Keller Group

Keller Group plc
FormerlyChidworth Limited (1989–1990)
Company typePublic limited company
IndustryGround engineering
Founded1860 (1860)
HeadquartersLondon, England
Key people
Revenue £2,986.7 million (2024)
£212.6 million (2024)
£142.7 million (2024)
Number of employees
10,000 (2025)
Subsidiaries
  • Cyntech
  • GEO-Instruments
  • Suncoast Post-Tension
  • Moretrench Industrial
  • Phi Group
Websitekeller.com

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.