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32 Years
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Your Trusted Electrical Contractors in Portsmouth
Mayo Electrical has been delivering safe, reliable, and high-quality electrical installations for over two decades. Our expertise spans domestic, commercial, and industrial sectors, serving clients across Portsmouth and surrounding areas. As a NICEIC-approved contractor, we adhere to the latest industry standards and regulations, ensuring all work is certified and compliant. Our team of highly trained engineers holds qualifications such as 18th edition IEE wiring regulations, NVQ Level 3, and CompEx certifications. We prioritise customer satisfaction through minimal disruption, free quotations, and 24-hour emergency call-outs.

Our commitment to excellence is backed by NICEIC warranties and a track record of repeat clients. We collaborate with architects, construction firms, and local authorities to deliver tailored solutions for projects ranging from residential rewires to large-scale commercial installations. Sustainability and community investment are central to our ethos, reflecting our dedication to ecological and economic growth.
Services
Domestic Installations Commercial Installations Electrical Testing Consumer Units Industrial Installations EV Charging Thermal Imaging MVHR Systems
Details
  • Year established: 1994
Highlights and features
  • Over 20 years of experience in electrical installations across all sectors
  • NICEIC-approved contractors with certified warranties on all work
  • 24-hour emergency call-outs and free, no-obligation quotations
  • Highly trained engineers with 18th edition and NVQ Level 3 qualifications
  • Commitment to minimal disruption and customer-centric service
Associations and certifications
  • NICEIC
  • Part-P
What people say
Excellent service Professional yet friendly True value for money Prompt and efficient Highly recommended
Services
Domestic Installations
We design and install LED lighting, extra sockets, and full rewires for residential properties. Our team ensures minimal disruption while delivering safe, modern solutions tailored to homeowners' needs. With over 20 years of experience, we prioritise compliance with the latest regulations and offer NICEIC-backed warranties for all work.
Commercial Installations
Our commercial services include energy-efficient lighting, emergency systems, and data installations for offices and retail spaces. We collaborate with architects and contractors to meet project deadlines while adhering to strict safety standards. Clients include B&Q and Center Parcs, reflecting our capability for large-scale projects.
Electrical Testing
We conduct portable appliance testing (PAT) and condition reports for domestic and commercial properties. Using advanced equipment, we identify faults and ensure compliance with safety regulations. Our NICEIC-certified engineers provide detailed reports and remedial solutions to maintain electrical safety.
EV Charging
As approved installers, we supply and fit EV chargepoints for homes and businesses. Our services include site assessments, installation, and maintenance, ensuring compatibility with all vehicle types. We help clients transition to greener energy solutions with minimal disruption and maximum efficiency.
MVHR Systems
We install Mechanical Ventilation and Heat Recovery systems to improve indoor air quality and energy efficiency. These systems extract heat from kitchens and bathrooms, filter air, and redistribute it to living spaces, reducing moisture and enhancing comfort in residential and commercial properties.
People
Jason Mayo
Director
Jason founded Mayo Electrical in 1994 and holds qualifications including 18th edition IEE wiring regulations, NVQ Level 3, and CompEx certifications. He oversees project management and technical compliance.
Julie Mayo
Technical Director
Julie manages day-to-day operations, accounting, and health & safety compliance. With 15 years of experience, she ensures efficient project delivery and client communication.
Questions
What electrical services does Mayo Electrical offer?
We provide domestic, commercial, and industrial installations, including EV charging, thermal imaging, consumer unit upgrades, and MVHR systems.
Are Mayo Electrical NICEIC approved?
Yes, we are NICEIC-approved contractors, ensuring all work meets industry standards with certified warranties.
Do you offer emergency electrical services?
Yes, we provide 24-hour emergency call-outs for urgent electrical issues.
What areas do Mayo Electrical serve?
We operate across Portsmouth, Hampshire, Hayling Island, Ferndown, and Emsworth.
Can Mayo Electrical install EV charging points?
Yes, we are approved EV chargepoint installers for homes, businesses, and fleets.
Reviews (1)
Guy Parkins
Aug 14, 2018 Report
Top team @ Mayo Electrical. Super friendly and hard workers. Top marks on the work to date. Thanks again guys!