Bulimba, QLD
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Queensland Building and Construction Commission (QBCC)
Building Certifier
Licence #A69533
Last verified: 4 April 2026
Jeff Graham Carpentry is a building certifier practice based in Queensland, providing building certification, inspection, and compliance services. Jeff Graham Carpentry is rated 5 out of 5 from 47 Google reviews and reachable at www.gqs.com.au.
We regularly engage GQS through our work, and they consistently deliver a high standard of service. Their reports are thorough, well-structured, and always provided in a timely manner. The team is responsive, knowledgeable, and professional in every interaction. Their attention to detail and understanding of industry requirements adds real value to our clients. I highly recommend GQS to anyone seeking reliable and efficient quantity surveying service!
I recently had the pleasure of working with GQS, and I couldn't be more impressed with their professionalism and expertise. From the initial consultation to the final report, their team demonstrated exceptional knowledge and attention to detail. They provided accurate cost estimates, helped streamline our project, and ensured everything stayed within budget. Their communication was clear and timely, making the entire process smooth and stress-free. I highly recommend GQS to anyone in need of top-notch quantity surveying services. They truly exceeded my expectations!
Zac and his team provided excellent advice for our Body Corporate Cost Planning and peace of mind regarding insurance replacement costs for the overall complex at a very reasonable cost.
GQS produce timely and expertly written Depreciation and insurance replacement costs reports. Always done promptly with support staff pleasant and helpful during the entire process. A great company to deal with.
10/10 service from Zac and the team at GQS. It was our first time going through the tax depreciation process for our property and the GQS team made it feel incredibly straight forward. Their customer service is top tier, and they have an amazing turnaround time. I'd highly recommend GQS for anyone looking for quantity surveying services.