The family-run company, employing around 100 people, operates primarily across East Anglia and London.
Based on a 4-acre site in March, near Peterborough, SDM undertakes projects of up to 1,500 tonnes, generating an annual turnover of approximately £20 million.
With a yearly capacity to design, detail, fabricate, and install around 6,000 tonnes of structural steel, the firm handles a wide range of work — from small-span portal frame buildings to composite high-rise developments and complex fabrication projects.