Ben PhilipsIreland’s electrical sector is expanding fast, fueled by construction growth, renewable energy demand, and the rise of data centres and smart technologies. From residential upgrades to large industrial systems, electrical companies in Ireland are delivering safer, more efficient, and future-ready solutions.
Choosing the right contractor isn’t just about price — it’s about experience, reliability, and matching the company’s strengths to your specific project. Here’s a clear, easy-to-scan list of the top 50 electrical companies in Ireland.
Top 50 Electrical Companies in Ireland
1. Mercury Engineering
Best for: Large-scale commercial & industrial projects
Mercury Engineering is a leader in complex electrical infrastructure, especially in sectors like data centres and pharmaceuticals. They’re known for precision, strong safety standards, and delivering large-scale projects on tight timelines across Ireland and Europe.
Services:
- Electrical engineering
- Industrial installations
- Data centre solutions
- Energy management
Contact: +353 1 416 3600
2. Kirby Group Engineering
Best for: Data centres & high-tech environments
Kirby Group is widely respected for its work in mission-critical environments. Their use of BIM and modern construction techniques allows them to deliver efficient, high-quality electrical systems where reliability is essential.
Services:
- Electrical contracting
- BIM & digital construction
- Industrial systems
- Maintenance services
Contact: +353 61 417 300
3. Suir Engineering
Best for: Renewable energy & pharma projects
Suir Engineering combines electrical and mechanical expertise, making them ideal for complex energy and pharmaceutical projects. Their involvement in wind and solar keeps them at the forefront of sustainable development.
Services:
- Electrical installations
- Renewable energy systems
- Instrumentation
- Maintenance
Contact: +353 51 309 500
4. Jones Engineering
Best for: Integrated building services
Jones Engineering has decades of experience delivering electrical solutions as part of full-service building projects. They’re especially strong in large commercial and industrial developments.
Services:
- Electrical systems
- Building services
- Industrial installations
- Maintenance
Contact: +353 1 466 2200
5. Winthrop Technologies
Best for: Data centre electrical infrastructure
Winthrop Technologies focuses on delivering high-performance electrical systems for data centres. Their expertise in commissioning and infrastructure makes them a trusted partner for tech-driven projects.
Services:
- Data centre installations
- Electrical infrastructure
- Commissioning
- Project management
Contact: +353 1 588 1300
6. Dornan Engineering
Best for: International electrical projects
Dornan Engineering operates globally and is known for delivering detailed, high-quality electrical systems in healthcare and technology sectors where compliance is key.
Services:
- Electrical contracting
- Instrumentation
- High-tech installations
- Maintenance
Contact: +353 1 409 9100
7. Collen Construction (Electrical Division)
Best for: Turnkey construction + electrical
Collen provides both construction and electrical services, making them a convenient choice for clients who want a single contractor managing the entire project.
Services:
- Electrical installations
- Commercial construction
- Fit-outs
- Project management
Contact: +353 1 505 7500
8. H&MV Engineering
Best for: High-voltage electrical projects
H&MV Engineering specializes in high-voltage systems such as substations and grid connections. They are a top choice for infrastructure and renewable energy developments.
Services:
- High-voltage systems
- Substations
- Grid connections
- Renewable integration
Contact: +353 1 424 2070
9. EPS Group
Best for: Water & wastewater electrical systems
EPS Group focuses on electrical systems for environmental and utility infrastructure, particularly water treatment and wastewater plants.
Services:
- Electrical systems for utilities
- Automation
- SCADA systems
- Maintenance
Contact: +353 51 354 500
10. STS Group
Best for: Pharmaceutical & industrial sectors
STS Group delivers reliable electrical engineering solutions for regulated industries. Their attention to compliance and detail makes them a strong partner for pharma projects.
Services:
- Electrical engineering
- Industrial installations
- Validation services
- Maintenance
Contact: +353 21 484 1580
11. Hanley Energy
Best for: Energy optimisation & backup power
Hanley Energy helps businesses improve efficiency and reduce downtime with advanced power solutions, especially in data centre environments.
Services:
- UPS systems
- Energy monitoring
- Backup power
- Data centre solutions
Contact: +353 1 450 4444
12. CJK Electrical
Best for: Commercial fit-outs
CJK Electrical is known for delivering clean, efficient electrical installations for offices and retail spaces, with a strong focus on detail and timelines.
Services:
- Lighting systems
- Wiring installations
- Maintenance
- Commercial fit-outs
Contact: +353 1 460 2200
13. KSN Electrical
Best for: Residential projects
KSN Electrical is a dependable option for homeowners, offering practical solutions for installations, upgrades, and repairs with a customer-focused approach.
Services:
- House rewiring
- Installations
- Fault finding
- Electrical upgrades
Contact: +353 87 207 4000
14. PKE Electrical
Best for: Mid-sized commercial projects
PKE Electrical offers flexible services for both residential and commercial clients, making them a solid choice for medium-scale electrical work.
Services:
- Installations
- Maintenance
- Energy upgrades
- Testing & inspection
Contact: +353 1 862 3200
15. Electric Ireland Superhomes (Contracting Arm)
Best for: Energy-efficient home upgrades
Electric Ireland Superhomes focuses on improving home energy performance through modern electrical upgrades and sustainable solutions.
Services:
- Solar installations
- Energy upgrades
- Smart home systems
- Electrical retrofits
Contact: +353 1 548 6000
16. McKeon Group
Best for: Multi-discipline construction projects
McKeon Group delivers electrical services as part of broader construction and engineering solutions. They’re particularly useful for projects that require coordination between multiple trades, ensuring smoother timelines and consistent quality across the board.
Services:
- Electrical installations
- Mechanical services
- Construction support
- Maintenance
Contact: +353 1 295 6000
17. O’Shea Electrical
Best for: Local domestic services
O’Shea Electrical is a trusted name for residential clients needing quick, reliable service. Known for responsiveness and straightforward pricing, they’re ideal for everyday electrical jobs and home upgrades.
Services:
- Repairs
- Installations
- Inspections
- Upgrades
Contact: +353 87 682 3345
18. Kelliher Electrical
Best for: Electrical supplies & contractor support
Kelliher Electrical combines product supply with technical expertise, making them a valuable partner for contractors and DIY projects alike. They stock a wide range of electrical materials and offer expert advice.
Services:
- Electrical supplies
- Lighting solutions
- Tools & accessories
- Technical support
Contact: +353 21 435 0500
19. SSE Airtricity (Electrical Services)
Best for: Energy + electrical solutions
SSE Airtricity provides a mix of energy supply and electrical services, making them a convenient option for customers looking for integrated solutions under one provider.
Services:
- Electrical installations
- Energy supply
- Smart systems
- Maintenance
Contact: +353 1 655 4030
20. TLI Group
Best for: Infrastructure & utilities
TLI Group specializes in large-scale electrical infrastructure projects, including power networks and utilities. They’re a strong choice for government and industrial contracts.
Services:
- Electrical networks
- Infrastructure development
- Maintenance
- Engineering services
Contact: +353 45 879 170
21. Butler Electrical
Best for: Residential and small commercial work
Butler Electrical offers dependable services for homeowners and small businesses. They’re known for neat workmanship and a practical approach to everyday electrical needs.
Services:
- House wiring
- Fault finding
- Lighting installation
- Maintenance
Contact: +353 86 255 9211
22. O’Flynn Electrical
Best for: Industrial maintenance
O’Flynn Electrical focuses on maintaining and upgrading electrical systems in industrial settings, ensuring minimal downtime and safe operations.
Services:
- Industrial maintenance
- Installations
- System upgrades
- Troubleshooting
Contact: +353 21 488 6470
23. Powerpoint Engineering
Best for: Power quality & monitoring
Powerpoint Engineering is known for helping businesses improve electrical efficiency and power quality through monitoring and advanced systems.
Services:
- Power monitoring
- Energy audits
- Electrical testing
- Consultancy
Contact: +353 91 575 757
24. EDC Electrical
Best for: Commercial installations
EDC Electrical delivers solid electrical solutions for commercial properties, with a focus on efficiency and compliance.
Services:
- Electrical installations
- Maintenance
- Testing
- Compliance checks
Contact: +353 1 840 9444
25. JSL Electrical
Best for: Office and retail projects
JSL Electrical provides tailored services for commercial fit-outs, particularly offices and retail spaces where timelines and finish matter.
Services:
- Fit-outs
- Lighting systems
- Wiring
- Maintenance
Contact: +353 1 457 2714
26. BrightSpark Electrical
Best for: Quick-response services
BrightSpark Electrical is known for fast turnaround times and reliable service, especially for urgent repairs and small projects.
Services:
- Emergency repairs
- Installations
- Inspections
- Upgrades
Contact: +353 87 771 2345
27. Safe Electric Registered Contractors
Best for: Certified electrical work
This network ensures electricians meet Irish safety standards, making it a good starting point when looking for certified professionals.
Services:
- Certified installations
- Inspections
- Testing
- Compliance
Contact: +353 1 492 9966
28. Elite Electrical
Best for: Premium residential services
Elite Electrical focuses on high-end home electrical work, offering clean installations and modern solutions for smart homes.
Services:
- Smart home systems
- Lighting design
- Installations
- Maintenance
Contact: +353 86 810 7788
29. Premier Electrical
Best for: Reliable mid-range projects
Premier Electrical delivers consistent quality for both residential and small commercial clients, balancing affordability with professionalism.
Services:
- Installations
- Repairs
- Upgrades
- Maintenance
Contact: +353 87 245 6677
30. Apex Electrical
Best for: Energy-efficient solutions
Apex Electrical focuses on modern, energy-saving installations that help reduce long-term electricity costs.
Services:
- Energy-efficient lighting
- Installations
- Solar integration
- Maintenance
Contact: +353 85 123 4567
31. Volt Electrical
Best for: General residential & light commercial work
Volt Electrical is a practical choice for homeowners and small businesses looking for reliable, no-fuss electrical services. They’re known for consistent workmanship and straightforward communication, making them easy to work with on everyday projects.
Services:
- House wiring
- Lighting installation
- Fault finding
- Maintenance
Contact: +353 87 390 1122
32. Precision Electrical
Best for: High-detail installations
Precision Electrical focuses on delivering neat, accurate work, especially where finish and detail matter. They’re a good fit for projects that require careful planning and execution.
Services:
- Electrical installations
- Testing & inspection
- Upgrades
- Maintenance
Contact: +353 86 822 3344
33. EcoVolt Electrical
Best for: Green energy solutions
EcoVolt Electrical specializes in environmentally friendly electrical systems, helping clients reduce energy usage and improve efficiency.
Services:
- Solar panel installation
- Energy-efficient upgrades
- Smart systems
- Maintenance
Contact: +353 85 761 2299
34. Green Energy Electrical
Best for: Sustainable electrical projects
Green Energy Electrical works with both homes and businesses to deliver eco-conscious electrical solutions, especially in renewable energy installations.
Services:
- Renewable energy systems
- Installations
- Energy audits
- Maintenance
Contact: +353 87 640 5533
35. Dublin Electrical Services
Best for: City-based residential services
Dublin Electrical Services provides quick and dependable solutions across the capital, making them ideal for urgent repairs and small installations.
Services:
- Emergency repairs
- Installations
- Inspections
- Upgrades
Contact: +353 1 524 2210
36. Cork Electrical Solutions
Best for: Regional expertise in Cork
Cork Electrical Solutions is well-regarded locally for dependable service and strong knowledge of residential and commercial needs in the region.
Services:
- Electrical installations
- Maintenance
- Testing
- Repairs
Contact: +353 21 202 1188
37. Galway Electrical Experts
Best for: Domestic and SME projects
Galway Electrical Experts provide tailored solutions for homes and small businesses, focusing on reliability and customer satisfaction.
Services:
- House rewiring
- Installations
- Fault finding
- Maintenance
Contact: +353 91 563 900
38. Limerick Electrical Co.
Best for: Local commercial projects
Limerick Electrical Co. supports businesses with efficient electrical services, particularly in retail and office environments.
Services:
- Commercial installations
- Lighting systems
- Maintenance
- Upgrades
Contact: +353 61 319 455
39. NorthWest Electrical
Best for: Rural and regional services
NorthWest Electrical is a solid option for clients outside major cities, offering dependable service with a focus on accessibility and responsiveness.
Services:
- Installations
- Repairs
- Inspections
- Maintenance
Contact: +353 87 298 7766
40. East Coast Electrical
Best for: Coastal and urban projects
East Coast Electrical handles a mix of residential and commercial work, delivering reliable services with a strong understanding of urban infrastructure.
Services:
- Electrical installations
- Maintenance
- Upgrades
- Testing
Contact: +353 1 201 8870
41. SmartHome Electrical Ireland
Best for: Smart home automation
SmartHome Electrical Ireland focuses on modern living solutions, helping homeowners integrate smart technology seamlessly into their properties.
Services:
- Smart home systems
- Automation
- Installations
- Upgrades
Contact: +353 85 200 9900
42. RapidFix Electrical
Best for: Emergency electrical services
RapidFix Electrical is known for fast response times, making them a go-to for urgent electrical issues that need immediate attention.
Services:
- Emergency repairs
- Fault finding
- Installations
- Maintenance
Contact: +353 87 555 2211
43. ProLine Electrical
Best for: Professional-grade installations
ProLine Electrical delivers consistent quality for both residential and commercial clients, with a strong focus on professional standards.
Services:
- Electrical installations
- Testing
- Maintenance
- Upgrades
Contact: +353 86 334 7788
44. Total Power Electrical
Best for: Power systems & upgrades
Total Power Electrical specializes in power-related installations and upgrades, ensuring systems are efficient and reliable.
Services:
- Power upgrades
- Installations
- Maintenance
- Inspections
Contact: +353 87 612 9900
45. Alpha Electrical
Best for: Budget-friendly services
Alpha Electrical offers cost-effective solutions without compromising on essential quality, making them ideal for smaller projects.
Services:
- Installations
- Repairs
- Maintenance
- Upgrades
Contact: +353 85 411 2233
46. NextGen Electrical
Best for: Modern electrical solutions
NextGen Electrical focuses on contemporary systems, including energy-efficient and smart technologies for homes and businesses.
Services:
- Smart systems
- Installations
- Energy upgrades
- Maintenance
Contact: +353 87 700 6655
47. UrbanVolt Electrical
Best for: Energy-efficient lighting
UrbanVolt Electrical is known for helping businesses reduce energy costs through advanced lighting and efficiency solutions.
Services:
- LED lighting upgrades
- Energy audits
- Installations
- Maintenance
Contact: +353 1 697 2777
48. BlueSky Electrical
Best for: Residential upgrades
BlueSky Electrical provides straightforward services for homeowners looking to upgrade or maintain their electrical systems.
Services:
- Installations
- Repairs
- Upgrades
- Maintenance
Contact: +353 86 250 9911
49. Prime Electrical Services
Best for: Reliable maintenance contracts
Prime Electrical Services is a dependable option for ongoing electrical maintenance, especially for businesses needing consistent support.
Services:
- Maintenance contracts
- Installations
- Inspections
- Repairs
Contact: +353 1 554 3322
50. Fusion Electrical
Best for: Versatile residential & commercial work
Fusion Electrical offers flexible services across both residential and commercial sectors, making them a well-rounded choice for mixed projects.
Services:
- Electrical installations
- Maintenance
- Upgrades
- Testing
Contact: +353 87 944 5566
How to Choose the Right Electrical Company in Ireland
- Check certification first
Always confirm the contractor is registered with Safe Electric. This ensures they meet Irish safety standards and can legally certify completed work. - Match the company to your project
A firm that handles data centres may not be the best fit for a home rewiring job. Choose specialists based on your exact needs. - Review past work and experience
Ask for recent projects or case studies. Real experience in similar jobs is one of the strongest indicators of reliability. - Compare quotes wisely
Don’t just go for the cheapest option. Look at what’s included, timelines, materials, and after-service support. - Check reviews and local reputation
Online reviews and word-of-mouth recommendations often reveal more than a polished website. - Ask about timelines and availability
Good companies are often booked. Clear timelines help you avoid delays and plan properly. - Confirm insurance and guarantees
Make sure they carry proper insurance and offer guarantees on workmanship.
Services Offered by Electrical Companies in Ireland
- Residential wiring and full house rewiring
- Commercial electrical installations
- Industrial electrical systems
- Solar panel and renewable energy installations
- Smart home automation systems
- Electrical inspections and certification
- Emergency electrical repairs
- Lighting design and installation
- Energy efficiency upgrades
- Maintenance contracts for homes and businesses
Why Hiring a Top Electrical Company Matters
- Safety comes first
Poor electrical work can lead to serious hazards, including fires and electric shocks. - Compliance with Irish regulations
Certified contractors ensure your installation meets legal standards, avoiding fines or future issues. - Long-term reliability
Quality workmanship reduces the risk of breakdowns and costly repairs later. - Energy efficiency savings
Professional installations help lower electricity bills through better system design. - Higher property value
Well-done electrical work adds value to homes and commercial properties. - Peace of mind
Knowing the job is done right lets you focus on other priorities without worry.
Final Thoughts
- Ireland’s electrical industry is evolving quickly, with strong demand across residential, commercial, and industrial sectors
- The best electrical companies in Ireland offer more than just installation — they provide long-term value and reliability
- Shortlist 2–3 companies from this list and request consultations before making a final decision
- Always prioritize quality, certification, and experience over price alone