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How long can a new company's first financial year be?

A company's first financial statements must be prepared within 18 months of incorporation (section 248(1)(a) of the Companies Act 2016), so the first financial year can be longer than 12 months only within that limit. Later statements are due within six months of each year end.

The first financial year of a newly incorporated company starts on the date of incorporation. Unlike later years, it need not be exactly 12 months, but the Act sets a deadline that limits how long it can sensibly be.

  • Section 248(1)(a): the directors must prepare the first financial statements within 18 months from the date of incorporation
  • Section 248(1)(b): after that, within six months of each financial year end
  • Section 267(3)(a): for a private company that needs an auditor, the board appoints the first auditor at least 30 days before the end of the period for submitting the first financial statements to SSM

Typical approach:

  • Pick a financial year end that works for the business (see the question on choosing one)
  • The first year runs from incorporation to that date
  • For tax, the first basis period begins when the business begins, and LHDN will expect a return covering it

Example: a company incorporated on 10 March can choose 31 December as its year end. The first financial year then runs from 10 March to 31 December of the same year (under 10 months). A year end of 30 June of the following year gives a first year of about 15 months, but the statements must still be prepared by 10 September of that following year. A year end of 31 December of the following year would fall after that 18-month limit.

Points to remember:

  • Bookkeeping duties begin from incorporation, even before trading
  • Financial statements must still be prepared for a dormant first year
  • A longer first year means a bigger first set of accounts, so keep records tidy from day one
  • Companies Act 2016, s.248(1)
  • Companies Act 2016, s.267(3)(a)

Sources

Applies to 2026 · Last reviewed 29 October 2026

General information for business owners, not legal, tax or professional advice. Rules change, so check the sources or ask a licensed professional before you act.

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    How long can a new company's first financial year be? | OCTIS