Our People


Based in our Perth office, Simon Harcombe is a principal in the Tax Services division providing specialist R&D tax incentive consulting services. 

With a career spanning over 15 years, Simon has provided R&D tax advice to a range of industries across Australia including resources, technology and biotechnology. Simon joined RSM in 2013 following roles in various tax incentive groups for international accounting firms.

Simon complements his R&D tax knowledge with experience in corporate finance on major infrastructure projects. Simon Harcombe


Simon offers a comprehensive understanding of the R&D claims process and is able to provide advice on a range of related issues including:

  • Calculation of eligible R&D expenditure;
  • Analysis of complex R&D tax issues and preparation of detailed tax advice;
  • Reviews for clients with the regulators; and
  • The implementation of R&D management practices.
  • The R&D tax eligibility criteria;
  • The process of conducting project interviews and gathering appropriate information to assess, prepare and support R&D tax incentive claims; and
  • Preparation of appropriate R&D registration documentation.

Significant projects

Simon has successfully managed complex and high value projects including management of the R&D claims of multiple multi-national resources companies.

Simon has experience supporting large mining companies with regulator reviews as well as assisting first-time R&D claimants to prepare for and commence annual R&D claims.

Simon is able to readily identify and manage R&D claim risk issues and provide mitigation plans.

Simon works collaboratively and maintains a large network of related contacts. This enables him to assist clients with access to providers of finance in relation to the R&D Tax Incentive and other relevant services.

Simon is an advocate for innovation and maintains strong industry connections; he is able to provide advice and assistance to clients seeking access to a range of innovation support programs and grants.


  • CPA Australia


  • CPA
  • Bachelor of Commerce, Accounting and Finance (Curtin University) 
  • Bachelor of Science, Environmental Health (Curtin University)

Case Study: CleanSubSea

26 July 2022
On a mission to protect marine biodiversity and combat climate change, the innovative team at CleanSubSea has developed a unique, new, in-water hull cleaning technology for the maritime, oil and gas, and defence sectors. Based in Perth, Western Australia, the company’s Envirocart™ system fully cleans, captures, contains, and filters biofouli...

Tax Insights | February 2022 edition

1 March 2022
In our February 2022 edition of Tax Insights, we explain the Patent Box Regime, take a look at the ATO's tailored approach to future engagement with the Top 100 taxpayers, and more.

R&D Tax Incentives Update

15 February 2022
Over the course of another dynamic year, we have seen a number of developments related to the Research and Development Tax Incentive (R&DTI) including the commencement of the new R&D Tax offset rates from 1 July 2021 and the finalisation of the Temporary Full Expensing measures. Furthermore, planning of a new Patent Box regime has seen l...

Tax Insights | April 2021 edition

28 April 2021
The latest tax updates for you and your business | April edition Keep up to date with the latest Australian and International tax news from our market-leading experts.

How junior explorers can use tax incentives to boost cash reserves

8 April 2021
There is no question that despite the past year’s wild COVID-19 ride, Australia’s junior mining explorers have flourished in a market hungry for new mineral discoveries. Increased attention in the junior space has been driven by rising gold prices due to COVID-19 uncertainty, as well as an increase in the iron price as China’s manufacturin...

Taxation Determination TD 2020/D1 release creates issues

6 August 2020
In a move that is sure to cause headaches for companies claiming the R&D Tax incentive, the ATO published draft Taxation Determination TD 2020/D1 Income tax: notional deductions for research and development activities subsidised by JobKeeper payments on 27 July 2020 (TD 2020/D1); it is open for feedback until 24 August. W...

R&D year end planning during an unprecedented time

15 June 2020
In what has been an unprecedented year so far around the world, business and life in Australia have never been more different. At a time when there is economic uncertainty and cashflow is critical, it is more important than ever to plan for the R&D Tax Incentive and to ensure robust documentation is in place to secure much needed R&D f...

Change, risk and opportunity: R&D tax claims in the mining and resources sector

11 May 2020
With so much change impacting business, we present a summary for the mining and resource sector highlighting issues that could impact (some positive) their current and future R&D tax claims. We explore recent industry applicable changes, implications of case law and identify risk and opportunity in the resource sector for R&D tax incenti...

The Moreton Resources Case - R&D tax incentive in Australia

26 March 2020
The Moreton Resources Case – Finally certainty amongst the uncertainty for the R&D tax incentive in Australia, but only if you know how to find it.   The morning of Thursday, 25 July 2019 became a significant day for the R&D tax incentive in Australia, as the landmark decision of Moreton Resources Ltd v Innovation and Sc...