London-based Element has supported the NHS during the pandemic by testing ventilator prototypes free of charge, and it adapted to local restrictions to keep the majority of its 199 laboratories around the world open. It tests the safety and compliance of materials used in sectors such as aerospace, transport, energy and health sciences. The acquisition of the American company PC Test took the company into testing for “internet of things” applications. Jo Wetz, 43, took over as chief executive from Charles Noall, 60, last December.