Bangalore: The latest survey on evaluating the world’s most valuable companies has many surprises in its folds. In spite of struggling stock prices and general uncertainty over Tim Cook's innovative capabilities, Apple is once again the most valuable brand in the world, for the year 2013. Samsung which is touted has power house of innovation and which replaced Apple to become top selling brand in U.S. is placed at 30^th position in the list.

Every year, BrandZ and Millward Brown Optimor calculate and rank companies based on their global value. In its latest that has 100 most valuable companies in the world, 5 tech companies made it to top 10 positions.  Read on to know 10 most valuable tech companies in the world.

#10 Facebook

Rank: 31

Brand Value In 2012: $21,261 million

Brand Value In 2013: $33,233 million

Percentage Brand Value Change: -36 percent

Facebook is the world’s largest social network, with more than a billion users. Mark Zuckerberg founded Facebook in 2004 while he was attending Harvard University. The company opened up for an IPO in 2012 and had a valuation of about $100 billion, becoming one of the largest tech companies in tech history.

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