Price accounting? Better talk to PricewaterhouseCoopers. PricewaterhouseCoopers LLP (PwC US) is the US arm of Big Four accounting firm PricewaterhouseCoopers International (which formally rebranded itself PwC in 2010). The accounting firm provides auditing and human resources, tax-related, and other advisory services. The firm's target industries include the automotive, banking & capital markets, communications, energy & mining, entertainment & media, financial services, and health services industries. PricewaterhouseCoopers also has a practice geared specifically to private companies. It has about 80 offices in more than 30 states and accounts for more than 35% of its parent company's revenue.