Business Details
35 Years
experience
Emergency
services
Professional Electrical Services London
Established in 1991, MJ Ronan Electrical has built a reputation as a trusted provider of comprehensive electrical services across London and the home counties. Our team comprises JIB-approved electricians who deliver professional, reliable, and competitively priced solutions tailored to residential, commercial, and industrial clients. We operate two dedicated divisions: one specialising in reactive maintenance, including periodic testing and upgrade works, and another focused on large-scale installations for schools, hospitals, offices, and high-specification domestic properties. As an NICEIC-approved contractor and Construction Line member, we adhere to rigorous industry standards, ensuring all projects meet exacting safety and quality requirements. Our commitment to customer satisfaction is reflected in our provision of free quotations, planned maintenance programmes, and a fleet of sign-written vehicles for clear identification.With over three decades of experience, we combine technical expertise with a client-centric approach to address both routine and complex electrical challenges. Our workforce carries full insurance coverage and ID, guaranteeing transparency and trust in every interaction. From emergency lighting systems to energy management solutions, we deliver tailored electrical installations that align with evolving client needs. Our portfolio includes high-profile projects such as hospital refurbishments, luxury residential builds, and commercial office developments, demonstrating our capability to handle schemes up to 400,000 in value. By maintaining consistent service quality and investing in continuous professional development for our team, we remain a leading choice for electrical contracting services in the capital and surrounding regions.
Services
Industrial Installations
Commercial Installations
Domestic Installations
Fire Alarms
Emergency Lighting
Periodic Inspection
PAT Testing
HVAC Control Systems
Security Systems
Energy Management
Details
- Year established: 1991
Highlights and features
- We have over 30 years of experience in electrical contracting
- Our team consists of JIB-approved, fully insured electricians
- We offer free quotations for all installation and maintenance projects
- We are NICEIC-approved contractors with industry-recognised certification
- We handle projects up to 400,000 in value across multiple sectors
Associations and certifications
- NICEIC
- Construction Line
- JIB
What people say
Professional service
Competitive pricing
Reliable electricians
Timely completion
Safety focus
Services
Industrial Installations
We design and install complete electrical systems for industrial premises including specialist lighting, power distribution, emergency systems, and control infrastructure. Our team handles projects up to 400,000, ensuring compliance with NICEIC standards and client specifications. From initial design to final testing, we deliver tailored solutions that enhance operational efficiency and safety in manufacturing facilities, warehouses, and production plants.
Commercial Installations
Our commercial electrical services cover full installations for offices, retail spaces, and healthcare facilities. We implement lighting systems, data networks, fire alarms, and security infrastructure to meet modern business requirements. With experience in high-profile projects like hospital refurbishments and hotel upgrades, we ensure minimal disruption to operations while delivering reliable, future-proof electrical systems that comply with current regulations and industry standards.
Domestic Installations
We provide comprehensive electrical solutions for residential properties including new builds, luxury homes, and social housing developments. Our services range from basic rewiring to complete smart home integration with lighting controls, AV systems, and security features. All work meets NICEIC certification requirements, with periodic testing available for landlords and property managers to ensure ongoing safety and compliance with rental regulations.
Periodic Inspection
We conduct mandatory electrical safety inspections for rented properties and commercial premises, providing detailed NICEIC-certified reports. Our testing identifies potential hazards and ensures compliance with recommended inspection intervals - every 5 years for rentals, 5 years for commercial properties, and 10 years for owner-occupied homes. We also offer pre-purchase inspections for properties with older wiring systems.
Emergency Lighting
Our emergency lighting solutions ensure compliance with safety regulations for commercial and industrial premises. We design and install maintained and non-maintained lighting systems that activate during power failures, providing critical illumination for evacuation routes and safety equipment. All installations meet BS 5266 standards, with regular testing and maintenance services available to guarantee system reliability.
Questions
What electrical services do you offer?
We provide industrial, commercial, and domestic electrical installations including fire alarms, emergency lighting, PAT testing, and periodic inspections. Our projects range from small repairs to full electrical system installations.
Are your electricians qualified?
All our electricians are JIB-approved and NICEIC-certified, carrying full insurance and identification. They receive regular training to maintain compliance with current electrical safety standards.
How often should electrical inspections be done?
Domestic properties require inspections every 10 years, rented properties every 5 years, commercial premises every 5 years, and industrial sites every 3 years as recommended by NICEIC guidelines.
Do you handle large-scale projects?
Yes, our contracts division manages projects up to £400,000 including hospital refurbishments, office developments, and luxury residential builds with integrated electrical systems.
