Business Details
32 Years
experience
Emergency
services
Your Trusted Electrical Contractors in Portsmouth
Mayo Electrical has been delivering high-quality electrical solutions since 1994, serving domestic, commercial, and industrial clients across Portsmouth and surrounding areas. Our team of NICEIC-certified engineers combines over 20 years of experience with the latest industry standards to ensure safe, reliable installations and maintenance. We prioritise customer satisfaction through transparent communication, competitive pricing, and a commitment to completing projects with minimal disruption. Our expertise spans residential rewires, commercial lighting, industrial systems, and EV charging infrastructure, backed by NICEIC warranties for added peace of mind.Recognised by clients for professionalism and technical excellence, we maintain strong relationships with local suppliers and contractors to deliver tailored solutions. From emergency repairs to large-scale developments, our approach integrates innovation with practicality, ensuring long-term value for every client. With a focus on sustainability and community investment, we aim to shape energy-efficient futures while upholding the highest safety and quality benchmarks.
Services
Domestic Installations
Commercial Installations
Electrical Testing
Consumer Units
Industrial Installations
EV Charging
Thermal Imaging
MVHR Systems
Details
- Year established: 1994
Highlights and features
- 20+ years of experience in electrical installations across all sectors
- NICEIC-certified engineers ensuring compliance with latest regulations
- 24/7 emergency call-out service for urgent electrical issues
- Free, no-obligation quotations for all projects
- Customer-centric approach with guaranteed satisfaction
Associations and certifications
- NICEIC
What people say
Professional service
Prompt and efficient
High level of customer service
Clean and tidy
Excellent value for money
Services
Domestic Installations
We design and install LED lighting, extra sockets, and complete rewires for residential properties. Our engineers ensure safe, future-proof solutions that maximise space efficiency while complying with Part-P regulations. From kitchen upgrades to full property rewires, we deliver tailored electrical systems with minimal disruption to homeowners.
Commercial Installations
Our team provides energy-efficient lighting, emergency systems, and data infrastructure for shops, offices, and large premises. We work closely with architects and contractors to meet commercial building standards, offering scheduled installations that avoid operational downtime. Services include display lighting, power distribution, and compliance testing for new and renovated business spaces.
Electrical Testing
We conduct comprehensive condition reports and portable appliance testing using computerised equipment. Our NICEIC-certified engineers identify faults in domestic and commercial systems, providing remedial solutions that meet current safety regulations. Regular testing ensures compliance with insurance requirements and prevents hazardous electrical failures in residential and business environments.
EV Charging
As approved installers, we fit home and business EV charge points for all vehicle types. Our solutions include smart charging systems, fleet installations, and maintenance packages. We handle full project management from site assessment to OLEV grant applications, ensuring fast, safe charging infrastructure that supports sustainable transport transitions for private and commercial users.
Industrial Installations
We specialise in 3-phase systems, machine workshops, and industrial CCTV installations. Our engineers hold CompEx and 18th edition qualifications for hazardous environments, delivering robust electrical infrastructure for manufacturing and production facilities. Services include emergency lighting, fire alarm systems, and compliance testing to ensure operational safety and regulatory adherence.
People
Jason Mayo
Director
Jason founded Mayo Electrical in 1994, holding NVQ Level 3 and 18th edition certifications. With expertise in design engineering and NICEIC management, he oversees project compliance and technical standards across all installations.
Julie Mayo
Technical Director
Julie manages daily operations, accounting systems, and health & safety protocols. With 15 years' experience, she ensures efficient project delivery and client communication while maintaining financial and administrative oversight.
Questions
What electrical services do you offer in Portsmouth?
We provide domestic, commercial, and industrial installations, including rewires, EV charging points, consumer unit upgrades, and emergency lighting systems across Hampshire.
Are your electricians certified?
All our engineers are NICEIC-certified and hold relevant qualifications including 18th edition wiring regulations and CompEx for industrial environments.
Do you offer emergency electrical services?
Yes, we provide 24-hour emergency call-outs for urgent electrical faults, with rapid response times across Portsmouth and surrounding areas.
Can you install EV charging points?
As approved installers, we fit residential and commercial EV charge points with full project management, including OLEV grant applications and smart charging solutions.
How long has Mayo Electrical been operating?
Established in 1994, we've delivered electrical solutions for over 20 years, becoming a limited company in 2006 to support continued growth and client demand.
Do you provide electrical testing services?
Yes, we offer portable appliance testing (PAT) and full electrical installation condition reports using computerised equipment to ensure safety compliance.