Main Contracting

Reputation Built on Experience

MJ Conroy Construction is a trusted and experienced main contractor delivering high-quality construction services across Ireland. Established in 1932, our company has grown steadily through a commitment to excellence, innovation, and long-term client relationships.

We specialise in the delivery of complex commercial, industrial, and pharmaceutical projects, working closely with leading architectural and engineering firms.

Our portfolio includes new builds, refurbishments, and high-specification fit-outs, all executed with precision and care.

Our in-house team combines deep industry knowledge with hands-on expertise, supported by a network of skilled subcontractors and specialist consultants. We are proud to be certified to ISO 9001 (Quality Management), ISO 45001 (Occupational Health & Safety), and ISO 14001 (Environmental Management), reflecting our dedication to best practice and continuous improvement.

Our in-house team combines deep industry knowledge with hands-on expertise, supported by a network of skilled subcontractors and specialist consultants. We are proud to be certified to ISO 9001 (Quality Management), ISO 45001 (Occupational Health & Safety), and ISO 14001 (Environmental Management), reflecting our dedication to best practice and continuous improvement.

At MJ Conroy construction we prioritise:

  • Client collaboration: Building enduring partnerships through transparency and performance.
  • Safety and compliance: Maintaining the highest standards on every site.
  • Sustainability: Integrating environmental responsibility into our operations and project delivery.
  • Innovation: Embracing modern methods of construction and digital tools to enhance efficiency and quality.

With over 90 years of experience and a reputation for reliability, MJ Conroy Construction continues to deliver projects that meet and exceed client expectations—on time, on budget, and to the highest standards.

Main Contracting Projects