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UKAS.bmpK4 Soils is an independent company offering advisory, laboratory and field services within the geotechnical engineering and allied disciplines. K4 Soils is a UKAS accredited laboratory. We have been  in operation for over 18 years and with the our extensive knowledge of soil testing and foundation design we are able to help  our clients choose the most appropriate testing for their needs.

We have facilities for all physical, chemical and specialized (effective stress) tests. We have many test apparatus including, oedometers, triaxial compression, pore pressure measurement equipment with triaxial, shear box, unconfined compression tests, permeameter, laboratory vane and laboratory CBR (california bearing ratio).

We use software from Key Lab Systems, GDS Instruments and our in-house programmes to provide clear and accurate test results. We also offer our results in AGS format.

For more information please contact us on any of the following:

Phone - 01923 711288

Address -

Unit 8, Olds Close

Olds Approach


WD18 9RU

Email address -