The Only Dedicated Firm Of
Tax Advisors Specialising In
UK-Australian Taxation

Run by Australians for Australians

CST Tax Advisors London is the only dedicated firm of tax advisors that specialise in UK-Australia taxation.

Run by Australians for Australians, we understand the need private clients and middle market companies have for direct and practical advice. We provide expatriate individuals and international companies in the UK and Australia with integrated tax and structuring advice for both their home market and the international markets in which they operate.

Opportunities to save tax through
timely and proper tax advice

Cross-border taxation is a complex area of law. Many people don’t know that just moving money creates potential tax
exposures. As an example, did you know that bringing capital into the UK following your move could see you taxed?
It is critical that proper tax advice is received prior to relocating to or from the UK/Australia.

  • Tax Returns

    HMRC can impose significant penalties for late filing of tax returns and for a failure to notify HMRC if you have a liability to UK tax, you must notify HMRC within six months of the end of the tax year (by 5 October) so that a return can be issued to you. Penalties can be imposed for failure to notify.

  • Expats moving to the UK

    The UK tax system for expats moving to the UK is complex. In addition to tax compliance obligations that must be met, further tax advice is necessary to comply with tax, social security and filing obligations and to take full advantage of tax reliefs available for expats.

  • Pension and Superannuation Transfers
    Are you working in the UK and looking to move to Australia?

    Did you know that – as a result of controversial changes in the law - you
    could lose over HALF your
    hard-earned UK pension money to
    tax, if not structured correctly when
    it's transferred to Australia?

    CST can help you avoid the 55% tax.

  • UK residency and
    Do you know the tax rules relating to “domicile” and residency?

    The non-domicile and residency rules are complex. It is important that proper planning is done prior to moving, including keeping separate bank accounts for foreign income and capital.

    If you are moving to the UK and want to access overseas capital, CST can help ensure that these funds are not subject to UK tax.

  • UK company disclosure requirements
    Do you have an interest in a UK company? From April 2016, UK companies must maintain a publically available register of people who have significant control over the company.

    If a company fails to comply, it will commit an offence and every company officer could face fines.

Contact Us Now To Avoid Costly Compliance
Penalties You May Not Even Be Aware

Contact us


    Bradley Murphy


    Brad is an Australian Tax Lawyer specialising in providing international tax advice and compliance to Australian and international companies and individuals.

    Brad joined CST Tax Advisors in 2016 as a director of our London practice. Brad has extensive international tax experience gained by working at both big 4 accounting firms and multinational corporations, Qantas and Lend Lease. Brad’s specialist areas of expertise include tax efficient structuring, cross-border financing, transfer pricing, mergers and acquisitions and relocation advice...

    Brad has significant experience in providing tax advice to Australian and foreign corporations and individuals in relation to Australian tax issues and relocating into foreign jurisdictions. Brad has advised clients on Australian and international tax matters associated with tax residency, capital gains tax and advice on outbound and inbound taxation matters.

    Brad holds a Bachelor of Commerce and a Bachelor of Laws from the University of Adelaide. He is an admitted solicitor in the Supreme Court of NSW.

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  • John Marcarian


    John Marcarian is a Chartered Accountant with over 25 years experience.

    John commenced his accounting career with a Arthur Young in 1983 and thereafter Duesburys and Deloittes.

    During this time John advised many listed and unlisted corporate clients. His specialization included international tax, capital gains tax, superannuation and corporate tax. A specialist in global private client tax and international business expansion, John is a sought after speaker on tax and business matters and regularly presents to business groups around the world..

    In 1992 John established CST Tax Advisors and since then has developed extensive experience dealing with global expatriates and business entrepreneurs

    In 2004 John established the Singapore Office of CST Tax Advisors. From his base in Singapore John is regularly sought out by leading global private banks for his strategic tax strategies and responsive approach to client matters.

    John won the Price Waterhouse Prize for Tax Law at Macquarie University. He has presented tax seminars for the Standard Chartered Private Bank, Singapore, ANZ Bank, Singapore & Hong Kong, AustCham Singapore and AustCham Hong Kong, and numerous professional bodies in the United States and the United Kingdom including Australian American Association and Advance and Australian Business.

    In 2007 John was awarded the degree of Master of International Taxation at the Australian School of Taxation (ATAX). John won the John Raneri Memorial Prize for the best performance by a graduating student in the Master of International Taxation Program.

    John has had a number of articles published in the Tax Specialist, a publication of the Tax Institute of Australia;Charter, a publication of the Institute of Chartered Accountants of Australia; and the Tax Yearbook, a publication of the International Tax Planning Association.

    Most recently John has published two books ‘Expatland‘ which is aimed at assisting potential global expats plan their move and ‘The CST Way‘ a professional services for Global Accounting Firms.

    John is a Member of the Singapore Institute of Accredited Tax Professionals, the Institute of Chartered Secretaries in Singapore and is a member of the Institute of Chartered Accountants and the International Tax Planning Association.

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Have a tax question?

We care. CST’s guiding philosophy is to understand and have empathy with our clients while providing specialist professional tax advice and services. If you need integrated cross border tax advice and compliance our renowned team is able to help you.

Question - Tax Specialists

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