Think of them (Pricewaterhouse Coopers) as a business solutions and consultancy company. They do not just do accounting (althought a huge part of their business is accounting), but other things like assurance, business strategy and advisory. For common folks like us, we might not think that such services is of any importance, but for major businesses where they pour in millions or even billions into a project, such services are extremely important. And PWC is involved in nearly every single industry from aerospace to healthcare to technology and chemicals. If you have the money to hire them, they will surely come. And countries which they serve? Everywhere around the world. They have offices in 757 cities across 154 countries and they employ over 160,000 staff. Of course they hire a lot of people, they are indeed in the business of providing talent to those who require it.