The Demex Group | 1,564 followers on LinkedIn. Covering financial risks caused by extreme weather volatility. | Demex is a technology-enabled services company that enables insurance companies to mitigate the economic impacts of climate change. Growing losses from severe weather are making the business model for insurance companies unsustainable. Over the past decade, losses from such events as severe convective storms (SCS), hailstorms, derechos, winter storms, and drought have vastly outpaced damages from traditional catastrophes such as hurricanes, wildfires, and earthquakes.