The four beats

StepDeadline (book year = 2025)
Board prepares the accountsWithin 5 months: by 31 May 2026
General meeting may extendBy at most 5 months: to 31 October 2026
General meeting adoptsWithin 2 months after preparation
Filing at the KVKWithin 8 days after adoption

The absolute limit: filed within 12 months after the end of the financial year — 31 December 2026 for book year 2025, whatever the internal timeline did.

The one-shareholder shortcut

Where all shareholders are also directors, signing the prepared accounts counts as adoption in many setups — which starts the 8-day filing clock immediately. Diaries around this rule keep single-DGA companies out of accidental lateness.

What filing late costs

Late filing is an economic offence and — sharper in practice — a ground for director liability in a later bankruptcy. The filing itself is small; the discipline around it is the point. What goes into the filing per size class: filing annual accounts; the year in one view: the BV compliance calendar.

Where this leads

Alongside this belong What a Dutch BV Costs to Run Each Year (2026) and Filing Your BV’s Annual Accounts with the KVK.