customer base
noun [ C, usually singular ]
COMMERCE, MARKETING ukus(also consumer base)the group of people who buy or use a company's products or services:
Men make up 84% of Sportfit's customer base.
The restaurant's core customer base consists of local workers.
This location gives us a big potential customer base.
large/loyal/wide customer base The company has an extremely loyal customer base.
build (up)/expand/grow a customer base The firm decided to build up its customer base through aggressive advertising.