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← County Mayo

Building construction companies in County Mayo

149 companies in the CRO snapshot dated 18 July 2026 have this principal activity and a registered office matched to County Mayo.

CRO principal activity: Building construction. A principal activity is a company classification, not evidence that the company is available or suitable for your project.

Town is based on the registered-office address, not the area a company serves.

PlotPacer has not vetted, approved or recommended the companies shown here. The directory is based on a dated CRO company-data snapshot and a company's recorded principal activity. CRO registration does not confirm trade competence, professional registration, insurance, references, availability, pricing or service area. A registered office may not be the place where a company trades. Confirm the current company record, relevant statutory or professional registration, insurance, references and suitability directly before engaging anyone.

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Contains Irish Public Sector Data licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Source: Companies Registration Office Company Records. Snapshot dated 18 July 2026.

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Business claiming and contact details are not part of this first public version.

If a company record is wrong, out of date or should not be displayed here, email [email protected] with the CRO number and the correction requested. Do not send identity documents by ordinary email.