CHQ Technologies P.C. is a start-up/spin off company of the Technical University of Crete (TU-Crete), established in December 2019 in Chania, Greece. The key scientists and partners are Prof Nicolas Kalogerakis, Dr Evdokia Syranidou and Dr Eleftheria Antoniou, all from the Laboratory of Biochemical Engineering and Environmental Biotechnology of the School of Environmental Engineering at TU-Crete. As a TU-Crete spin off company, CHQ Technologies PC has access to the facilities and analytical equipment available in the School of Environmental Engineering at TU-Crete. The leading team has long research experience on all aspects of bioremediation and phytoremediation, wastewater treatment, combating pollution in the marine and terrestrial environment including agricultural soils. The focus is on biotechnological means to mitigate environmental pollution and to develop processes that address user’s needs following the guidelines for a circular economy. CHQ focuses on the bioremediation of polluted marine and terrestrial environment especially due to hydrocarbons and plastics in a circular perspective. Development and optimization of sustainable as well as innovative (bio)technologies are the main pillars.