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About Us

Engineering Trust, Building the Future

Griffdon Engineering Ltd is a leading electrical engineering company based in Ballaghaderreen, Co. Roscommon. Established in 2001 by Martin and Mary Griffin as a cable-pulling business, the company has since grown into a trusted provider of comprehensive electrical engineering services. In 2004, their son Seamus joined to support management and contract procurement, followed by Elayne in 2019, who strengthened the company’s health and safety capabilities. In 2022, Martin and Mary proudly passed the business to Seamus and Elayne, ensuring continued family leadership and a clear vision for the future.

Our Services

Containment Installations

At Griffdon Engineering, we specialise in the design and installation of high-quality cable containment systems for construction projects of all sizes. From tray and trunking to ladder and basket systems, our solutions ensure that electrical cabling is installed safely, neatly, and in full compliance with industry standards. With a focus on precision, durability, and efficiency, we deliver containment installations that support both current project needs and future scalability.
At Griffdon Engineering, we specialise in the design and installation of high-quality cable containment systems for construction projects of all sizes. From tray and trunking to ladder and basket systems, our solutions ensure that electrical cabling is installed safely, neatly, and in full compliance with industry standards. With a focus on precision, durability, and efficiency, we deliver containment installations that

MV & LV Cable Installation and Terminations

Griffdon Engineering provides expert installation and termination of medium- and low-voltage cabling for a wide range of construction and critical infrastructure projects. Our experienced teams manage every stage of the process — from cable routing and pulling to precise terminations — ensuring safe, reliable, and high-performance connections. Working to the highest industry standards, we deliver robust solutions that guarantee system integrity, minimise downtime, and support the long-term efficiency of our clients’ electrical networks.
Griffdon Engineering provides expert installation and termination of medium- and low-voltage cabling for a wide range of construction and critical infrastructure projects. Our experienced teams manage every stage of the process — from cable routing and pulling to precise terminations — ensuring safe, reliable, and high-performance connections. Working to the highest industry standards, we deliver robust solutions that guarantee system

Fire Alarm & Security Systems

Griffdon Engineering delivers professional installation and commissioning of fire alarm and security systems tailored to meet the needs of modern construction projects. Our skilled teams design and install fully compliant systems that provide reliable protection, early detection, and secure monitoring. With a focus on safety, integration, and quality workmanship, we ensure every installation supports the highest standards of compliance while giving clients peace of mind that their people, property, and assets are safeguarded.
Griffdon Engineering delivers professional installation and commissioning of fire alarm and security systems tailored to meet the needs of modern construction projects. Our skilled teams design and install fully compliant systems that provide reliable protection, early detection, and secure monitoring. With a focus on safety, integration, and quality workmanship, we ensure every installation supports the highest standards of compliance while

Cable Pulling

Griffdon Engineering provides expert cable pulling services for commercial, industrial, and critical infrastructure projects. Our experienced teams are equipped to manage all aspects of the process — from planning and preparation to safe, precise installation — ensuring cables are installed efficiently and to the highest standards. Using advanced techniques and specialised equipment, we minimise risk, protect cable integrity, and deliver reliable connectivity for even the most complex projects. With a strong reputation for quality and dependability, Griffdon Engineering ensures cable pulling solutions that support the performance, safety, and longevity of our clients’ electrical systems.
Griffdon Engineering provides expert cable pulling services for commercial, industrial, and critical infrastructure projects. Our experienced teams are equipped to manage all aspects of the process — from planning and preparation to safe, precise installation — ensuring cables are installed efficiently and to the highest standards. Using advanced techniques and specialised equipment, we minimise risk, protect cable integrity, and deliver

Earthing & Lightning Protection

Griffdon Engineering provides comprehensive earthing and lightning protection solutions designed to safeguard people, property, and critical infrastructure. Our expert teams deliver end-to-end services — from site assessment and system design to installation and testing — ensuring full compliance with international safety standards. By implementing effective grounding systems and advanced lightning protection measures, we minimise the risk of electrical faults, equipment damage, and service disruptions. With a focus on safety, reliability, and long-term performance, Griffdon Engineering delivers tailored solutions that protect assets and maintain the integrity of our clients’ electrical networks.
Griffdon Engineering provides comprehensive earthing and lightning protection solutions designed to safeguard people, property, and critical infrastructure. Our expert teams deliver end-to-end services — from site assessment and system design to installation and testing — ensuring full compliance with international safety standards. By implementing effective grounding systems and advanced lightning protection measures, we minimise the risk of electrical faults, equipment

Off-Site Manufacturing

Griffdon Engineering offers advanced offsite manufacturing solutions through our dedicated facilities in Ballaghaderreen, Ireland, and in our Romanian plant. By fabricating and assembling critical electrical components in controlled environments, we ensure the highest levels of quality, precision, and efficiency before delivery to site. This approach reduces installation time, minimises on-site disruption, and improves overall project safety. Leveraging state-of-the-art equipment and skilled teams, our offsite manufacturing capabilities provide scalable, cost-effective solutions that support timely project delivery while maintaining the robust standards our clients depend on.
Griffdon Engineering offers advanced offsite manufacturing solutions through our dedicated facilities in Ballaghaderreen, Ireland, and in our Romanian plant. By fabricating and assembling critical electrical components in controlled environments, we ensure the highest levels of quality, precision, and efficiency before delivery to site. This approach reduces installation time, minimises on-site disruption, and improves overall project safety. Leveraging state-of-the-art equipment and

Sectors We Work In

Recent Projects

Facebook Lulea, Mercury Engineering

Microsoft Copenhagen, Suir Engineering

GVX12/13 Winthrop Technologies

Equinix Milan, Kirby Engineering

ISO Certification

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