Big Four
Financial Dictionary — Business & Management
Definition
Big Four The four largest public accounting firms in the U.S.: Deloitte, Ernst & Young, KPMG, PricewaterhouseCoopers. Typically, these four firms perform the audits of the largest publicly-traded corporations. In the UK, the four large clearing banks: Barclays, Midland, Lloyds and National Westminster. In Japan the largest securities houses: Daiwa, Nikko, Nomura and Yamaichi.
Common Uses
- Used in planning, organizing, and controlling business operations.
- Used when setting KPIs, policies, procedures, and improving processes.
- Used when setting KPIs, policies, procedures, and improving processes.
Practical Example
- Example: Management applies **Big Four** when designing policies and monitoring performance against targets.
Why This Term Matters
- Why it matters: Improves execution, accountability, and decision speed while reducing operational waste.