O'HARA & HARRISON LIMITED

O'Hara & Harrison Ltd is a leading electrical contractor serving the North West of Ireland. Based in Letterkenny, Co. Donegal, the company has been trading for over 40 years, building a reputation for reliable, high-quality electrical solutions across commercial, industrial and domestic sectors.

The firm offers a comprehensive suite of services, from new installations and data-cabling to fault finding, emergency repairs and P.A.T. (Portable Appliance Testing). Their expertise also covers specialised areas such as industrial machinery, PLC automation, thermal imaging, fire-security alarm systems and energy-saving upgrades. In addition, O'Hara & Harrison provides IT networking, CAT-5/6 and fibre installations, as well as testing and certification to meet ISO 9001:2015 standards.

With a skilled, professional workforce, O'Hara & Harrison is committed to delivering projects on time, within budget and to the highest safety and quality standards. Their long-standing client relationships reflect a focus on efficiency, consistency and a customer-centred approach to every job.