Welcome to the Companies Registration Office Ireland

The Companies Registration Office (the CRO) is the central repository of public statutory information on Irish companies, business names, and limited partnerships

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Peak Filing 2026: 20 days to go

5 November 2026
November is the busiest time of the year for the filing of Annual Returns with the CRO. Session Time Out times in CORE will be reduced during Peak Filing, with sessions timing out after 10 minutes of inactivity to allow others to file. You can draft your Annual Return now, to be ready to submit
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Daily Processing Times 05/11/2026

5 November 2026
As of 05 November, we are processing submissions received on the following dates: -Ordinary A1 Online Scheme: 21 October 2026 -Fé Phrainn A1 Online: 29 October 2026 -RCN Company Name Reservations: 05 November 2026 -RBN1 Business Names: 20 October 2026 -B2 Company Address: 02 November 2026 Forms C1s, C1As, C1Bs, add F8s for the 04
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Peak Filing 2026: 21 days to go.

4 November 2026
Companies with an Annual Return Date of 30 September have a filing deadline of 25 November. We encourage you to file now to avoid queues in CORE. Published 04/11/2026
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