Firmalyze is a Russian business research and counterparty-checking service that helps organizations assess potential partners and find prospective customers. Its database covers about 8.4 million companies and individual entrepreneurs, 1.5 million websites, and 195 industries. Users can search by tax identification number (INN), website, industry, or criteria such as revenue, website traffic, and hiring activity.

Company reports draw on public information, including tax and corporate registries and enforcement records, alongside website traffic data. Depending on the company, reports may provide contact details, reliability indicators, litigation, debts and bankruptcy information, revenue and profit trends, management and affiliations, vacancies, online traffic, and competitors. Firmalyze also offers industry directories, filters for business characteristics, and curated rankings covering company growth, revenue, profitability, digital capabilities, AI adoption, and other attributes.

The platform serves legal and security teams, sales and procurement professionals, accountants, and entrepreneurs conducting due diligence or prospect research. Some basic information is available without registration, while detailed reports are offered through a paid subscription.