
HV Residential Development Power Supply
HV infrastructure providing dependable power to new homes.
Muzz Jointing Ltd · Company 16437475 · Trading heritage since 2025
Active·subcontractor·Head office Aberdare
Muzz Jointing Ltd is a specialist provider of professional cable jointing services, committed to precision, safety, and reliability across the United Kingdom. With over 500 LV/HV projects completed nationwide since its establishment in 2025, the company has become a trusted partner for critical electrical infrastructure. Their highly skilled technicians possess extensive experience in both low-voltage (LV) and high-voltage (HV) systems, ensuring seamless power performance and dependable operational continuity.
Services include precision jointing for LV networks compliant with IDNO/DNO codes, and expert terminations and straight joints for 11kV/33kV HV systems, managed under robust permit-to-work procedures and RAMS. Beyond core jointing, Muzz Jointing Ltd offers integrated electrical solutions such as new connections, sub-station works, above and below ground earth solutions, and EV charging infrastructure. They also provide 24-hour emergency fault diagnostics and repairs, cable damage repair services, and cable testing, ensuring comprehensive support for diverse electrical needs.
Safety is paramount, with all projects delivered under rigorous safety controls, including permit-to-work systems and detailed Risk Assessment and Method Statements (RAMS).

HV infrastructure providing dependable power to new homes.

Fast and reliable LV residential connections, restoring power with minimal disruption.

Full design and installation of residential substations, from HV terminations through to LV distribution, built to DNO/IDNO standards.
11KV/33kV connections and upgrades delivered to strengthen capacity and network resilience.
Supply and feeder pillar installation for a retail park charging hub.
LV cable jointing and connections on solar farm and battery energy storage system sites, supporting the UK's growing renewable energy infrastructure.
HV connections for solar farms and battery storage sites, supporting reliable clean energy delivery.
Comprehensive earthing installations for all network types, delivered above and below ground to meet DNO safety and regulatory standards.
Safe and efficient cable installation across residential and commercial sites, pulled and routed to specification with full site management and reinstatement.
DNOs, IDNOs.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Professional cable jointing services delivered with precision, safety, and reliability across the United Kingdom. Specialising in LV/HV systems. Their listed services include Electrical, Utilities and EV charging.
Muzz Jointing Ltd is registered at ABERDARE, CF44 6WY, in Wales.
Muzz Jointing Ltd states that it works across Nationwide.
Companies House lists Muzz Jointing Ltd as active.
Muzz Jointing Ltd works in Residential, Commercial, Industrial, Infrastructure and Energy.
Muzz Jointing Ltd was incorporated on 2025-05-08.
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