OCS has won a three-year cleaning and support services contract at the Birmingham Museums Trust.
Birmingham Museums Trust has nine venues across Birmingham, including the Thinktank, Birmingham Science Museum, as well as the Birmingham Museum & Art Gallery, which showcases a world-class collection offering a glimpse into Birmingham's rich and vibrant past within a grade II listed building in Chamberlain Square.
Jeremy Dicks, director of venues and events at OCS, said: "Our team will focus on contributing to the overall customer experience and provide expertise to help present some exceptional public venues."
Jeremy Ross, facilities manager at Birmingham Museums Trust, said: "OCS demonstrated expertise and a real partnership approach to service delivery in the unique museum buildings. We look forward to developing a successful and trusting partnership with OCS over the next three years."