all our work is directly produced by a small team

 working closely in combination throughout a project

Founder and Director

Seamus Lefroy-Brooks

BSc(hons) MSc CEng MICE CGeol FGS CEnv MIEnvSc FRGS SiLC RoGEP UK Registered Ground Engineering Adviser NQMS SQP DoWCoP QP



  • Civil Engineer, Geologist and Environmentalist
  • past chairman of the Land Forum  / National Brownfield Forum
  • past chairman of the AGS (Association of Geotechnical & Geoenvironmental Specialists)
  • founding committee member of  Society of Brownfield Risk Assessment (SoBRA)
  • one of the 12 experts on the government's National Expert Panel for Land Contamination
  • chair of the National Quality Mark Scheme (NQMS) for land affected by contamination
  • member of the Joint Industry Working Group (JIWG) on Asbestos in Soils
  • sits on various CIRIA, BSI and EIC steering groups
  • one of the authors of the present BS4845 guidance relating to landfill gas
  • retained as a basement and ground movement expert by several London Boroughs


Darcy Kitson-Boyce 




  • Civil Engineer and ground engineering consultant with 10 years’ experience
  • a wealth of knowledge in geotechnical design and numerical modelling
  • trained in sustainable drainage SuDS assessment and flood risk
  • member of the CL:AIRE review committee on statistical guidance for contamination assessment