ACSW Ground 
Profiling Services

GSS is member of the Association of Geotechnical & Geo-environmental Specialists (AGS) and pre-qualification accredited through Constructionline and RISQS. GSS has also Acclaim health and safety systems certification and can  provide PTS, Water Hygiene & SHEA gas certified test technicians.

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GSS offers ACSW stiffness & Vs profiling services including:

  • Simple inversion data (average stiffness or Vs profiling) for on-site control testing
  • Full advanced inversion to provide layered stiffness & shear wave velocity (Vs) profiles
  • 3D modelling of data using RockWorks software

All data is provided as PDF and in editable format. Examples of standard reporting are provided below but data outputs are customisable, please speak to us if you are interested in other formats.


GSS does not offer design or consulting services, preferring to support our clients through research, for which we run PLAXIS 2D and Fine GEO5 limit state analysis software.
GSS is accredited as a contractor through Constructionline and RISQS and can also provide PTS. Water Hygiene, & SHEA gas certified test technicians.


A bright new wave in geotechnics.