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


 Emergency Numbers For ChristmasMartin O'Neill Electrical/Data is a Galway based electrical and data company, providing a full range of electrical services to both commercial and residential customers around Galway, Mayo, Sligo, Clare, Limerick and Dublin.


Established in 1996, the company offers the full range of electrical installations, upgrades and maintenance work for businesses of all sizes. This includes Emergency Lighting, Fire Alarms, PAT Testing, Inspections and Certifications.


In addition, the company also provides high specification data cabling & fibre optic cabling for medium-large scale office buildings, factories, hospitals, colleges and schools nationwide for Voice, IT and data connectivity.  




The company has built a reputation in Galway and surrounding areas for professionalism and service. We understand efficiency for our business & yours, and focus on keeping standards high while offering value for money to all our customers.



Martin O’Neill Electrical/Data offers a 24hr Electrical Emergency Call Out Service in Galway on 086 2508743. 



Our full range of services includes...

  • Commercial Electrical Services 

  • Electrical Maintenance Services

  • Fire Alarm Installation, Commissioning & Certification

  • Emergency Lighting Installation, Certification and Servicing

  • Data Cabling

  • Fibre Optic Cabling 

  • Periodic Inspection Certificate For Emergency Lighting

  • Periodic Inspection for an Electrical Installation 

  • Portable Appliance Testing

  • Festive Lighting



Contact us today to receive a FREE Consultation including:


  • FREE Electrical Advice

  • FREE Assessment

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


To book your consultation or to find out more about the services offered,
call our offices in Galway - 091 705709 or in Dublin - 01 4604419 or send an email to sally@martinon.ie