WhatsOnStage.com is a London-based website that provides information about, and offers tickets for, theatrical performances in the United Kingdom. It also organises the annual WhatsOnStage Awards. Founded in 1996, it has been owned by the American company TheaterMania.com since January 2013. Its chief operating officer is Sita McIntosh.
References
WhatsOnStage.com Wikipedia(Text) CC BY-SA