Your Trusted Partner in High Voltage System Safety & Efficiency
Your trusted partner for high voltage Installation, Jointing, Commissioning and Consultancy services in the UK

SCROLL DOWN
Full HV System Commissioning
End-to-end energisation & compliance testing for new installations across rail, renewables, and industrial sectors
›
Installation & Jointing Solutions
Certified HV cable installation and jointing services for critical infrastructure projects
›
Strategic HV Consultancy
From feasibility studies to lifecycle optimisation for power networks and renewable energy projects
›
Sector-Specialised Maintenance
Preventive & emergency support for rail, utilities, and renewable energy systems
›
Our Services
Let’s Engineer Your Next Power Project
We specialise in HV installation, jointing, commissioning & consultancy for Power Distribution, Rail, Renewable Energy, Utilities & Industrial sectors
Recent Projects
Recent Completed Projects
case study
High Speed 2 (HS2)
case study
Kelvin Energy from Waste Plant
case study
Eco-Park - London Energy
Service Highlights
Project Site Teams
We take pride in the proven skills of our teams, and we have available highly skilled teams of the following fully vetted and accredited Skilled People
01.
Installation and Maintenance Electricians
02.
Test and Inspection Electricians
03.
HV and LV Cable Jointers
04.
Supervisors and Managers
05.
Commissioning Engineers
06.
Installation Fitters

Testimonials
Client Reviews
Our diverse UK-based team are proud to have worked with some of the most reputable clients, including being an approved contractor for TFL's Elizabeth Line.

Tony Giudice

Joshua Brown

Richard Humphrey
Project Manager & Head of Quality Assurance

Porter
Principal Duty Holder and Qualified Supervisor

Browne
HV Operations Director
Our Management Team
Richard Humphrey is a project management specialist with over 20 years in railway construction, commissioning, and maintenance, with expertise in comms, signalling, HV, LV, and MEP systems reliability. John Porter and Vivian Browne, founding members of JVR, bring a combined 55 years of electrical project experience, with John focused on HV/LV system safety and testing, and Vivian on HV operations, including large-scale European installations and DNO authority standards.