Diamond Controls, which has a head office in Norwich and a team of engineers operating across the South East and London, was named Medium Business of the Year award, sponsored by MAD-HR, at the EDP Business Awards 2025.

For more than 20 years, it has built a reputation not only for technical expertise, but also for being reliable, approachable and solutions-focused.

The company’s services are used by mechanical and electrical contractors, facilities and operations managers, property managers and developers within the wider construction sector, and by end users directly.

Recognising the underserved areas of its sector led the business to expand its client services to include a wider range of trade offerings for trace heating, training courses for insulation contractors, alongside the introduction of gas detection systems to its product range.

Diamond Controls has delivered leak detection and trace heating systems on prestigious developments including 30 Grosvenor Square, 21 Moorfields and Salisbury Square, plus new data centre........

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