Nanolek LLC is a Russian biopharmaceutical company founded in 2011. The company is one of the leaders in manufacture of pediatric vaccines in the Russian Federation. In 2023, Nanolek entered the TOP-3 largest suppliers of vaccines for the National Immunization Schedule. Every year, more than 3 million children in Russia are vaccinated with Nanolek vaccines. The company's portfolio also includes specialized drugs for treatment of oncological, orphan (rare), and other diseases. Nanolek's portfolio includes more than 20 products. Additionally, seven drugs are at various stages of preparation for commercialization.