Keller Group plc (LSE: KLR) is a geotechnical engineering company. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. The company is the world's largest geotechnical specialist contractor. It announced, in January 2023, that an "apparently sophisticated" fraud had been found at one of its subsidiaries. The company was established in the 1950s as the ground engineering division of GKN plc. In 1960, it expanded into a stand-alone piling and ground improvement company and, in 1975, it acquired the German company Johann Keller and took on that name. In 1984 Keller bought Hayward Baker Inc., a US ground engineering business. In 1990 it was the subject of a management buy-out from GKN plc supported by Candover and it was first listed on the London Stock Exchange in May 1994. In 2006, Keller Group acquired Anderson Drilling, the creaters and owners of the Big Stan drilling rig. In 2007, the company sold its social housing division for nominal consideration; also in 2007 the company acquired HJ Foundation for £24.5 million. More information...
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