111 Somerset is a high-rise commercial building and shopping mall in Orchard, Singapore. The building was first known as Public Utilities Board Building (PUB Building) until 1995, and was later known as Singapore Power Building until 2008 when acquired by YTL Corporation Pacific Star. It used to house the headquarters of SP Group, until it shifted to its current site at Kallang. It includes two office towers and a retail podium. It is currently being managed by Perennial Real Estate Holdings.