Ernst & Young is one of the world's top four accounting firms and the world's third largest professional services firm by revenue in 2005. It is the world's leading professional services company providing audit, tax and financial transaction consulting services for more than 100 years. At present, the company has offices and branches in Beijing, Hong Kong, Shanghai, shenzhen, guangzhou, dalian, chengdu, wuhan, suzhou and macau, employing more than 10,000 professionals by the end of 2013.