The Big Four are the four most prominent IT Services firms globally. Below is a table showing the Big Four firms brand value for 2012:

Rank 2012 Company Domicile Brand Value 2012 Brand Rating 2012
1 IBM United States $39.1 Billion AA+
2 HP United States $21.7 Billion AA+
3 Accenture Ireland $6.9 Billion AA
4 Tata Consultancy Services India $4.1 Billion AA

Source:Brand_Finance 2012 Most valuable IT Services Brands[1]


This article uses material from the Wikipedia article Big Four (IT Services), that was deleted or is being discussed for deletion, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
Author(s): ArglebargleIV Search for "Big Four (IT Services)" on Google
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