There are several tax schemes available and depending on your situation (who pays your bills, employees, etc) you might be eligible for "УСН - упрощенная система налогообложения" (simplified tax system). You'll pay 6% from your income + 15% from your profit. Here's an article you might find interesting (in Russian of course): https://www.moedelo.org/club/article-knowledge/individualnyj...