Aleris AB (Aleris) is a healthcare company principally engaged in providing a comprehensive range of healthcare, diagnostics, senior care, and psychiatric and psychosocial treatment services to its patients. The company is engaged in operating nursing homes, rehabilitation centers, home services, specialist care centers, surgical units, local hospitals, senior care homes, foster homes, psychiatric residential homes, radiology centers, audiology centers, clinical tests laboratories, and medical test centers. Further, the company is also engaged in the research and development projects related to the field of age-related macular degeneration, trauma, weight-loss surgery, and fibromyalgi, dementia. The other services offered by the company include orthopedic surgery, hand and foot surgery, clinical physiology, laboratory services, along with specialized treatment for eye surgery and care for adults and children. Aleris has its operations wide spread across Sweden, Norway and Denmark, and is headquartered in Stockholm, Sweden.