Complex sentence: The Better Business Bureau collects and provides free to the public business reliability reviews on over 4 million businesses to over 100 million requests from consumers in 2012, helping make the BBB's website rank among the top 400 most-visited websites in the United States.
Split into simpler sentences: The Better Business Bureau collects and provides free to the public reliability information on over 4 million businesses. The BBB provided business reliability reviews to over 100 million requests from consumers in 2012, helping make the BBB's website rank among the top 400 most-visited websites in the United States.