dating agency 
noun (plural dating agencies)
A service which arranges or facilitates meetings between people seeking romantic partners: the dating agency supplied a steady stream of potential partners they met through a dating agency...
- In January 1994, he and a business partner set up a dating agency for executives and, just a few months later, followed that with the formation of head-hunting firm MGM International.
- Speed dating is a new phenomenon that is popular; dating agencies have full books and more and more people are going on blind dates.
- Single people have more of a chance of meeting their perfect match thanks to a new dating agency in Swindon, if you've got the money.