Industry leading expertise in renewables & Inspection and Testing.
NICEIC Approved Contractor. Electrical installations, Testing, inspection, EICR certifications, and installation work across Northern Ireland Local expertise you can trust.
Electrical work you can rely on
We handle project management, design, installation testing, inspection, EICR certifications, and installations for electrical installations.
EICR testing and certification
Comprehensive electrical safety inspections and reports for landlords and property owners seeking compliance and peace of mind.
Electrical installation
Installation of solar, BESS, EV charging, industrial and commercial works.
HV & LV Testing and inspection
Detailed safety checks and fault-finding for existing electrical systems. Identifies issues before they become problems. 230v-66kV
Commercial electrical work
System design, installation and maintenance for shops, offices and industrial properties in the Killyleagh area.
Landlord compliance
Full electrical safety reports and certifications to meet rental property regulations. Essential for letting agents and tenant peace of mind.
Design
Ability to ease client concerns with detailed designs to fit their needs.
Electrical Work You Can Rely On
McDonnell Shields has earned trust from businesses across Northern Ireland through reliable testing, certification, and installation work.
McDonnell Shields handled our EICR on a tight deadline. Professional, thorough, and delivered the certificate we needed without fuss.
James Patterson
Factory owner
We needed solar panels designed and installed for our shop. They were responsive, sorted it out quickly, and gave us a fair price. Recommended them to other business owners.
Maria Lopez
Solar installation client
Installation work for our new office was handled with attention to detail. The team understood what we needed and got it done right the first time.
David McBride
Office Manager, Killyleagh
Had them design and install multiple EV charging sites for our offices.
Sarah Chen
Property Manager, Northern Ireland
Called about a safety concern on our commercial premises. Quick response, thorough inspection, and they made sure we understood the recommendations.
Robert Hayes
Site Manager, Belfast
Trusted Electrical Contractors in Northern Ireland
McDonnell Shields delivers reliable testing, inspection, and installation work for landlords, commercial, and domestic clients across Northern Ireland.
1000+
Properties certified
We've completed EICR inspections and certifications for landlords and commercial properties.
35+
Years in electrical work
Experienced in testing, installation, and inspection work across domestic and commercial projects.
10
Dedicated specialist
Direct access to skilled electrical work with personalized attention to every job.
48hr
Typical inspection turnaround
Fast EICR reports and certification so you can meet landlord compliance requirements.
Get your electrical work done right. Contact us today.
Call +44 7714 197101 or email stevie@mcdonnellshields.com to discuss your project and get a clear estimate.