
Commercial Electrical Services
At MJ Armstrong, we specialise in delivering high quality commercial and industrial electrical services, from full installations and refurbishments to testing, commissioning, and compliance upgrades. With strong experience in the construction sector, our team is equipped to handle complex electrical systems including distribution boards, containment, lighting, industrial power, and temporary site supplies. We manage projects from design through to completion, ensuring every installation is safe, efficient, and fully compliant with industry standards.
Our in-house Project Managers, Supervisors, and qualified Electricians take a proactive, client-focused approach, adapting to the needs of each site and organisation. Whether working on commercial fit-outs or large industrial environments, we are committed to delivering reliable solutions on time, within budget, and with a level of workmanship that adds long-term value to every project.
Domestic Electrical Services
We provide safe, reliable, and fully compliant domestic electrical installation services for homeowners, landlords, and residential developers. Our team delivers everything from full and partial rewires to new consumer units, lighting installations, additional sockets, and home electrical upgrades. We handle each project with care and precision, ensuring all work meets current regulations and is designed to keep households safe and efficient.
With qualified Electricians, we take a customer focused approach to every home we work in. Whether it’s a small repair or a full residential installation, we prioritise clear communication, tidy workmanship, and dependable results. Our goal is to provide homeowners with electrical systems that are modern, durable, and delivered to the highest professional standard.


Testing Inspection & Certification Services
We provide comprehensive testing, inspection, and certification services to ensure electrical systems in commercial, industrial, and domestic properties remain safe, compliant, and fully operational. Our qualified engineers carry out detailed assessments including EICRs, emergency lighting tests, and performance checks on existing installations. We identify faults, defects, or areas of non-compliance early, helping clients maintain safe environments and meet all regulatory, insurance, and landlord requirements.
As an NICEIC Approved Contractor, Domestic Installer, and BAFE-accredited provider, we issue recognised certification that verifies your installation meets the required standards. Our approach is thorough, transparent, and focused on long-term safety. Whether you need routine compliance testing or certification for a recent installation, we deliver accurate reporting, clear recommendations, and complete peace of mind.