Big Four
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 currency
en-US/ˈbɪɡ ˈfɔɹ/
en-GB/ˈbɪɡ ˈfɔː/
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 currency