2000–present
In 2000, AECOM acquired Metcalf and Eddy, a water and wastewater engineering firm based in Massachusetts[10] and London-based Guy Maunsell International, expanding the firm's reach in the United Kingdom, Hong Kong/China, Australia and the Middle East.[11] In 2003, AECOM developed an award-winning landscape plan for Jinji Lake in Suzhou Industrial Park; the lake was developed from a shallow and marshy pond into one of the largest lake front parks in China.[12]
In September 2004 it acquired the Canadian company, UMA Engineering Ltd.[13] ENSR[14] and EDAW[15] joined AECOM in 2005.
AECOM went public during May 2007 with an initial public offering on the NYSE, netting $468.3 million.[16] In January 2008, AECOM acquired The Services Group, Inc., a provider of consulting services to the US Agency for International Development (USAID) and other multi-lateral donor organizations. In July 2008, AECOM purchased Earth Tech Inc., a consulting and engineering firm, from Tyco International for $510 million.[17][18] On July 14, 2010, AECOM announced its acquisition of Tishman Construction Corp., a leading provider of construction management services in the United States, whose projects include both the building of the original Twin Towers in New York City in 1973 and One World Trade Center (Freedom Tower) in the aftermath of 9/11.[19] On July 13, 2014, AECOM announced its acquisition of URS Corporation, an engineering, construction, and technical services firm for US$56.31 per share in cash and stock, pegging the enterprise value of URS at approximately $6 billion.[20]
In 2018, AECOM along with 91 additional Fortune 500 companies had "paid an effective federal tax rate of 0% or less" as a result of Donald Trump's Tax Cuts and Jobs Act of 2017.[25]
In October 2019, AECOM announced plans to sell their Management Services division to private equity firm American Securities LLC and Lindsay Goldberg for $2.405 billion.[26][27] Management Services provides services and support to governmental clients including the Department of Energy and Department of Defense. On January 31, 2020, this transaction was completed with the new company being called Amentum.[28] In October 2020, AECOM announced the sale of its Power construction business to private equity firm CriticalPoint Capital.[29] In December 2020, AECOM announced the sale of its Civil construction business, including Shimmick Construction, to private equity firm Oroco Capital, which completed January 5, 2021.[30] AECOM explained these divestitures as a "transformation into a higher-margin, lower-risk Professional Services business".[29]
In August 2021, AECOM announced plans to relocate its global headquarters from Los Angeles, California to Dallas, Texas.[31]
In 2025, AECOM acquired Norway-based artificial intelligence start-up company Consigli.[32]
