FROM CONCEPT
TO CONNECTION
At JSM Group, we are a leading specialist infrastructure engineering company. We design and install the complex power networks, digital infrastructure and specialist systems a future-focused worldwide marketplace needs.
From High-Power grid connections to Critical Utilities. Data Centres to Renewable Energy, our full turnkey solution teams manage the full scope to help advise and deliver complex infrastructure projects at speed, on time and with reduced legislation, technical and commercial risks.
POWER
As demand for power grows across the world, the infrastructure behind it has become the critical connection. From solution design, planning, civil engineering, high-voltage cabling and connections, JSM deliver much more than keeping the lights on.
DIGITAL INFRASTRUCTURE
Building and maintaining the digital backbone for the world’s expanding AI data centres, telecoms and modern industries has never been so critical. From complex design, through to civil and data engineering of ultra-fast hollow core fibre and optical interconnectors, our solutions teams offer near unparalleled coverage and expertise.
ADVISORY
High-risk, high-cost, high-complexity, all very real pressures that come with digital infrastructure and HV power solutions. Which is why JSM Advisory sits at the front end of your project, working with developers, city planners, business owners, and utility companies to de-risk strategy, validate feasibility and build confidence before infrastructure construction starts.
Specialisms
All our specialisms are delivered in-house. No handoffs between contractors. No surprises on site. From initial design through long-term support, we own every stage – and we execute it all to the same standard.
Precision engineering alone doesn’t cut it. We pair technical excellence with relentless safety discipline, so your infrastructure stays resilient, compliant and future-ready. Built for today. Delivered to last.
FOUNDATIONS
Governance. Health and safety. Quality. Social value. These aren’t sidelines, they’re how we deliver everything. Rigorous systems, in-house discipline, transparent accountability. We build trust by doing exactly what we say. Every project. Every time.
132kV Data Centre Connection
The client required the delivery of a 6.5km civil infrastructure route, primarily within public highways, as part of a 60MVA 132kV Data Centre connection in Hemel Hempstead, Hertfordshire.
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Hollow Core Fibre Connection – Data Centre
The client required 7.6km of hollow core fibre (HCF) to be installed in London docklands.
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21MVA Battery Energy Storage System
The client required the design, construction, and commissioning of a 21MVA Battery Energy Storage System (BESS) compound in Broadditch, Kent.
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132kV Energy to Waste Connection
The client required the design, installation, and commissioning of a new 132kV electrical supply system to support energy recovery operations in Belvedere, Dartford.
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News
Senior leadership visit to UK battery gigafactory project
Read moreSpotlight | Sustainable Development and The JSM Way
Aligning with UN SDGs to drive long-term value in utility infrastructure.
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Celebrating Our First Leadership Academy Cohort
Front‑Line Supervisors Complete Level 1 – Leading the Frontline
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