 In 2018 Ramboll acquired North American engineering and design consultancy OBG (formally O'Brien & Gere), adding 950 consultants to Ramboll's North American presence.As of January 1, 2019, Ramboll Americas consists of engineering and science experts in Brazil, Canada, Mexico and the United States.In December 2019, Ramboll announced the acquisition of Henning Larsen Architects, effective on 2 January 2020.