Maintenance Notice: Please note that both CORE and the RBO will be unavailable tomorrow, Saturday 13th September 2025, between the hours of 15:30pm to 19:30pm, due to a crucial systems update. We would advise you to save all work you are carrying out on the systems before this maintenance starts. We apologise for any inconvenience caused.
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 NewsMaintenance Notice: CORE and RBO
12 September 2025Please note that both CORE and the RBO will be unavailable tomorrow, Saturday 13th September 2025, between the hours of 15:30pm to 19:30pm, due to a crucial systems update. We would advise you to save all work you are carrying out on the systems before this maintenance starts. We apologise for any inconvenience caused. Published
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Essential Server Maintenance Notice
9 September 2025Due to essential server maintenance, CORE and the RBO will be unavailable from 17:30 pm to 19:30 pm, this evening, Tuesday 9th Sept 2025. Please ensure you save all work on the system before 17:30pm. Published 09/09/2025
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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
