Largest Ireland Companies
Company register search for 813,247 Ireland companies, plus shareholder, officer and beneficial ownership records sourced directly from official government registries.
Ireland company register data lives with the CRO (Companies Registration Office) under the Companies Act 2014, listing shareholders, shareholding percentages, and directors through the CORE portal. Ireland closed public access after the November 2022 CJEU ruling, leaving only entity name and UBO count visible to the public, at a threshold of more than 25% of shares, voting rights, or ownership interest. Access now runs three tiers: competent authorities unrestricted, AML-obligated banks and professionals via portal login, and legitimate-interest applicants who had zero approvals since public access ended. RBO data is verified directly against Revenue's PPSN database; CRO shareholder data is not verified the same way, so resolving the chain to a natural person means repeating manual tracing for every shareholder entity, in every jurisdiction it touches.
Ireland beneficial ownership guideTop Companies in Ireland
Live from the register. Every row opens the full record — officers, shareholders and resolved group structure.
Data Coverage
Record counts by data layer for Ireland, as of the last reconciliation.
Analysis
What this data actually tells you about Ireland
Ireland’s beneficial-ownership register (the RBO) has been effectively closed to open verification since access was restricted to demonstrated ‘legitimate interest’ by legislation passed in June 2023. In practice, that legitimate-interest route has granted almost nothing since 2022, and a published framework with defined eligibility criteria for that access isn’t expected until 2026-2027, as part of the EU’s wider AML Single Rulebook (Regulation 2024/1624) taking direct effect by 10 July 2027. Every Irish company is still required to file its beneficial-ownership information within five months of incorporation, filed online only — the obligation to disclose remains, even though the ability to verify it independently doesn’t.
The underlying business population is heavily weighted toward the smallest entities: of 401,359 active enterprises in the business economy in 2023, 92.6% had fewer than 10 employees, and SMEs overall (under 250 employees) made up 99.8% of all enterprises while employing 66.9% of the workforce. Foreign-owned multinationals are the striking exception to that pattern: just 12,579 of them — 3.2% of all Irish enterprises (2022 data) — sit in sectors (pharmaceuticals, medical devices, electronics, IT services) that generated 46.2% of the country’s total gross value added in 2023, and accounted for 84% of all R&D spending. For verification, that means a tiny share of Irish entities by count carries a wildly disproportionate share of the country’s real economic weight — worth checking whether a given counterparty is inside that group before treating the register’s numbers as representative.
Ireland company base, broken down
Charts render from live counts. Where coverage is partial, the excluded population is stated on the chart.
Companies by industry
NACE section level, live from official registries. Each bar links through to its own directory.
Company size, by disclosed headcount
By number of employees on file. Entities with no disclosed headcount are not counted in any band.
Enterprises by size category
Share of active Irish enterprises in the business economy by employee size class, 2023. SMEs (under 250 employees) were 99.8% of all active enterprises and employed 66.9% of persons. Source: CSO, Business in Ireland 2023.
Foreign-controlled entities
12,579 foreign-owned multinational enterprises operate in Ireland — 3.2% of the 389,654 total enterprises (2022 data) — yet foreign-owned MNE-dominated sectors (pharmaceuticals, medical devices, electronics, IT services) generated 46.2% of total gross value added in 2023 and accounted for 84% of all R&D spending.
Who uses Ireland ownership data
The three checks this page's data is most often run for.
KYB onboarding
Verifying a Ireland counterparty means confirming the beneficial owner behind the entity and evidencing where that answer came from, not just pulling the registered name.
AML and sanctions screening
Sanctions exposure often sits above the operating company, in a holding layer registered elsewhere. Screening the local entity alone will not surface it; screening the resolved ownership chain will.
Supplier and credit risk
Only 154,647 Ireland entities have digitized accounts on file, so group membership is often a better solvency signal than a standalone balance sheet.
Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring for Ireland companies — via API or a bulk data feed.
Frequently Asked Questions
How many companies does Zavia have on record for Ireland?
Zavia holds 813,247 company records for Ireland, of which 328,679 (40%) are currently active on the register.
Is beneficial ownership (UBO) data public in Ireland?
Ireland company register data lives with the CRO (Companies Registration Office) under the Companies Act 2014, listing shareholders, shareholding percentages, and directors through the CORE portal. Ireland closed public access after the November 2022 CJEU ruling, leaving only entity name and UBO count visible to the public, at a threshold of more than 25% of shares, voting rights, or ownership interest. Access now runs three tiers: competent authorities unrestricted, AML-obligated banks and professionals via portal login, and legitimate-interest applicants who had zero approvals since public access ended. RBO data is verified directly against Revenue's PPSN database; CRO shareholder data is not verified the same way, so resolving the chain to a natural person means repeating manual tracing for every shareholder entity, in every jurisdiction it touches.
Does Zavia have shareholder and group structure data for Ireland companies?
Yes. Zavia holds 217,029 shareholder records for Ireland companies, with 73,663 ultimate parent relationships resolved for group-structure and ownership-chain mapping.
Does Zavia have director and officer data for Ireland companies?
Yes. Zavia holds 1.3M+ officer and director records for Ireland companies, sourced directly from the same official register as the company's own filing.
Does Zavia have VAT registration data for Ireland companies?
Yes. Zavia holds 200 VAT records for Ireland companies, linked to the same registered entity as its company profile.
Does Zavia have financial report data for Ireland companies?
Yes. Zavia holds 154,647 digitized financial reports for Ireland companies, available through Zavia's enriched company data for verified users.
How is share ownership disclosed in Ireland?
Share ownership in Ireland is disclosed through the Annual Return (Form B1), filed under section 342 of the Companies Act 2014.
Can I access Ireland's company data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Ireland, so company registration, shareholder, UBO, officer, and group-structure records can be queried programmatically instead of browsed one page at a time.
Where can I read more about how UBO verification works in Ireland?
Zavia's Ireland beneficial ownership guide covers the register, the UBO threshold, and how to verify a company's ownership chain in more depth than this directory page.