What JSD Contracting does

JSD Contracting (legal entity JS Dooley Contracting Ltd.) is a privately held, mid-tier Irish general building contractor founded in 2006 and headquartered in Portlaoise, Co. Laois. The company operates as a main contractor delivering construction projects across six practice areas: Fit Out & Refurbishment, Biomedical & Pharmaceutical, Commercial, Energy, Conservation, and Design & Build. Its client base spans enterprise and public-sector buyers in Ireland, including long-standing partnerships with energy retailers Circle K and Maxol (multiple service station new builds, fit-outs, and refurbishments), Royal College of Surgeons Ireland (Dental Hospital, laboratories, conservation, and office works), Iarnród Éireann (station refurbishments), and government bodies such as HSE Estates, South Dublin County Council, and Kildare County Council. Other notable clients include Eurofins Biomnis, Roche, Sky Ireland, LIDL, Value Retail (Kildare Village), Spirit Motor Group, Rexel, Blenders Sauces, CJ Sheeran, and BoyleSports.

The company's underlying technology is conventional general construction — new build, fit-out, refurbishment, and conservation delivery — supported by a QEHS management system, ISO 9001/14001/45001 certifications, and Registered Heritage Contractor status (H0078). Specialist capability areas include controlled-environment biomedical/pharmaceutical facilities, live-environment fit-outs with minimal operational disruption, and authentic heritage restoration using specialist tradesmen and minimal-intervention methodology. Recent high-value projects include the €8.2M RCSI Dental Education Centre (2024–2025), €6.05M Iarnród Éireann Connolly Station Annex, and €4.2M CJ Sheeran warehouse extension, with the Shackleton Experience in Athy winning the ICE Awards 2026 Public Building Category.

The revenue model is project-based B2B contracting: JSD tenders for construction work from public and private sector clients, delivers as main contractor, and is paid on milestone-based one-off project contracts. Go-to-market is sales-led and relationship-driven, with a high proportion of repeat business from established enterprise and government clients and no consumer or retail distribution. The company operates exclusively in Ireland and is founder-owned, with Seamus Dooley associated with the business. No funding rounds, M&A activity, or external institutional investment are disclosed in the source data.

Name

JSD Contracting

Legal name

JS Dooley Contracting Ltd.

Website

https://jsdcontracting.ie

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

11–50 employees

Short description

JSD Contracting is a privately held, mid-tier Irish general building contractor founded in 2006, delivering new build, fit-out, refurbishment, conservation, and design-and-build projects for enterprise and public-sector clients across Ireland.

Ownership category

akta.pro rank

Product category

Commercial Construction Services

NAICS

Nonresidential Building Construction (2362)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Commercial General Contracting (New Build) (IMAFAAAA)

akta.pro secondary industry

Public Works General Contracting (IMAFAAAG)

Keywords

• General building contracting
• Commercial construction services
• Fit out refurbishment
• Heritage conservation contracting
• Design and build construction

Headquarters

HQ city

Portlaoise

HQ country

Ireland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Others

Revenue model

1. Construction Services: General building contractor providing construction services across commercial, industrial, biomedical, energy, and conservation sectors. Revenue generated through project-based contracts as main contractor delivering new build, fit-out, refurbishment, and design & build projects throughout Ireland.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

JSD Contracting is a mid-tier Irish general building contractor delivering new build, fit out, refurbishment, conservation, and design & build construction services across commercial, biomedical/pharmaceutical, energy, heritage, and public-sector projects. The company operates as main contractor on projects throughout Ireland, managing dedicated project teams as the single point of contact between client and specialist sub-contractors. Long-standing partnerships with energy-sector clients (Circle K, Maxol) and institutional clients (RCSI, Irish Rail, HSE Estates) anchor a repeat-business-driven service model.

Product overview

JSD Contracting (JS Dooley Contracting Ltd.) is a general building contractor operating within the Irish construction industry since 2006. The company operates as a mid-tier construction firm offering a portfolio of integrated service offerings rather than a modular product platform. Their core services span six key sectors: Fit Out & Refurbishment, Biomedical & Pharmaceutical, Commercial, Energy, Conservation, and Design & Build. These service lines function as distinct practice areas that share project management resources, quality management systems (QEHS), and a single point of contact approach for clients. Projects range from commercial office fit-outs and industrial warehouses to heritage conservation and pharmaceutical clean room installations. The company maintains long-standing partnerships with major clients including Circle K, Maxol, Royal College of Surgeons Ireland, Iarnród Éireann, and various government bodies.

Differentiator

Problem solved

Functional benefit

Products and services

• Fit Out & Refurbishment Specialist fit out and refurbishment construction services delivering projects ranging from specialised control environments to bespoke commercial and retail spaces, with a proven track record of expertise in minimising disruption to live operations.
• Biomedical & Pharmaceutical Construction
• Commercial Construction
• Energy Sector Construction
• Conservation Construction Heritage conservation and restoration construction services implementing best practice approach with specialist tradesmen and minimal intervention philosophy to achieve authentic building restorations, delivered under Registered Heritage Contractor status (H0078).
• Design & Build Construction

Quantifiable outcome

• Long-standing partnerships with Circle K and Maxol for service station construction across Ireland
• +2 more outcomes

Named customers20 records

Segments7 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• Circle KcoreStrategic or Co-development PartnerLong-standing partnership with Circle K for delivery of bespoke service station construction, fit outs and refurbishments across Ireland. JSD has completed multiple Circle K projects including Gorey (€2.2M), Dublin Port T1 (€1.05M), Fermoy (€1.4M), Kill North, Kill South (€900K), and Safeway Arklow. High volume of repeat business from this energy sector leader demonstrates commitment to quality delivery.
• MaxolcoreStrategic or Co-development PartnerLong-standing partnership with Maxol for the delivery of bespoke service station construction, fit outs and refurbishments across Ireland. Completed projects including Dolphins Barn Dublin, Ballinteer Dublin (€875K), and Clarecastle Co. Clare (€2.3M). Evidence of JSD's commitment to delivering high quality finishes for energy sector clients.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Bennett Construction: Irish commercial building contractor delivering commercial, fit-out, refurbishment and conservation projects across Ireland. Closely comparable mid-tier peer with similar vertical diversification and project sizes.
• Walls Construction: Established Irish building contractor operating across commercial, healthcare, education, conservation, and industrial sectors. Comparable general contracting model, client profile (enterprise and public sector), and Ireland-only geographic focus.
• Pierse Construction: Irish general building contractor delivering commercial, education, healthcare, and fit-out projects nationwide. Similar mid-tier profile with comparable public/private client mix and project delivery model.
• McNamara Construction: Irish building contractor with strong portfolio across commercial, education, healthcare, and conservation projects. Comparable in vertical diversification, public sector work, and mid-tier market positioning.
• PJ Hegarty & Sons: Irish building and civil engineering contractor with strong heritage in commercial and public sector construction. Directly comparable to JSD in general contracting scope and Irish mid-tier positioning.
• Townmore Construction: Mid-tier Irish contractor focused on commercial, retail, hospitality, and fit-out projects. Directly comparable in terms of project scale, client mix (enterprise retailers and developers), and design-and-build capability.
• Flynn (Flynn Management & Contractors): Irish and UK contractor delivering commercial, retail, hospitality, and refurbishment projects. Comparable mid-tier positioning with similar fit-out/refurbishment focus and enterprise client base.

Emerging players

• Kirby Group Engineering: Irish engineering and construction services provider delivering mechanical/electrical and building services for life sciences, data centers, and industrial clients. Partial overlap with JSD's biomedical/pharmaceutical and industrial fit-out segments.

Broad incumbents

• Morgan Sindall: UK-listed construction and regeneration group with Irish operations through Morgan Sindall Property Services and fit-out divisions. Broader incumbent offering fit-out and refurbishment services that partially overlap JSD's specialist offering.
• John Sisk & Son: One of Ireland's largest construction contractors with operations across commercial, infrastructure, life sciences, and data centers. Broader incumbent serving similar client verticals but at significantly larger scale than JSD.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/jsd-contracting

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about JSD Contracting