TetraKit Technologies is a click chemistry-based radiochemical platform developing therapeutics for metastatic cancer. The company offers targeted radionuclide therapy and nuclear imaging platform for the diagnosis of cancer and provides offers radiopharmaceuticals fluorine-18 and astatine-211 as radionuclide pairs for PET imaging and targeted alpha-radionuclide therapy. It was founded in 2021 and is headquartered in Copenhagen, Denmark.