International PTA Limited specialises in professional certification and training programmes. Its portfolio includes the PTA-ATHE® International Payments for Tax Agents, the PWTS® Private Wealth Tax Specialist and Private Wealth Tax Strategist, the WWPS® Workplace Wellbeing and Psychological Support Specialist, the ATHE Level 7 Diploma in Workplace Wellbeing and Psychological Support, and the IEAIE® Embodied Artificial Intelligence Engineer. The company also provides consultancy in strategy and innovation management, private wealth tax advisory services, and related professional services.

Its principal markets include Mainland China, Hong Kong SAR, Macao SAR, Singapore, Vietnam, Malaysia, Indonesia, the United Arab Emirates, the United Kingdom and the United States.

Together with its partner institutions, International PTA Limited has delivered online and in-person training to nearly 50,000 participants through programmes including CCPA (Skills for Payments and Tax Agents) and PTA. It has also provided consultancy services to companies across a wide range of industries, including artificial intelligence, biotechnology, integrated circuits, new energy, human resources, healthcare and game development.