Insights

Strategic partnerships Castlethorn is actively expanding its collaboration network with major investment and public sector partners, including a 562 home development with the Land Development Agency and a €125m investment vehicle with Avenue Capital Group to support a large residential pipeline in Greater Dublin. This indicates ongoing opportunities for joint ventures, co-financing, and risk-sharing arrangements in future projects.

Capital-backed growth Recent high-profile funding activity signals a strong push to scale residential delivery beyond the current portfolio, presenting a window for suppliers, contractors, and service providers to align with Castlethorn on site services, prefabrication, landscaping, and ancillary projects as capacity expands toward potentially thousands of homes.

Urban land strategy Castlethorn emphasizes site selection in areas rich in amenities and social infrastructure, suggesting sales opportunities around integrated community development, amenity-led neighborhoods, and long-term value propositions for developers, consultants, and local partners specializing in master-planned environments.

Sustainability and community impact With a focus on quality finishing, landscaping, and community outcomes, Castlethorn may seek sustainable building practices, green spaces, and social impact partnerships, offering avenues for suppliers in eco-friendly materials, landscape design, and corporate social responsibility collaborations.

Market position & growth As a mid-sized Irish developer with ambitious expansion plans and recent equity/funding activity, Castlethorn represents a potential client for scalable construction services, project management, modular construction solutions, and technology-enabled workflows that can support large-scale residential rollout.

Similar companies to Castlethorn

Castlethorn Tech Stack

Castlethorn uses 8 technology products and services including iCIMS, Amazon Web Services, Craft CMS, and more. Explore Castlethorn's tech stack below.

Media & News

Castlethorn's Email Address Formats

Castlethorn uses at least 3 email formats:
Castlethorn Email FormatsExamplePercentage
First.Last@castlethorn.ieJohn.Doe@castlethorn.ie
72%
FLast@castlethorn.ieJDoe@castlethorn.ie
26%
FMiddleLast@castlethorn.ieJMichaelDoe@castlethorn.ie
2%

Frequently Asked Questions

What is Castlethorn's official website and social media links?

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Castlethorn's official website is castlethorn.ie and has social profiles on LinkedIn.

How much revenue does Castlethorn generate?

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As of October 2026, Castlethorn's annual revenue is estimated to be <$1M.

What is Castlethorn's NAICS code?

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Castlethorn's NAICS code is 23 - Construction.

How many employees does Castlethorn have currently?

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As of October 2026, Castlethorn has approximately 85 employees across 1 continents, including Europe. Key team members include Chief Financial Officer: R. L., Head Of Sales: B. B. and Group Managing Director: R. C. Explore Castlethorn's employee directory with LeadIQ.

What industry does Castlethorn belong to?

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Castlethorn operates in the Construction industry.

What technology does Castlethorn use?

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Castlethorn's tech stack includes iCIMS, Amazon Web Services, Craft CMS, Open Graph, Microsoft 365, Webflow, Vimeo and Piwik PRO Core.

What is Castlethorn's email format?

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Castlethorn's email format typically follows the pattern of First.Last@castlethorn.ie. Find more Castlethorn email formats with LeadIQ.

When was Castlethorn founded?

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Castlethorn was founded in 1991.
Castlethorn logo

Castlethorn

ConstructionCavan, Ireland51-200 Employees

Castlethorn Construction, established in 1991, operates as an Ireland-based builder and developer active in both residential and commercial projects. The firm emphasizes quality craftsmanship, with attention to landscaping and finishing work, seeking to deliver developments that function as cohesive communities rather than standalone structures. It selects sites in locations with strong physical and social amenities to meet the needs of today’s homeowners, including singles, empty nesters, and families. 

Based at Knappagh House on Main Street in Cavan, Castlethorn is positioned within Ireland’s construction sector with a focus on integrated, well-executed living spaces. The company has been involved in notable Dublin-area housing initiatives, such as Brighton Wood, a residential scheme launched in 2016 in partnership with Chartered Land Group, reflecting its approach to combining housing with landscaped environments.

Section iconCompany Overview

NAICS Code
23 - Construction
Founded
1991
Employees
51-200

Section iconFunding & Financials

  • <$1M

    Castlethorn's revenue is estimated to be in the range of <$1M

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