Is filing a tax return necessary if my company did not gain any profits for the year? September 22, 2017 Yes. Singapore companies are required to file a tax return annually. Suggested Readings What is the difference between a resident and a non-resident Singapore company? Are all start-up companies eligible for Start Up Tax Exemption (SUTE) even if all shareholders are foreigners? If my company does not qualify for full tax exemption, is there any other tax exemption we can get? What are the capital gain tax rates in Singapore?