EXPERT
Quantity Surveyors, Depreciation Specialists & Cost Consultants
Depreciation Experts | Maximising Tax Benefits for Fund Managers, Landlords, Property Developers, Investors & HNWIs | Helping Accountants Optimise Asset Depreciation

TDQS is a firm regulated by RICS for the provision of Quantity Surveying services. This means we agree to uphold the RICS Rules of Conduct and all other applicable mandatory professional practice requirements of RICS, which can be found at www.rics.org and our employees are members of professional associations – RICS, AIQS and Tax Practitioners Board registered tax agent,ensuring that our high standards of work are maintained.
Billions
Trusted Clients
Clients
Quantity Surveyor
Empowering Your Vision, Every Step of the Way
Commercial Depreciation
As a building ages, its structure and assets are subject to general wear and tear. In other words.
Quantity Surveying
Feasibilities studies, cost plan, BQ, tender estimate & analysis, cost advice
Reinstatement Cost Assessment
Assessment on building reconstruction cost for building insurance purpose.
Industry Certifications
Tax Agent: 25223812



Our Value Propositions
Results - Maximum Tax Deductions
Unlock the full potential of your investment property with our expert assessments. Our in-depth knowledge of tax legislation ensures you claim every eligible deduction, maximising your returns.
Value - Lifetime Report
Invest once and benefit for a lifetime. Our comprehensive tax depreciation schedule is 100% tax-deductible and designed to last up to 40 years, delivering exceptional long-term value.
Quality Assurance - Compliance
TDQS is accredited by the Australian Taxation Office (ATO) to estimate construction costs for depreciation purposes. We are regulated by the Royal Institution of Chartered Surveyors (RICS), ensuring the highest standards of professionalism and accuracy.
Blog and Articles / Quantity Surveyor Knoledge


A Guide to Investment Commercial Property Depreciation

What Investment Property Tax Deductions Can I Claim for 2023-2024?

Quantity Surveyor Experience
Why Choose TDQS?
Expertise You Can Trust
Over 28 years of experience in tax depreciation and quantity surveying services across Australia and UK.
Recognized Quantity Surveyor Expert for Commercial and Industrial properties
Comprehensive Reports
Accurate and detailed cost reporting and ATO-compliant depreciation schedules valid for up to 40 years.
Nationwide Service
Servicing clients Australia-wide with prompt turnaround times.
Proven Results
Provide cost certainty and ensure no tax deduction opportunity is overlooked.
clients testimonials

“I urgently needed a schedule for an investment property to file my tax. They went out of the way and delivered my schedule with lightening speed saving me lots of $s"
Nishi Kant

"I used TDQS to prepare a tax depreciation report for a commercial property I bought in Queensland. I was very impressed by the level of detail in the report and the fact they were able to identify $193,946 of depreciation during their on-site visit."
Nick Bendel

“The services provided by Patrick and his team is exceptional. Truly diligent with prompt and precise depreciation schedules. Thank you Patrick and team!”