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Top Consulting Firms

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PricewaterhouseCoopers (Strategy&). PRICEWATERHOUSECOOPERS (STRATEGY&). It was sold to PricewaterhouseCoopers in 2014. PricewaterhouseCoopers currently provides services to more than 400 of the Fortune 500 and is the 5th-largest private firm in the United States. Boston Consulting Group, Bain & Company.