PricewaterhouseCoopers (trading as PwC) is a multinational professional services network headquartered in London, United Kingdom. It is the largest professional services firm in the world, and is one of the Big Four auditors, along with Deloitte, EY and KPMG. Vault Accounting 50 has ranked PwC as the most prestigious accounting firm in the world for seven consecutive years, as well as the top firm to work for in North America for three consecutive years.

PwC is a network of firms in 157 countries, 756 locations, with more than 208,100 people. As of 2015, 22% of the workforce worked in Asia, 26 percent in North America and Caribbean and 32% in Western Europe. The company's global revenues were $35.4 billion in FY 2015, of which $15.2 billion was generated by its Assurance practice, $8.9 billion by its Tax practice and $11.3 billion by its Advisory practice.