Calder Group

Calder Group is a pan-European engineering group, active in specialist engineering, lead engineering and the manufacture and distribution of lead sheet. It supplies a world-wide
customer-base in the aerospace, construction, healthcare, nuclear power, oil & gas and other markets.

In pursuit of

Calder Group stands for engineering excellence.

All our subsidiaries share a commitment to the highest standards of customer service, product performance and environmental management.

Specialist Engineering

precision engineering

Calder’s Specialist Engineering division manufactures niche, mission-critical components to challenging specifications and lead-times, for applications that require specialist skills and experience.

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Lead Engineering

lead engineering

Calder is the leading European manufacturer of radiation shielding. The group has lead engineering facilities in three European countries with a full range of process capabilities.

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Lead Sheet


Calder is Europe’s leading producer of lead sheet and ancillary roofing products. The group has manufacturing and distribution operations in five European countries.

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