Companies Registries Office

Welcome to the

Companies Online Registration Environment

You can use CORE to:

Check the status of your companies
Receive notification of filings for companies in your portfolio
Receive notification of changes in the status of those documents
Watch your companies
File documents online
CORE Registration Form Forgot Login Details Language: English/Gaeilge
Important Information

CRO Digital Transformation – Key Dates

CRO will launch a new CORE Portal this month. The following is a list of key dates that apply. For further queries or clarifications please email

07 December 2020 - Cut Off Date for the Receipt of Signature Pages

10 December 2020 - Cut Off Date for the receipt of electronically signed C1/C1A/C1B/F8/F8A/F8Bs

11 December 2020 – CRO will begin transition period to new system

16 December 2020 – CRO Go-Live

16 December 2020 – Legislation to facilitate the “56 day” timeline for filing B1 Annual Returns will come into force

Email Contents
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