The OA team is united by a dedication to accurate and efficient audit and tax services.
Learn more about the members of our team and what makes them stand out in the industry.
Ooi Wan Eng
Founder and Managing Partner of OA
Ooi Wan Eng
Bachelor of Accounting (Honours), University of Malaya
Chartered Accountant, Malaysian Institute of Accountants
Fellow member, Chartered Tax Institute of Malaysia (CTIM)
Fellow member, CPA Australia
Low Yeaw Seng
Low Yeaw Seng
Mr. Low is an Independent Non-Executive Director at a listed company in Malaysia, a fellow member of CPA Australia and Chartered Accountant of the Malaysian Institute of Accountants.
Mr. Low was previously employed as a Treasury Accountant by Ministry of Finance Malaysia.
He received his undergraduate degree from the University of Malaya
Low Hong Cun
Assurance Partner of OA
Low Hong Cun
Bachelor of Commerce (Accounting & Finance), Australian National University
Chartered Accountant, Malaysian Institute of Accountants
Chartered Accountant, Institute of Singapore Chartered Accountants
Member, CPA Australia
At present, the firm has around 80 staff. The group has more than 170 staff and has more than 30 chartered accountants and many graduates in accounting and also related fields of study.
Ng Yoke Lan
Tax Director of OA
Ng Yoke Lan
Ms. Ng has almost 30 years of experience specialising in corporate taxation and compliance for multinational and domestic businesses. Her expertise involves managing complex tax disputes, investigations, risk mitigation and regulatory changes.
Poo Chia Nee
Audit Director of OA
Poo Chia Nee
Bachelor of Accounting (Honours), Northern University of Malaya (UUM)
Chartered Accountant, Malaysian Institute of Accountants
Siah Ai Fung
Audit Director of OA
Siah Ai Fung
Bachelor of Accounting (Honours), Northern University of Malaya (UUM)
Chartered Accountant, Malaysian Institute of Accountants
Yeap Hiang Sun
Audit Principal of OA
Yeap Hiang Sun
Chartered Accountant, Malaysian Institute of Accountants
Member, Association of Chartered Certified Accountants (ACCA)
Johnson Chan Weng Hoe
Tax Principal of OA
Johnson Chan Weng Hoe
Johnson is a seasoned tax professional with over 20 years of hands-on experience in Malaysian corporate and personal tax, specialising in compliance, advisory, and dispute resolution across diverse industries.