The company is currently running a series of ads on the London Underground that were booked through the independent shop the7stars.
The appointment of Manning Gottlieb OMD coincides with reports that suggest the San Francisco-based social network is in advanced talks with private-equity companies to raise funds, possibly ahead of an initial public offering towards the end of this year.
Airbnb was founded in 2008 by the Rhode Island School of Design graduates Brian Chesky, Joe Gebbia and Nathan Blecharczyk.
Airbnb did not respond to a request for comment.
Manning Gottlieb OMD declined to comment.