Telefónica UK Limited is a telecommunications, internet and financial services provider in the United Kingdom owned by Telefónica, forming part of its Telefónica Europe division. It is the second-largest mobile telecommunications provider in the United Kingdom and is headquartered in Slough.
London Stadium (originally known as the Olympic Stadium) is a stadium within the Queen Elizabeth Olympic Park at Stratford, London, England, at Marshgate Lane in the Lower Lea Valley. It was constructed to serve as the home stadium for the 2012 Summer Olympics and Paralympics, hosting the track and field events and opening and closing ceremonies. It was subsequently renovated as a multi-purpose stadium, with its primary tenants being West Ham United Football Club and British Athletics.