Trust Entrusted
We hold the confidence our clients place in us as our most important asset, and protect it with integrity, confidentiality and professional care.
About Us
Quinnum CPA & Co. — Trust Entrusted · Prosperity Cultivated
Who We Are
Founded in 2026, Quinnum CPA & Co. (“Quinnum”) is guided by its core purpose: “Trust Entrusted · Prosperity Cultivated”. Anchored in professionalism, rigor, and efficiency, we specialize in delivering professional services — including Audit & Assurance, Tax Planning, and Financial Advisory — for Hong Kong small and medium-sized enterprises (SMEs).
The founder of Quinnum brings years of extensive practicing experience, encompassing audits for public companies listed in Hong Kong and the United States, U.S. IPO audit projects, and financial audits for local SMEs. As a Hong Kong-based firm with a global perspective, Quinnum integrates international auditing standards with local commercial practice. We craft forward-looking, customized solutions that empower clients to achieve sustainable operations and exceptional growth in an increasingly competitive business landscape.
Kowloon, Hong KongBased at NCB Innovation Centre, Lai Chi Kok
Audit · Tax · AdvisoryFull-suite CPA services under one roof
Long-term PartnersWe grow together with our clients
Our Values
The two words behind our tagline.
Prosperity Cultivated
We work alongside our clients year after year, cultivating steady, sustainable growth through sound financial stewardship.