SIRIUS PROJECT LLC was established in 2017 and is focused on performing research and design work on the preservation of cultural heritage sites. The main priority is the quality of the services provided. The main asset is the employees who have many years (more than 40 years) of practical experience in preserving cultural heritage sites of various levels, including UNESCO sites. A number of employees have been awarded state awards and the title of "Honorary Restorer of Moscow", are members of the NMS at the MC of the Russian Federation and ICOMOS Russia. One of the types of professional interests of the enterprise is Chemical and technological research of finishing materials on cultural heritage sites. For this purpose, a laboratory base has been formed. Chemists-technologists have the highest certification category.