SUBTEST

Couldnt be happier, Subtest are awesome. They arrived on time, did a great job on the site classification and percolation test. They were more than happy to help out with some additional forms and advice and even managed to get the soil test result back to us in 2 days so we could move on with our build before the end of the year. Really happy with their service and work, can't recommend more.

Absolutely incredible service from Kel and the team. A detailed soil report was provided with a prompt turn around time. I cannot recommend Subtest enough. Appreciate your work Kel.

Kel exceeded our expectations, communication was great,and work carried out on time. We thoroughly recommend Kel and would have no hesitation in using him again. Reg Cashman

Very professional so easy to deal with amazing turnaround time highly recommend Kel as he went above and beyond.

Having built several times before, I can say that the soil and effluent reports are the most comprehensive professional that I have seen. Great work Kel and the team.

10/10 Kel did exactly what he said he was going to do and when he scheduled to do it. Very pragmatic guy, if you need anything done 100% recomend using subtest.

If you want to make your Business look even more professional, Kel and his ever expanding team at Subtest is your answer. Subtest have extensive practical, professional industry knowledge and quality client liaison. We have over 5yrs of connection with Subtest, so whether it’s a one off project or one a week, we can testify that they have all your answers.

We have had a longstanding relationship with Kel Gray from Subtest for many, many years. Ever since Kel started his own business we have engaged Subtest to carry out all our residential site classifications, waste water designs and slope stability reports. Kel's experience and knowledge of Mackay and surrounding areas is invaluable. Someone with his calibre of local knowledge and understanding in the geotechnical field is hard to find. He is trustworthy and efficient and we highly recommend Subtest to anyone seeking geotechnical services.

We have been working with Kel and the team at Subtest for many years for our geotechnical needs for our client’s properties. He is always efficient in responding to our requests and goes out of his way to work with our clients. We highly recommend him and his team!

We use Kel & the team at Subtest for all of our site investigation needs. Reliable, fast and always willing to answer any questions we have. We highly recommend their services!

Exceptional service provided by Kel Gray. Kel's expertise, attention to detail, and commitment to customer satisfaction make Subtest a standout choice in the field. I am genuinely impressed and grateful for their outstanding service and do not hesitate to highly recommend.

Kel and the team at subtest always offer prompt and reliable service coupled with Kel’s long term knowledge of Mackay and the Whitsundays make Subtest your only choice for your geotech and soil testing needs.

We've had the pleasure of working with Kel and the Subtest team for all of our geotechnical needs since 2018, and our experience with them has been nothing short of exceptional. Highly Recommend!

We have engaged Subtest for all our geotechnical needs over the past 5 years in the residential building market. Kel and the team are fantastic to deal with, our clients love dealing with him and he often goes over and above for us. We highly recommend Subtest.

Subtest are brilliant to work with - Kel and his team are very professional and very knowledgeable in all aspects of geotechnical. Punctual and very quick to provide reports after inspections. A great service - easy to deal with and by far the best in their field in the Mackay region. Fully recommended for all construction and building and development project works.

Kel and his team are leaders in their field. Very knowedgeable and helpful. I have no hesitation to recomend Subtest for all your Geo-tech needs.