We deliver safe, certified electrical installations for commercial new builds across Northern Ireland. From first fix to third fix and final handover, we're with you through every stage of your project.
Trusted by contractors, architects, and developers for over a decade.
With 10+ years of experience, we specialise in commercial and residential new build installations — from accurate take-offs and planning to full fit-outs and certification.
Working across Northern Ireland, we keep electrical projects moving, inspections passed, and timelines on track.
Fully accredited and easy to work with, we’re the go-to team for contractors, developers, and architects who want it done right the first time.
We deliver full electrical installations for commercial and domestic new builds, managing everything from initial take-offs through first and second fix to final certification.
Comprehensive testing and commissioning of all electrical systems with full certification to demonstrate compliance and prepare for inspection.
Installation of wiring, conduits, and essential infrastructure during the initial construction phase to set a solid foundation for all electrical systems.
Expertise in delivering high-quality electrical installations in remote, logistically challenging, or unconventional environments, without compromising on standards or timelines.
Complete fitting of sockets, switches, lighting, and control systems, ensuring all components are correctly installed and fully operational.
To ensure site safety for our crew, your business and your people, all our work meets the latest electrical regulations, industry standards, and health and safety requirements.
We understand the pressures that come with new build projects — tight schedules, multiple trades, and zero room for error.
That’s why we show up prepared, work cleanly, and keep everything on track. We integrate seamlessly with your team, coordinate with other contractors, and stick to our word.
No chasing. No cutting corners. Just straightforward, high-quality electrical work that gets done right — first time, every time.
Give us a ring, or send us a message. We're always happy to run through your project scope to see how our services can best help you.
We believe in transparency and efficiency from start to finish.Our process is designed to give you peace of mind, ensuring every step is smooth and your project is delivered on time and to spec.
Reach out via phone, WhatsApp, email, or our contact form to discuss your project requirements.
We’ll assess your project and provide a detailed, no-obligation quote, ensuring clarity on scope and budget.
Our skilled electricians begin work, following a tailored plan to ensure quality and efficiency on-site.
Once work is completed, we clean behind ourselves and conduct a thorough inspection to ensure compliance, safety, and satisfaction.
With over 40 years of combined electrical experience, our family came together to create McCullagh Electrical
We established this company with a clear mission: “To provide precise, reliable and timely electrical services to commercial projects across Northern Ireland.”
.svg)
Contact the McCullagh team for dependable service and expert advice tailored to Northern Ireland’s commercial needs.
Expert electrical solutions, delivered with integrity.
Working on a project and have a few questions? Call us or send a message on WhatsApp.
We’re here to help you move forward with clarity and confidence.
Due to the bank holiday on xx/xx/xx we will be closed.
We will reopen as normal on xx/xx/xx.
Christmas opening hours:
Find answers to common queries about our services, process, and how how we work. If you need more information, just give us a call or fill in our enquiry form.
It is recommended to have your electrical system serviced at least once every three to five years. However, if you notice any issues or if your building has undergone significant changes, more frequent inspections may be necessary.
Emergency electrical services are available for urgent situations that require immediate attention, such as power outages, electrical fires, or exposed wiring. It's important to have a reliable electrician on call for such emergencies.
Energy-efficient lighting solutions include LED lights and smart lighting systems that reduce energy consumption while providing adequate illumination. These solutions can significantly lower electricity bills and enhance the sustainability of your business.
Hiring commercial electrical services ensures that your electrical systems are installed and maintained by professionals. This can lead to increased safety, compliance with regulations, and improved energy efficiency, ultimately saving you money in the long run.
Commercial electrical work involves the installation, maintenance, and repair of electrical systems in commercial buildings such as offices, retail stores, and warehouses. This type of work requires specialized knowledge of electrical codes and safety regulations.
The cost of commercial electrical services can vary based on factors such as the complexity of the job, the materials used, and the electrician's experience. It's best to get a detailed estimate before proceeding with any work.
When hiring an electrician, consider their qualifications, experience, and customer reviews. Ensure they are licensed and insured, and ask for references to verify their work quality. It's also important to get multiple quotes to compare pricing.
Electrical inspections are crucial for ensuring the safety and efficiency of your electrical systems. They help identify potential hazards, ensure compliance with local codes, and can prevent costly repairs down the line.
Visit our contact page to get in touch and ask a question.
