Diploma PLC

Diploma PLC is a British public limited company specializing in the supply of highly specialized technical products and services to diverse industries worldwide. Organized into three main sectors—Controls, Seals, and Life Sciences—it provides essential consumables, instrumentation, seals, gaskets, filters, specialized wiring, connectors, fasteners, and control devices. These offerings serve sectors including healthcare, environmental management, heavy mobile machinery, industrial equipment, aerospace, renewables, infrastructure, and more. With a decentralized model, Diploma PLC empowers local management teams for agile execution and continuous improvement, fostering strong customer relationships through value-added distribution, technical expertise, and bespoke solutions. Founded in 1931 and headquartered in London, England, the company operates across the UK, North America, Europe, Australia, New Zealand, and other regions, employing approximately 3,390 people. As a FTSE 100 constituent in the industrials sector, specifically industrial distribution, Diploma PLC plays a key role in global supply chains by delivering compounding growth and resilient performance.