Our firm provides Australian international tax advice to Australian expats and businesses. We are expat tax accountants that provide Australian expat tax advice and accounting services. We are your trusted international tax advisor.


We specialise in assisting US expats with integrated US and Australian international tax advice and also UK expats with integrated UK and Australian tax advice.


We prepare Australian expat tax returns and business tax returns.


Our focus is on delivering personalised tax advisory and tax compliance services.


We are also Australian and international tax lawyers and therefore can provide tax legal advice and legal opinions to our clients. Our firm is also a registered UK law firm.

Our Services

International Tax

  • Strategic and integrated international expat tax advice
  • Australian expats relocating overseas
  • Australians expats returning back to Australia
  • International Expats moving to Australia
  • Australian businesses expanding overseas
  • Foreign companies moving to Australia
  • Personal and business tax returns
Tax Residency

  • Confirmation of Australian tax residency position
  • This is a complex area of the law and subject to scrutiny by the ATO
  • To determine whether you are an Australian or foreign resident, and therefore liable for Australian tax, you should seek legal confirmation of your residency status
ATO Audits and Objections

  • Making a Voluntary Disclosure
  • ATO Objections
  • ATO Amendments
  • ATO Debts
  • Attending ATO Meetings
  • ATO Private Rulings
Tax Structuring

  • We can assist in respect of tax structuring and tax planning for you and your business
Estate Planning and Asset Protection

  • We can assist with your estate planning and business succession requirements to ensure it is structured in the most tax efficient manner
Start-up and Employee Share Plans

  • We can assist in relation to structuring your company's employee share plan and also ensure that as an employee you qualify for the employee share scheme concessions. We will structure the share plan in the most efficient tax manner.
  • We can ensure your employee share plan is designed so that it qualifies for the start-up employee share plan concessions. The benefit of the employee share plan start-up concession is that the tax is deferred to the time of the ultimate sale of the shares rather than at the time the shares are issued.
Mergers and Acquisitions

  • We can assist to ensure the transaction is structured in the most efficient manner from a tax perspective and also conduct due diligence reviews to assess the tax risk in respect of the transaction.
UK Tax Advice

  • We have also have experience in UK tax law, in particular the UK domicile/residency rules and UK inheritance tax laws.
  • Bradley spent several years working in London advising Australian expats and companies in London in respect of their UK and Australian tax obligations.
US Tax Advice

  • We have experience in US tax law and US tax compliance obligations, in particular Australia and US tax structuring and dealing with the IRS.
  • We can assist with the help from our US partner firm to ensure you receive the most practical advice.
Personal Income Tax Returns

  • We are able to assist with the preparation and review your Australian, UK and US tax returns through our partner firms in the UK and US
Company Income Tax Returns

  • We are able to assist with the preparation of company tax returns

Our Partners

Bradley Murphy


Solicitor of the Supreme Court of NSW
Member of the Law Society of NSW
Registered UK Foreign Lawyer SRA
Bachelor of Laws and Commerce (Accounting)
Registered Tax Agent.

Bradley is an Australian tax lawyer with 15 years tax experience gained working in Australia and London.

Bradley's experience most recently includes working as a Director with Deloitte tax. Prior to this, Bradley worked with KPMG and in the in-house tax team of Qantas Airways. Bradley's clients includes Australian and international businesses, expats and families.

During his time working in London, Bradley advised a range of Australian and UK expats relocating to Australia or to the UK, and also businesses looking to expand into the Australian and UK markets.

Bradley has significant United States tax experience and provides integrated US and Australian tax advice to clients and understands the issues faced by US citizens abroad.

Bradley used his extensive Australian and international tax experience to start his own tax law and expat tax firm to best serve his clients. He enjoys listening to and understanding each client's individual circumstances and requirements and helping them achieve their goals.

Darren Catherall


Solicitor Supreme Court of Queensland
Solicitor High Court of Australia
Bachelor of Business (Accounting)
Juris Doctor Hons.

Darren is an Australian tax lawyer with over 17 years tax experience working for government (ATO) and private practice. Darren’s tax experience includes working as a Director at Deloitte Private tax and the ATO.

Prior to this Darren has worked in the tax and legal teams at Pitcher Partners, EY and Deloitte London (UK).

Darren currently advises individual clients (Australian high net worth families and expats), and also clients in the areas of property development, retail, hospitality and consumer business.

Darren’s particular focus is resolving disputes with the ATO, tax planning, tax structuring and tax optimisation strategies.

Together our directors offer exceptional service to all of our clients. We enjoy helping our clients achieve their financial and taxation goals.

Our firm was established as a specialised Australian international tax accounting firm and law firm. We understand the complexities faced by Australian expats and businesses in dealing with multiple tax jurisdictions. Clients value our experience in dealing with different tax systems.

Our valued clients come from all around the globe. We have the right experience to ensure you receive the best international tax advice that is tailored for your personal circumstances.

At Murphy Tax, we understand that in today’s interconnected world, individuals and businesses are increasingly engaging in cross-border transactions. Navigating the complex web of international tax regulations and optimising your tax strategy is essential for success. That’s where our International Tax Advisory Services come into play.

Our team of experienced tax professionals specialise in helping clients in Australia and overseas streamline their international tax affairs. Whether you are an expatriate, international business or a foreign investor, we provide tailored solutions to help you achieve your goals.

Contact us today to discuss how we can help you achieve your objectives.

Please also visit our blog for the latest international tax advice, news and updates.