ABOUT US
Q Business Advisory (QBA) is a registered public practice firm with the Institute of Chartered Accountants Australia and New Zealand (CAANZ). We focus on solving complex cross-border tax compliance issues for our high-net-worth investment clients, as well as providing accounting, tax planning, and tax compliance services to individuals and local SMEs. Our client base ranges from real estate to global financial investments; from property development to construction; From dining, tourism, and entertainment to motels and World Heritage hotels; as well as lawyers, IT services, logistics, and many other industries. Using modern technology, the locations of our clients are not limited, our clients could be anywhere in the world, such as New Zealand, Australia, England, China, Singapore, etc.
We offer comprehensive accounting and tax services, such as:
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Tax compliances.
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Tax advice and business consultant.
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Business accounting and financial reporting.
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Cross-border and international tax advice.
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Tax risk assessment and Management.
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Virtual CFO and Professional Director
Our wide range accounting services cater to meet your special needs. Our team here are highly trained and dedicated to helping you (individuals and businesses) achieve your financial goals.
FOUNDER INFO
Kathleen
Kathleen is a qualified public practitioner endorsed by the Institute of Chartered
Accountants Australia and New Zealand. She has over 20 years of experience as a Business Advisor and more recently CFO across New Zealand and Australia with a track record of leading business development projects to success.
Before she founded Q-Business Advisory Chartered Accountant firm in 2013, she has been a financial professional for a variety of industries, such as banking, insurance, private equity investment, technology and accounting firm.
Kathleen’s technical and commercial acumen, as well as her vibrant leadership style, has brought positive outcomes for her clients and her firm. She is passionate about listening to the actual problem of her clients and taking deep analysis before she gives advice. Keeping herself in touch with the latest technology, she adopts modern technologies in producing accurate and fast work. She enjoys collaborating and helping business owners convert financial insight into specific actions and initiatives.
Not the typical boring bean counter, Kathleen is an engaging presenter who breaks down complex financial data into understandable information. She has actively participated in numerous business networks, such as BNI, Chamber of Commerce Auckland and a lover of golf.

AUSTRALIA PARTNER
Iris
Iris is a trusted advisor with over 16 years in Australian public practice. As a member of CPA Australia and a Registered Tax Agent with the Tax Practitioners Board, she helps individuals and businesses navigate Australia’s complex tax landscape with clarity, structure, and confidence.
Beyond her professional expertise, Iris is an appointed Justice of the Peace in New South Wales, regularly supporting her community through document witnessing and certification. This role reflects her commitment to integrity, fairness, and service — values she brings to every client engagement.
Known for her strategic approach and practical solutions, Iris doesn’t just manage numbers — she helps clients make informed decisions, protect what they’ve built, and move forward with certainty.

New Zealand Partner
KELSEY
Beginning her career as a graduate and progressing to become a Chartered
Accountant with Chartered Accountants Australia and New Zealand, her journey reflects steady growth, commitment, and a genuine passion for the profession.
Over the years, she has developed strong technical expertise across tax and
accounting, but what truly sets her apart is her thoughtful and solutions-focused
approach. She takes the time to understand each client’s situation, carefully working through complex issues and turning challenges into clear, practical outcomes.
Her path from graduate to Partner is a testament not only to her technical capability, but also to her dedication to clients, colleagues, and continuous improvement.
Calm under pressure, analytical in thinking, and approachable in style — she is the trusted problem solver clients feel comfortable calling when they need clarity and confidence.

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