Wing Man Choy

Hong Kong Institute of Certified Public Accountants operates under the professional accountant’s ordinance and works in the public interest. It offers CPA qualification programme and promulgating financial reporting, auditing and ethical standards in Hong Kong. The company was founded on January 1, 1973 and is headquartered in Hong Kong.

Information Systems Audit & Control Association, Inc. provides information system and audit control services. The firm offers tools and solutions for all enterprises that use information systems. The company was founded in 1960 and is headquartered in Rolling Meadows, IL.

The Institute of Internal Auditors is an international professional association that serves over 235,000 members and has awarded more than 190,000 certified internal auditor (CIA) certifications worldwide. The non-profit company is based in Lake Mary, USA and has subsidiaries in more than 170 countries and territories. Established in 1941, the IIA is recognized throughout the world as the internal audit profession's leader in standards, certifications, education, research, and technical guidance. Anthony J. Pugliese has been the CEO of the American company since 2021.

Part of Deloitte LLP (New York), Deloitte Touche Tohmatsu (Hong Kong) is a Chinese company that provides accounting services. The private company is based in Hong Kong, Hong Kong.