Running a business in Australia demands more than a compliant tax return. It requires a financial partner who understands your industry, anticipates challenges before they become costly, and brings the strategic clarity of a senior CFO — without the overhead of a full-time hire.
That is exactly what Quantum House provides. Based in Sydney, our team of experienced accountants, tax advisers, and auditors has helped SMEs, investors, and high-net-worth individuals across Australia manage their finances with confidence since 2010.
Our senior accountants bring years of experience from Australia’s largest firms — yet we operate with the personalised attention and competitive fee structure of a boutique practice. From R&D tax incentive claims and QBCC compliance to SMSF administration and international trade support, our specialist capabilities are rarely found under one roof at this level.
Why Choose Quantum House?
- Senior-level expertise from practitioners trained at Australia’s largest accounting firms
- Specialist services: Outsourced CFO, R&D Tax Incentive, QBCC, SMSF, and International Trade
- Fixed-fee service packages with no hidden costs for SME clients
- Industry-specific experience across 11 sectors including construction, medical, childcare, and hospitality
- Proactive advice — we identify opportunities and issues before they affect your bottom line
- Xero Certified Advisers providing cloud-based bookkeeping and real-time financial visibility
Whether you are a start-up preparing your first BAS, a $50M business seeking a fractional CFO, or a construction firm maintaining your QBCC licence — Quantum House has the team and the experience to support your next stage of growth.
Our Professional Services
Explore our comprehensive suite of professional services tailored to meet your financial needs
What Our Clients Say
I have been very lucky to encounter the services of this team. They are honest, reliable & efficient. Although my business is small, my tax affairs with the ATO were in a mess & I felt rather embarrassed – however, I was treated with the utmost respect, caring & attentiveness. The mess was cleared up & things resolved to a much better state and in a much faster timeframe than I could ever have imagined possible! The service I received made me feel that I was a person rather than just a client. Mr Ben Youn in particular is a rare breed of men with a sense of honour, dignity & compassion. I would highly recommend the services from Ben’s team.
The ATO contacted us regarding an issue they had identified with our tax returns from nearly four years before. It was an extremely stressful time for us as it involved international and investment tax queries that we simply could not understand and the ATO was adamant that we owed a very large sum of money that we simply did not have available. When we contacted Australian Tax Experts and spoke to Ben and his team we immediately felt reassured that we and our tax issue were in very capable hands. The people at Australian Tax Experts are extremely knowledgeable and dedicated to achieving the best possible outcomes for clients, which is what they did for us. They rectified everything with the ATO and we ended up owing a lot less than what was originally being sought after.
Ben is a top-notch tax expert, and I am not saying it because he is well-knowledgeable on foreign income. His customer service and professionalism was excellent especially when the deadline for submitting my income tax returns was near. He replied to all my queries whether it be minor or major, with patience and asked the right questions which were necessary for the paperwork. Also impressed with the way he organised the contract, and forms. He managed to get everything done in one week, which was amazing if you think about it – he exceeded my expectations. He also followed up over email, about the status of the income tax returns. In short, I highly recommend him if you ever get stuck/lost while trying to lodge income tax return especially if your income comes from another country than Australia and the deadline looms near. Thumbs up to Ben!
Extremely pleased with all aspects of my contact and service received from this team. At all times I have found them to be very professional, astoundingly prompt, reliable and honest. Most importantly I found the work conducted for me excellent – second to none. They are very precise, proactive and efficient. I would have no hesitation in recommending to anyone. In addition to this, they are very genuine, pleasant and polite people. I will be continuing to utilise their services long into the future.
