Founded in 1991, Castlethorn Construction is one of Ireland’s most successful residential and commercial developers.

Over the past three decades, Castlethorn Construction has developed a well-earned reputation for exceptional quality craftsmanship. We passionately believe that the final verdict on our developments can only be passed when the entire project has been completed and when our new homes become new communities.

Our quest for perfection involves not just the actual units that we build, but the complementary quality of the landscaping and overall finishing which typifies a Castlethorn development. We also believe that quality is apparent in the selection of our sites. We continue to provide homes in areas which are rich in physical and social amenities and which reflect the needs of today’s homeowners, whether they be young singles, ‘empty nesters’ or families.

Commercial Real Estate

Construction

Property Development

Residential

Castlethorn

Castlethorn's headquarters in Dundrum, Ireland

Joe O’reilly

Ronan Columb

This department is responsible for estimating, analyzing, and managing project costs to ensure financial control and adherence to budgetary constraints.

Cost Management

This department focuses on promoting and selling products or services, developing marketing strategies, and managing customer relationships.

Sales and Marketing

This department manages the processing and payment of invoices for goods and services received.

Accounts Payable

This department focuses on maintaining and promoting safety and environmental standards within the organization.

Health and Safety

This department manages purchasing processes and ensures the quality of products and services.

Procurement and Quality

This department focuses on the planning and execution of new projects to drive organizational growth and innovation.

Castlethorn

Org chart

Teams

Cost Management

Sales and Marketing

Accounts Payable

Health and Safety

Procurement and Quality

Project Development

Offices

Castlethorn

Org chart

Teams

Cost Management

Sales and Marketing

Accounts Payable

Health and Safety

Procurement and Quality

Project Development

Offices

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