New UKAS tests added

GSTL have added the following tests to their list of accreditation


Foldable Drilling Rig

GSTL have recently aqquired a foldable drilling rig which allows us to expand on our site works. This piece of equipment runs in parallel with our rail agenda as the drill rig is foldable, light in weight and will allow enhanced accessibility on sites and is therefore ideal for use at environmentally sensitive sites and for rail side work. More on the railways page


Welcome to GEO Site & Testing Services Ltd (GSTL)

GEO Site & Testing Services Ltd (GSTL) is an UKAS certified GEO Technical Site and Labs Testing Services company that operates throughout the UK mainland, Ireland, Europe and other international projects. The company's HQ is in Llanelli, South Wales, UK.

GSTL specialise in the geotechnical testing of soils, rocks, aggregates and site works/testing as well as drilling services. From site sampling, sample logistics to our lab, sample testing in our labs, interim and final report delivered electronically, long term sampling and sample storage.

Some of the advantages of using GSTL

  • Free collection of bag samples anywhere in the UK mainland.
  • Access to the online GSTL job/sample tracking system. As soon as your account is set up, its a click away from getting samples collected; then track the progress through to the final report result. Get the result immediately to you and your team with email and sms alerts.
  • Access your reports on our system, available to download at anytime, anywhere here online.
  • GSTL uses industry accepted British Standards Institute procedures as well as other recognised and accepted Standard bodies procedures for laboratory testing.
  • GSTL are an UKAS accredited Laboratory to BS/EN/ISO/IEC 17025: 2005. Our system is accredited to ISO 9001 : 2000
  • Quick turn around times on testing. Over 70%+ of our testing projects are completed within five business days. We transmit preliminary results to our clients immediately after testing is completed via fax or email.
  • Competitive rates by a fully accredited lab
  • Test results are easy to read and understand.
  • Our testing results are transmitted electronically via email. We can also deliver results by conventional means such as mail, fax as desired.
  • Data available in AGS if required.

We believe our strengths are, being an organisation with the ability to deliver products and services successfully within a short turnaround time, the ability to provide laboratory and site services along with consultancy and supervision all under one roof 'a one stop shop' keeping our clients project/works as a package. Most importantly we feel having a competitive pricinapp_globals.

Our reputation throughout the years remains high and we have continued to improve despite the current economic downturn in the construction industry. We are now in a position to expand further and are looking to source another premises.