Hexxcell Ltd. is a London based software and consulting company providing predictive analytics and prescriptive maintenance solutions for industrial heat transfer systems. Hexxcell’s industry proven Hybrid-AI Digital Twin technology combines Artificial Intelligence (AI) with rigorous physics-based models and deep domain knowledge for Advanced Monitoring, Predictive Analytics and Prescriptive Maintenance of industrial thermal systems. It is currently being used by large integrated oil & gas and petro-chemical companies as well as independent and state-owned refineries to increase production and energy efficiency, reduce fuel consumption and CO2 emissions, mitigate fouling, and to optimally manage cleaning of heat exchangers. Hexxcell's team of chemical, mechanical and process systems engineers have deep domain knowledge of heat transfer, mathematical modelling, artificial intelligence (AI) and data science.