||Samuel Lowell Price sets up business in London.
||William Cooper establishes his own practice in London, which seven years later becomes Cooper Brothers.
||Price, Holyland and Waterhouse join forces in partnership. In seven years the company's name changes to Price, Waterhouse & Co.
||Robert H. Montgomery, William M. Lybrand, Adam A. Ross Jr. and his brother T. Edward Ross form Lybrand, Ross Brothers and Montgomery.
||Cooper Brothers & Co (UK), McDonald, Currie and Co (Canada) and Lybrand, Ross Bros & Montgomery (US) merge to form Coopers & Lybrand.
||Price Waterhouse World Firm is formed.
||Coopers & Lybrand merges with Deloitte Haskins & Sells in a number of countries around the world.
||Worldwide merger of Price Waterhouse and Coopers & Lybrand creates PricewaterhouseCoopers.