Caldervale Group is the UK’s leading specialist in heat treatment, serving Scotland, England, and Ireland. Since 1902, we have continuously adapted to market demands, refining our skills, expertise, and processes to earn the trust of major manufacturing brands. Our services support industries such as oil & gas, rail, automotive, and general manufacturing.

We maintain a policy of continual investment, recently adding six new furnaces to meet the diverse needs of our customers, enabling us to provide all heat treatment requirements from a single, trusted source. This commitment ensures we deliver cutting-edge solutions and services, reinforcing our position as market leaders.

Our specialist techniques have been honed over years of experience and best practice. Every process undergoes rigorous quality control, including continuous in-house testing and assessment, and we are certified to ISO 9001:2015 standards.