How to find a company's registration number in Ireland
Free, official, source-cited — updated 2026-06.
Search Company Records in Ireland
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How do I find a company's registration number in Ireland?
Search the company's name on CRO Ireland at https://www.cro.ie. The result page shows its registration number — the same identifier that appears on invoices, contracts, and government filings.
Step-by-step
- 1
- 2
Search by company name
Type the exact trading or legal name. Partial matches usually work; add the city if the name is common.
- 3
Copy the registration number
The registration number is displayed at the top of the entity profile. It is the authoritative ID for cross-referencing.
- 4
Confirm it's the right entity
Check the registered address and incorporation date to be sure you have the correct legal entity, especially for groups with similarly named subsidiaries.
Frequently asked questions
Where is a Ireland company's registration number published?
It appears on the entity's public profile in CRO Ireland (https://www.cro.ie) and must be quoted on invoices, contracts, and official correspondence.
Is looking up a Ireland registration number free?
Yes. Basic name-to-number lookup on CRO Ireland is free and does not require an account.
How do I search the Irish CRO?
Visit the CRO's CORE search system (core.cro.ie) and search by company name or number. Basic company details are free. Document images (annual returns, financial statements) can be purchased for a small fee.
People also ask about find a company's registration number in Ireland
The exact questions searchers type into Google — answered from the primary source.
Is the Ireland company register free to search?
Yes. Basic company lookups on the Companies Registration Office (CRO) are free — you can search by company name or registration number, view legal status, registered address and (usually) directors at no cost. Some jurisdictions charge a small fee only for downloading full filed documents.
What is the official Ireland business registry?
The Companies Registration Office (CRO) is the official public register of companies incorporated in Ireland. It is operated by the government and is the primary source cited on this page — https://www.cro.ie.
Where do I find a Ireland company's registration number?
Every registered Ireland entity has a unique registration number issued at incorporation. It appears on invoices, contracts, the company's website footer (often in a "legal" section), and prominently on its Companies Registration Office (CRO) record.
Is a Ireland registration number the same as a VAT number?
No. The registration number is the identifier issued by the Companies Registration Office (CRO) when the company was formed. The VAT number is a separate tax identifier issued (only if the company is VAT-registered) by the national tax authority. Many small companies have a registration number but no VAT number.
Related guides and tools
More Ireland guides
- Search companies by name
Find any registered company from a partial name — free, no signup.
- Search the company register
What the official register holds, and how to search it free.
- Search the business registry
Match a trading name to the registered legal entity behind it.
- Find the right entity
Tell apart several entities registered under near-identical names.
Ireland data
- Ireland company search
Search every Companies Registration Office (CRO) record.
- CRO Ireland guide
Companies Registration Office (Ireland)