1860
Johann Keller established
1930s
Keller invented vibro ground improvement method
1960s
GKN moved into UK piling & ground improvement market with the acquisition of Hull-based piling company Holmpress Piles
1974
GKN acquired Johann Keller in Germany to form Keller GKN Foundations
1990
Management buyout from Keller GKN Foundations, company renamed Keller
2006
Keller acquired Phi Group, a company specialising in the design, supply and installation of retaining structures
2007
Keller acquired Systems Geotechnique, a geotechnical subcontractor specialising in restricted access piling, ground anchors and soil nails
2010
Keller set up Getec, a monitoring and instrumentation division, to work initially on the Crossrail project
2019
Getec renamed GEO-Instruments as part of a rebrand of the company’s global I&M businesses