Johann Keller

1860

Johann Keller established

1930s

Keller invented vibro ground improvement method

1960s

GKN moved into UK piling & ground improvement market

hayward baker

1974

GKN acquired Johann Keller in Germany to form Keller GKN Foundations

 

1987

Keller GKN acquired Colcrete, a company making grout mixing and pumping equipment

1990

Management buyout from Keller GKN Foundations, company renamed Keller

history

1995

Keller acquired Eurodrill, a drill tube and casing manufacturer to create Colcrete Eurodrill

Phi Group

2006

Keller acquired Phi Group, a company specialising in the design, supply and installation of retaining structures 

Systems Geotechnique

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