Facebook Deals, which has already started in the United States, offers Facebook users deals in retail outlets and posts a notice on their Facebook wall when they claim a deal, publicising the deal to the users' friends.
"That amplification means exponential connection to consumers," Joanna Shields, head of Facebook's operations in Europe , told a news conference in London.
Initial UK partners include Starbucks , which will offer a free coffee to the first 30,000 customers checking in using Facebook Places on Monday, and food chain Yo Sushi .
Facebook Places lets users broadcast their location. By offering Deals, Facebook could entice more people to use the location-based service while opening up new revenue opportunities. It may also encourage more users to access the social network via their mobile phones.
The service is being launched in Britain, Germany, France, Italy, Spain and Canada on Monday. Facebook said it planned eventually to launch the service everywhere.
