41 - CONSTRUCTION OF BUILDINGS Companies in Ireland
41 - Construction of buildings Covers companies officially classified under SIC 2007 code 41 (Construction of buildings), part of Ireland's SIC 2007 classification of economic activities. This division is one of the sub-sectors making up the broader Construction sector. Ownership, beneficial-ownership disclosure and company-registration rules for businesses under this specific activity code follow the same general framework that applies across Construction in Ireland.
Beneficial-ownership and registration rules for Construction companies in Ireland follow the same national framework as every other sector there.
Full Ireland beneficial ownership overviewTop 41 - Construction of buildings Companies in Ireland
Live from the register. Every row opens the full record — officers, shareholders and resolved group structure.
Data Coverage
Record counts for SIC Code F in Ireland, as of the last reconciliation.
Section F is 13% of the Ireland register by entity count and its 3rd largest sector — see all sectors.
Analysis
What this data actually tells you
Construction in Ireland runs on a withholding-tax system, Relevant Contracts Tax (RCT), that acts as a live, ongoing compliance signal rather than a one-time registration check. Principal contractors must deduct RCT from payments to subcontractors in construction, forestry and meat-processing at one of three rates — 0%, 20% or 35% — with the applicable rate reflecting the subcontractor’s own tax-compliance standing with Revenue. Subcontractors must supply their name as registered with Revenue and their Tax Reference Number before a contract can be properly registered.
RCT compliance, filing and payment now runs entirely through Revenue Online Service (ROS), with Revenue applying increased scrutiny through 2025-2026. The obligation extends to non-resident subcontractors doing work in Ireland, with the principal contractor still required to withhold RCT from the gross payment regardless of the subcontractor’s home jurisdiction. For verification, a subcontractor’s current RCT rate is a real, checkable, and dynamic signal of its Revenue standing — not something a company filing shows on its own.
Who uses Ireland construction ownership data
The three checks this sector's data is most often run for.
RCT (Relevant Contracts Tax) registration check
Principal contractors must deduct Relevant Contracts Tax from payments to subcontractors in construction, forestry and meat-processing at rates of 0%, 20% or 35% — the rate applied depends on the subcontractor’s own Revenue compliance record, making it a real, checkable signal of a subcontractor’s tax standing.
Fully digital RCT compliance tracking
All RCT compliance, filing and payments run online through Revenue Online Service (ROS), with increased Revenue scrutiny in 2025-2026 — a subcontractor’s RCT rate (0/20/35%) is a live, checkable Revenue record, not a static classification.
Non-resident subcontractor exposure
RCT applies even to non-resident subcontractors carrying out work in Ireland, with the principal contractor required to deduct it from the gross payment — a real, checkable withholding obligation that follows the work location, not the subcontractor’s home jurisdiction.
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Frequently Asked Questions
How many companies are classified under 41 - Construction of buildings in Ireland?
41 - Construction of buildings companies in Ireland are tracked directly from official government registries.
What does SIC 2007 code 41 cover?
41 - Construction of buildings is the official name for this activity under Ireland's SIC 2007 classification of economic activities. It is a sub-category within the broader Construction sector.
How is this different from the broader Construction category?
Construction is the top-level sector; SIC 2007 code 41 identifies one specific activity within it, letting you narrow a search to exactly this business type rather than the whole sector.
What ownership information is available for these companies?
The same beneficial-ownership, shareholder and officer disclosure framework applies as for any other company in Ireland, regardless of its specific activity classification. See the individual company profile for the full ownership picture, or the Construction sector overview for the general national framework.
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