Welcome to Martin O'Neill Electrical & Data Providing a 24 hour Electrical Service


Martin O'Neill Electrical/Data is a well established, Galway based electrical and data company, which provides a service to a diverse client base serving both residential and commercial customers around Galway. We now provide data cabling & fibre optic cabling, Emergency Lighting certification, Fire Alarm installation and commissioning in Mayo, Sligo, Galway, Clare, Limerick and Dublin.




With an excellent reputation, we always keep our standards and quality high while giving value for money. Martin O'Neill Electrical understands your time and the time of your business is valuable, so it is vital that your electrical elements run smoothly and trouble-free.   



In addition to this, Martin O'Neill Electrical/Data offers clients a 24 hour service 7 days a week, providing an emergency electrical service around the Galway area. 



  • Commercial Electrical Service

  • Maintenance Electrical Service 

  • Fire Alarm Certification

  • Emergency Lighting Certification and Installation 

  • Portable Appliance Testing

  • Data Cabling

  • Fibre Optic Cabling 

  • Festive Lighting

  • Periodic Inspection Certificate for Emergency Lighting 

  • Periodic Inspection for an Electrical Installation




Contact us today to receive a FREE call out consultation including:


FREE Electrical Advice

FREE Assessment

FREE Quotation on any electrical service which Martin O’Neill Electrical can provide to your business. 


 Call Sally on 091-700919 or email sally@martinon.ie