The 'Big Four' refers to the four largest firms in the world of accountancy and auditing, which include Deloitte, Ernst & Young, KPMG, and PricewaterhouseCoopers, as well as the major commercial banks in the UK such as Barclays, Lloyds, HSBC, and Royal Bank of Scotland.
A company doctor is a seasoned businessperson or accountant with extensive commercial experience, specializing in analyzing and rectifying issues within struggling companies. They offer both advisory and executive solutions to turn around the business.
