Forensic accounting.

As experienced accountants, we can assist with services relating to economic loss, risk assessments, family law, estate litigation, fraud investigations, commercial litigation and a range of legal disputes.

Our comprehensive services include.

Sometimes a deeper look is needed. We can help with complex business litigation and identify account irregularities.

Work with complex information

Reconstruction and analysis of accounting records are available.

Accurate forecasting

We can assist with quantifying economic loss and damages following external events.

Know where you stand

Get reports for projected loss, revenue or profits in contractual and other disputes.

Solid accountability

We can identify and collate accounting and other evidence for negligence actions.

Provide accurate legal requests

Get pre-litigation advice relating to financial issues for court proceedings.

Prove your business worth

We will expertly craft solvency reports to prove your case in court.

Pay and get paid

We help calculate royalties and franchise fees, so you get what's owed or pay what you owe.

Provide accurate references

We offer insurance-related litigation and claims consultancy for financial hearings.

Leading forensic and investigative accounting firm.

As chartered accountants, we provide a highly trained and experienced team that can manage all areas related to financing. Yet sometimes, you require more than standard accounting. Fortunately, we offer specialised forensic accounting support for all our valued clients when the need for a closer look arises.

The Rothsay forensic accounting team will assist you with specialist legal and financial matters such as irregularities, risk assessment, economic forecasts, family law, and estate litigation. We can also help with many other legal disputes that can arise from the financial aspects of personal wealth and business.

Our team will use its best abilities to support you through complex legal strategies if need be. In addition, our specialist forensic accounting team offers expert activities relating to the reconstruction and analysis of account records, quantification systems for revenue, profit and loss, and financial negligence identification.


Experienced, dedicated, knowledgeable chartered accountants.

Our dedicated, experienced team of chartered accountants provides efficient, bespoke accountancy services to a diverse range of clients in Sydney, Perth and beyond. Our mission is to prioritise customer service and establish enduring relationships with our clients. We strive to ensure that every customer would be comfortable recommending our services to others.

We have extensive experience in working with clients across several industries and our team comprises professionals with broad interests and expertise. Working together, we provide customised solutions and services that are tailored to the needs of the customer.

A reliable, reputable accounting firm you can trust.

Rothsay Chartered Accountants is a full-service accounting firm, which has established a reputation based on reliability, efficiency and attention to detail. We are committed to helping you to achieve your business objectives. We take the stress out of managing finances and making financial decisions.

We have extensive experience as a team and we understand what it takes to remain agile and adaptable in the world of modern business. We work with our clients to solve problems, identify effective, tailored solutions, facilitate growth and development and support ambitions. We want to make a positive difference.

Rothsay Chartered Accountants was established in 1991. Our goal was to provide clients with exceptional services that offer more than conventional accounting. Our culture and ethos are based on developing relationships, which stand the test of time, understanding our clients’ needs and preferences and being there to support our customers.

We take great pride in the relationships we have with our clients and we believe that paying attention to our customers is what sets us apart. We take the time to get to know each client and we draw up and implement strategies that are targeted to the individual company or customer. Maintaining relationships is integral to our success.

What our clients say.


I’ve been with this top accounting firm in Sydney for over 20 years and their tax advice, professionalism, quality of work and accounting services are always outstanding. As owners of various businesses, Rothsay have always been part of our team of trusted advisors and consultants.

Greg Dwyer

I have appreciated the professional support and high quality advice I have received from Alex Petrakis and the team at Rothsay Chartered Accountants for more than a decade. Genuinely great, helpful folks who always go the extra mile. Can’t recommend them more highly.

Ken Mortlock

Have used Rothsay Chartered Accountants for a number of years. Always competent, very professional and a pleasure to work with. They have assisted in a number of areas especially in dealing with tax issues and the ATO – and I highly recommend their services.
“Our Company and family have been clients of Rothsay Chartered Accountants for over 25 years. We have always appreciated the professional and personal service provided by Frank Vrachas and his team. Their broad and up to date expertise as well as the accounting, financial and business advice we receive has been invaluable. We can confidently recommend Rothsay.”

Rick de Leeuw

Managing - Director - Astral Scientific

Sydney Office

Perth Office

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