SAN FRANCISCO — Twitter's consumer division is working with M Booth for an assignment centered around using the platform for holidays and events. 

Most recently, the Next 15-owned M Booth worked with Twitter on initiatives related to Valentine’s Day, Twitter spokesperson Jim Prosser told the Holmes Report. Twitter doesn’t retain an agency of record but works with “a variety”of agencies around the world, Prosser added.

Last year, Twitter shifted its UK PR assignment to Red Consultancy in an effort to step up consumer engagement. The Holmes Report understands M Booth has been given a similar brief in the US.

The New York-based M Booth has quietly been growing its presence in San Francisco to service a technology practice that also includes Google and