The research organisation revealed that the network provider came top in nine out of 15 categories including customer service, reliability, ease of use and upload speeds.
Orange was also voted top mobile broadband provider by YouGov in October 2009.
Asif Aziz, director of broadband and home, Orange UK said: "Retaining our position as the top mobile broadband provider in the UK is a great accomplishment which we're really proud of".
"This win is recognition of our strong focus on network quality and brilliant customer service and its our aim to build on these, as well as the products and services we offer, to ensure our customers continue to benefit from a high quality user experience".
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