Precision‑engineered - Expertly supported.

UK‑manufactured radiation detection and shielding technologies built for performance and reliability. Trusted for over 50 years across the nuclear, defence, medical and research communities.

Our Instruments are Made & Supported in the UK

Holiday season opening hours - JCS will close on 24th December & re-open on the 5 January 2026

Radiation Detectors​

Since 1975, we’ve specialised in custom scintillation detector design.
 
Our experience, materials expertise, and technical capability allow us to engineer detectors that meet exact measurement requirements across nuclear, medical, industrial and research applications

Radiation Monitors

Our radiation monitors combine robust UK build quality with our decades of detector experience.
 
From handheld instruments to installed systems, we provide monitoring solutions tailored to the environment and the measurement challenge.

Radiation Shielding

JCS Nuclear offers one of the UK’s most comprehensive ranges of neutron and gamma shielding materials.
 
With decades of hands‑on experience, we work with you to design and optimise shielding solutions for facilities, experiments and specialist environments.

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