Cambi ASA (CAMBI.OL) Stock Analysis & Winston Score

Cambi ASA is a Norwegian company that helps cities and towns turn sewage sludge — the solid waste left over from treating wastewater — into useful products like biogas and fertilizer. Its core technology is called Thermal Hydrolysis Process (THP), which uses heat and pressure to break down sludge so it can be digested more efficiently. Cambi sells this technology to municipal water utilities and wastewater treatment plants around the world. The company earns money by designing, engineering, and supplying THP systems to customers, along with ongoing service and support contracts. Cambi operates globally, with projects across Europe, North America, Asia, and beyond, and its technology is widely regarded as the leading standard in thermal hydrolysis for wastewater treatment. Its main growth driver is tightening environmental regulations that push cities to handle sewage sludge more sustainably, though its main risk is that it sells large, one-time capital projects, meaning revenue can be lumpy and hard to predict year to year.