Enduring. Diverse. Collaborative.
MJ Conroy is a family-owned and operated business, built on a legacy of trust, collaboration, and long-term partnerships across the construction, property, and agriculture sectors.
90+
Years of experience
Building excellence Since 1932
Founded in 1932 in Cong, County Mayo, we’ve grown alongside a changing world – embracing innovation, evolving technologies, and expanding our reach across Ireland and Eastern Europe – Latvia, Lithuania, and Serbia.
Through it all, MJ Conroy has remained firmly rooted in our core values: building with integrity, delivering quality, and creating lasting value for our clients.
Not just words – Our way of working
At MJ Conroy, Enduring, Diverse, Collaborative isn’t just a tagline. It’s the foundation on which Michael Conroy built the company nearly a century ago – and it continues today through the leadership of his sons and grandchildren. These values embody our commitment to providing high-value, transparent, turnkey solutions to meet our clients’ exacting needs.
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Our people. Our strength.
The MJ Conroy team brings together deep industry expertise and a proven track record across local, national, and international projects. With unmatched knowledge of the construction sector, we consistently deliver on complex and demanding projects. Where specialist skills are required, we collaborate with trusted, long-standing expert partners.
Meet Our Team -
Clients & Partners
We are proud to maintain enduring relationships with a broad portfolio of international clients and corporate partners, built on trust, delivery, and results.
Meet Our Clients
Integrity. Safety. Accountability.
At MJ Conroy, we are committed to upholding the highest standards across all areas of operation. Our policies reflect our dedication to quality, compliance, and responsible business practices, supported by robust systems and certifications.
We are committed to fostering sustainable development through responsible business practices in the construction industry. Our approach minimises environmental impact, enhances social well-being, and promotes ethical governance. Our Sustainability Policy outlines our commitment to the United Nations Sustainable Development Goals (SDGs), integrating Environmental, Social, and Governance (ESG) principles into our operations and corporate strategy.
MJ Conroy is committed to delivering work that meets client specifications, is completed on time, and stays within budget. To ensure consistent performance, we operate a fully documented Quality Management System in compliance with ISO 9001:2015. This policy is binding on all employees and is subject to regular external audits.
Our EHS policy is designed to provide, so far as is reasonably practicable, safe and healthy working conditions for all employees. We deliver appropriate training, information, and supervision, and actively engage our workforce in maintaining a safe environment.
We are equally committed to environmental protection, including pollution prevention, and operate a documented EHS Management System in compliance with ISO 45001:2018, ISO 14001:2015, and Safe-T-Cert.
MJ Conroy places a strong emphasis on the responsibilities we have to our clients, our communities, and our shared future. MJ Conroy leads by example, operating ethically, exceeding legal obligations, and ensuring our stakeholders’ needs are met responsibly.
Everyone deserves a workplace rooted in respect, fairness, and inclusion. MJ Conroy enforces a zero-tolerance policy on bullying or harassment and actively promotes dignity, diversity, and equal treatment through clear policies and ongoing culture-building.
Integrity. Safety. Accountability.
At MJ Conroy, we are committed to upholding the highest standards across all areas of operation. Our policies reflect our dedication to quality, compliance, and responsible business practices, supported by robust systems and certifications.
We are committed to fostering sustainable development through responsible business practices in the construction industry. Our approach minimises environmental impact, enhances social well-being, and promotes ethical governance. Our Sustainability Policy outlines our commitment to the United Nations Sustainable Development Goals (SDGs), integrating Environmental, Social, and Governance (ESG) principles into our operations and corporate strategy.
MJ Conroy is committed to delivering work that meets client specifications, is completed on time, and stays within budget. To ensure consistent performance, we operate a fully documented Quality Management System in compliance with ISO 9001:2015. This policy is binding on all employees and is subject to regular external audits.
Our EHS policy is designed to provide, so far as is reasonably practicable, safe and healthy working conditions for all employees. We deliver appropriate training, information, and supervision, and actively engage our workforce in maintaining a safe environment.
We are equally committed to environmental protection, including pollution prevention, and operate a documented EHS Management System in compliance with ISO 45001:2018, ISO 14001:2015, and Safe-T-Cert.
MJ Conroy places a strong emphasis on the responsibilities we have to our clients, our communities, and our shared future. MJ Conroy leads by example, operating ethically, exceeding legal obligations, and ensuring our stakeholders’ needs are met responsibly.
Everyone deserves a workplace rooted in respect, fairness, and inclusion. MJ Conroy enforces a zero-tolerance policy on bullying or harassment and actively promotes dignity, diversity, and equal treatment through clear policies and ongoing culture-building.
