Sienna Jiang is the Founder and Managing Director of Infinity Solution Tax Plus, a Chartered Accounting firm dedicated to helping clients stay financially organised while achieving their business, financial, and personal goals.

A Certified Public Accountant (CPA) with over 10 years of experience in accounting and taxation, Sienna brings broad and in-depth expertise in tax compliance, business advisory, financial reporting, and strategic tax planning for individuals and small businesses — including significant experience working with professionals in the medical field.

She works closely with clients to deliver tailored solutions in tax structuring, business strategy, and long-term planning. Her holistic approach combines practical guidance with personalised support, helping clients simplify compliance, drive growth, and reach their goals with confidence.