Scientific library, being a traditional institution for preservation and transmission of information, has the potential, which implementation can be determined by new models of social impact, depending, among other things, on introduction of innovative forms and methods of functioning. In the context of developing digitalization of resources and communications, scientific and methodological support for the activities of scientific libraries providing profile information to research scientists and specialists is of particular importance. The article presents forms and methods of information and methodological support for the activities of the libraries of the Siberian Branch of the Russian Academy of Sciences (SPSTL SBRAS), carried out by the State Public Scientific Technological Library of the Siberian Branch of the Russian Academy of Sciences – the methodologica l center for the libraries of the Siberian Branch of the Russian Academy of Sciences, which are transforming in connection with the processes of science reformation and restructuring the system of scientific institutions, that began in the second decade of the 21st century . Information about the services and products offered by the SPSTL SB RAS, presented in the article, can be used by libraries to improve the information support of scientists and specialists.