Reliable electrical services for Northern Ireland.
McDonnell Shields delivers honest, quality work for landlords, commercial clients, and homeowners. From EICR inspections to full installations, we get the job done right.
Built on reliability and attention to detail
McDonnell Shields started with a simple commitment: deliver electrical work that's done right the first time. Whether it's EICR testing for landlords, installation work for commercial clients, or domestic projects, we focus on safety, quality, and clear communication with every job.
Experienced Electricians Serving Northern Ireland
Our team combines technical expertise with a commitment to safe, reliable electrical work for landlords, commercial spaces, and home owners across Northern Ireland.
Principal Contractor
Lead Electrician
Delivers EICR testing, inspections, and installation work with focus on code compliance and customer safety across landlord and commercial projects in Northern Ireland.
Electrical Technician
Installation Specialist
Handles domestic and commercial electrical installations with attention to detail and adherence to UK building regulations and safety standards.
Real feedback from landlords and businesses
McDonnell Shields delivers reliable electrical work. Here's what our clients across Killyleagh and Northern Ireland think.
Had my rental property EICR done quickly and professionally. McDonnell Shields explained everything clearly and the report was thorough. Exactly what I needed for compliance.
James Patterson
Landlord, Downpatrick
We needed urgent electrical testing for our shop before the inspection. Quick turnaround, professional approach, and they caught issues we didn't know about. Highly competent.
Margaret Clarke
Shop Owner, Killyleagh
Installation work in our office was handled with minimal disruption. The team knew what they were doing and finished on schedule. Professional from start to finish.
David Murphy
Office Manager, Downpatrick
Domestic rewiring project. McDonnell Shields was straightforward about the work needed, fair on pricing, and delivered a quality job. Would use again without hesitation.
Sarah Thompson
Homeowner, Killyleagh
EICR certificate arrived on time and properly documented. This contractor understands what landlords need and delivers it without fuss. Dependable service.
Robert Hughes
Property Manager, Northern Ireland
Commercial electrical work for our warehouse. Reliable, efficient, and they kept disruption to our operations minimal. That's what professional service looks like.
Angela Foster
Warehouse Director, Downpatrick
Trusted electrical expertise across Northern Ireland
McDonnell Shields delivers reliable EICR certifications, testing, and installation work for landlords and commercial clients who need it done right.
100%
Compliance on every job
Every EICR certification and installation meets current UK electrical safety standards.
500+
Properties inspected
We've tested and certified electrical systems for landlords and commercial businesses in Killyleagh and surrounding areas.
24hr
Response time
We prioritise urgent inspection requests and get back to you the same business day.
15+
Years in the trade
Extensive experience with domestic, commercial, and rental property electrical work.
Let's discuss your electrical needs.
Contact McDonnell Shields today for a straightforward quote on testing, inspection, EICR certification, or installation work in Killyleagh and nearby areas.