additional offices are in London, Tokyo and Gurgaon, India.On 9 November 2010, Nextag announced the acquisition of nextcoupons.com.