Big Four (banking)
Term for large banks; referred varies by country / From Wikipedia, the free encyclopedia
For other uses, see Big Four (disambiguation).
The Big Four (or Big 4) is the colloquial name given to the four main banks in several countries where the banking industry is dominated by just four institutions and where the phrase has thus gained relevance.[1] Some countries include more or fewer institutions in such rankings, leading to other names such as Big Three, Big Five, or Big Six.