O’Hara & Harrison Electrical illuminated the polestar roundabout in Letterkenny on the 27th of July 2025 in support of Donegal…
The team at O’Hara & Harrison is proud to be contributing to the development of this modern healthcare facility, ensuring…
O’Hara & Harrison Electrical Contractors were delighted to have been awarded “Highly Commended Medium Commercial Project of The Year” in…
On the 5th of November O’Hara & Harrison Electrical Contractors lit up the polestar roundabout in pink, as part of…
O’Hara & Harrison Electrical Contractors and Boyle Construction raised funds for the Paediatric Ward in the Letterkenny University Hospital on…
The first electric car charged using the new rapid EVBOX charger which was recently installed at Glenveagh National Park, was charged on Monday the 26th March 2018. Highland Motors in Letterkenny brought an electric Renault Zoe to the Park to try out the new facility. The new rapid car charger was supplied by EVBOX with the civil works carried out by Sheridan Developments
O’Hara & Harrison are one of very few Electrical Contracting Firms that provide a wide and varied range of services for all areas in the construction sector. Based in Letterkenny, Co. Donegal, this family run business has been providing advice on electrical design, value engineering and services coordination while supplying high quality, efficient and professional expertise