Planned system maintenance notice (1): The RBO Customer Portal will be unavailable for a period of time from 17:30 on 28/08/2025. Please save all work you are carrying out on the system before this maintenance starts.
Planned system maintenance notice (2): CORE will be unavailable from 17:30 for a period of time on 29/08/2025. Please save all work you are carrying out on the system before this maintenance starts.
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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Latest News
See All NewsPlanned system maintenance notices
26 August 2025Planned system maintenance notice (1): The RBO Customer Portal will be unavailable for a period of time from 17:30 on 28/08/2025. Please save all work you are carrying out on the system before this maintenance starts. Planned system maintenance notice (2): CORE will be unavailable from 17:30 for a period of time on 29/08/2025. Please
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Daily Processing Times 25/08/25
25 August 2025 Learn More
What We Do
– The Companies Registration Office is the central repository of public statutory information on Irish companies and business names.
– The CRO operates under the aegis of the Department of Enterprise, Tourism and Employment.
Our Main Functions
The CRO’s core functions include:
– The incorporation of companies
– Enforcing the filing obligations of companies
– Making information on companies publicly available
– Registering Business Names and Limited Partnerships
