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? What tax incentives will I enjoy if I were to register a subsidiary company rather than a foreign branch? Where should I file my company’s annual accounts?