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 NewsDaily Processing Times 13/11/2025
13 November 2025Published 13/11/2025
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Revenue System (ROS) Maintenance 22/11/2025
13 November 2025Please be advised that Revenue will be conducting scheduled system maintenance on Saturday, 22nd November 2025, from 1:00 PM to 9:00 PM. During this period, Revenue’s ROS (Revenue Online Service) signing functionality will be unavailable. If you need to submit a filing during this timeframe, we suggest using the signature page upload option on CORE
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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
