The phrase "act as matchmakers" is correct and usable in written English.
You can use it when referring to someone who facilitates or helps to create romantic connections between people.
Example: "At the party, several friends decided to act as matchmakers, introducing singles to each other in hopes of sparking a romance."
Alternatives: "play the role of matchmakers" or "serve as matchmakers".
They merely act as matchmakers.
For instance, outfits that act as matchmakers for lonely hearts (dating clubs, singles bars, and so on) often levy higher charges on men than on women.
The idea was that such marketplaces would act as matchmakers between buyers and sellers in particular industries, and take a small fee in return.
For instance, clubs that act as matchmakers for lonely hearts often levy higher charges on men than on women, judging that single men will be keener to join clubs with lots of female members.
In the firm's eyes, it's the paragon of the "sharing economy": a world where people with spare rooms, cars, or even power tools share them with others in a way impossible before tech firms arrived to act as matchmakers.
That sort of background helps to establish their credentials, but the companies they come from also have to be seen by analysts and by the press as successful (even though nobody knows precisely what part the bosses played in that success).The whole process is carefully choreographed by the headhunters, who act as matchmakers between the two sides.
To pull off the mass wedding, local officials acted as matchmakers and motivational coaches.
Napster helped inspire the "sharing economy", in which software acts as matchmaker for strangers to share or exchange things.
Milchan acted as matchmaker between the Israeli Defense Forces and U.S. defense contractors like Raytheon and Hawker Beechcraft for weapons systems that included Hawk and Patriot missiles.
A 2014 Duke University study found that people who acted as matchmaker for others regularly, whether it be romantically, socially or even professionally, are linked to higher well-being.
Act as quickly as possible.
