Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 24. Chapters: Aon plc, Blue Rubicon, Collinson Grant, Crowe Horwath International, Detica, Elix-IRR, IPL Information Processing, Management Consulting Group, Matrix Knowledge, Mazars, National Support Teams, Oxford Computer Consultants, PA Consulting Group, PricewaterhouseCoopers, Qedis, Risk International, Tefen, Watson Wyatt Worldwide, Web Technology Group, Wirthlin Worldwide. Excerpt: PricewaterhouseCoopers (trading as PwC) is a multinational professional services firm headquartered in London, United Kingdom. It is the world's largest professional services firm and the largest of the "Big Four" accountancy firms measured by 2012 revenues. PwC has offices in 771 cities across 158 countries and employs over 180,000 people. It had total revenues of $31.5 billion in FY 2012, of which $14.9 billion was generated by its Assurance practice, $7.9 billion by its Tax practice and $8.7 billion by its Advisory practice. The firm was formed in 1998 by a merger between Coopers & Lybrand and Price Waterhouse. The trading name was shortened to PwC in September 2010 as part of a major rebranding exercise. As of 2010 the US PwC firm was the seventh-largest privately owned organization in the United States. The PricewaterhouseCoopers name was formed by the combination of the names of Price Waterhouse and Coopers & Lybrand, following their merger in 1998. On 20 September 2010, PricewaterhouseCoopers rebranded as PwC, although the legal name of the firm remained PricewaterhouseCoopers. The firm was created by the merger of two large firms, Price Waterhouse and Coopers & Lybrand in 1998. The two firms each had histories dating back to the 19th century. In 1854 William Cooper founded an accountancy practice in London, which became Cooper Brothers seven years later when his three brothers joined. In 1898, Robert H. Montgomery, William M. Lybrand, ...