Investors mainly invest through venture capital funds. In 2020, they accounted for 75% of startup financing. This is the highest figure since 2012. Funds collect money from several investors and then distribute it among potentially successful projects. However, Russian organizations have a rather high entry threshold - from $500 thousand. So I can advise you on some types of development and an opportunity to study the market from the inside. You can try contacting a company
https://mcdanielcorp.com/ which deals with such issues