1. Most companies need to plan around (1) closing their accounts and preparing financial statements, (2) filing the Annual Return with ACRA, and (
  2. 3) meeting IRAS tax touchpoints like ECI (if applicable) and the annual corporate tax return. The exact dates depend on your financial year end and the filing requirements that apply to your company. The simplest approach is to set your year-end first, then work backwards to create a single calendar.