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02 9526 1211

When best can always be better.
Accountants & Advisors
for successful business owners.

We believe that businesses are simply a tool to help individuals grow their wealth and achieve their financial goals. Our experience and expert knowledge in the latest tax regulations allow us to assess your overall financial position

—helping you build your business, reduce your tax and grow your wealth.

We’ve made some changes to the way we are conducting our business over the last year with confidence and the support of Sullivan Dewing. We now understand our financial reporting so much better and know how to use our business reports to make decisions. Our renewed focus has made our team so much happier—they are working towards targets and are rewarded for achieving them. We are now much more financially well organised than 12 months ago, both personally and in our business, and we love it!

- Leanne Haining

Accounting &
Taxation

Maximise Profit & Minimise Tax

Business Building &
Advice

Profit & Proactive Advice

Superannuation &
Wealth Creation

Superannuation & Wealth Creation

We are here to help you to
build your business, reduce
your tax and grow your wealth.

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Celebrating Terry Dewing

After more than 53 years with Sullivan Dewing and over 50 years as a Chartered Accountant, our Founder, Terry Dewing, has officially retired. On 1 July, our team had the privilege of celebrating Terry with a special luncheon, joined by his wife, family and the people who have worked alongside him, learned from him and been shaped by his leadership. Terry’s career has been extraordinary. Not only for the businesses he has helped build, the clients he has guided, or the contrib

Important Client Notice: New AML/CTF Requirements from 1 July 2026

IMPORTANT CLIENT NOTICE New AML/CTF Compliance Requirements from 1 July 2026 From 1 July 2026, a range of Australian professional service providers including accountants, lawyers, solicitors, and real estate agents will be subject to new Anti-Money Laundering and Counter-Terrorism Financing (AML/CTF) laws. As a result, Sullivan Dewing will be regulated by AUSTRAC and, in certain circumstances, will be required to verify the identity of clients before providing specific

Contact Us

387 Port Hacking Rd South,

Caringbah NSW 2229

PO Box 815, Caringbah NSW 1495

Office Hours: 8:30AM - 5:00PM

Phone: (02) 9526 1211