FAQs / Is income taxable as a visiting lecturer or speaker? “I am invited by a government body/Ministry in Singapore to conduct seminars/workshops in Singapore. Is my income taxable?” You will be taxed on the income derived from Singapore unless it is exempted from tax. Posted in: Personal Tax FAQs Suggested Readings What is Taxable Supply? What is Taxable Turnover? Tax exemption for visiting professionals Do I need to pay tax in Singapore as a visiting professional?