Events Hammer Holdings also have a successful Events business with two stunning central London locations and a dedicated team organising bespoke functions for a variety of clients. Our venues are beautiful Grade 1 listed buildings with excellent facilities and an incomparable atmosphere. As testament to the prestige and popularity of our venues, Event Magazine nominated One Marylebone the no.2 venue in the country (beating Alexandra Palace, the Natural History Museum and the London Eye amongst others).Operations The company also owns a number of successful operational businesses. These include a car park, situated in central London, an experienced security firm, a building and design services team and warehousing services for all partner and associate companies. These established operational elements help us to meet the needs of all Hammer Holdings brands and businesses.