The four major accounting firms are PricewaterhouseCoopers, Deloitte, Ernst & Young and KPMG. PricewaterhouseCoopers is the largest professional service organization in the world, with more than125,000 professionals in 42 countries around the world. PricewaterhouseCoopers combines its profound knowledge and rich experience to provide customers with high-quality services with the highest professional ethics. PricewaterhouseCoopers is a leading professional service organization in Chinese mainland, China, Hongkong, China and Macau, China. It has about 5,500 employees in Chinese mainland, China, Hongkong, China and Macau, China, including 226 partners, and has set up offices in mainland cities such as Beijing, Chongqing, Dalian, Guangzhou, Shanghai, Shenzhen, Suzhou, Tianjin and Xi. Under the guidance of Deloitte's internationalization strategy, it has set up subsidiaries in nearly 150 countries and regions, and gathered more than120,000 experts to provide excellent expert services and consultation for customers. Its main business focuses on four areas: auditing, tax planning, consulting and financial consulting. More than half of the world's large enterprises, state-owned enterprises, institutions, important local customers and successful growth enterprises are enjoying Deloitte. This enterprise adopts the form of partnership, does not provide services directly, but raises funds through its global member enterprises.