Institutional customers is a term used in the financial services

Financial services

Financial services refer to services provided by the finance industry. The finance industry encompasses a broad range of organizations that deal with the management of money. Among these organizations are credit unions, banks, credit card companies, insurance companies, consumer finance companies,...

 industry to differentiate retail customers and corporate customers from other financial institutions such as bank

Bank

A bank is a financial institution that serves as a financial intermediary. The term "bank" may refer to one of several related types of entities:...

s, insurance companies and fund management companies.

In several jurisdictions financial institutions may be able to enter transactions under a more lax regulatory environment than the other customer categories.