Deloitte began in 1845, when William Welch Deloitte opened an auditing office in London. Since then Deloitte has grown to a global brand representing numerous independent professional services firms that collectively employ over 225,000 people in more than 150 countries and territories around the world, and which in 2015 earned over than $35 billion. Deloitte […]

PricewaterhouseCoopers, or PwC, formed in 1998 as a result of a merger between Price Waterhouse and Coopers & Lybrand. It’s one of the world’s largest professional services networks, employing over 40,000 people in the US alone, and over 180,000 people in 157 countries around the globe. In 2014 it was the fifth-largest privately owned organization […]

Siemens was founded in 1847 by Werner von Siemens and precision mechanic Johann Georg Halske, who created Telegraphen-Bauanstalt von Siemens & Halske (Telegraph Construction Company of Siemens & Halske), a 10-man Berlin company that manufactured electrical telegraphs. Since then Siemens has grown into a global engineering and technology powerhouse with 343,000 workers in 190 countries, […]