Yandex N.V. (/ˈjʌndɛks/; Russian: Яндекс, IPA: [ˈjandəks]) is a Russian Dutch-domiciled multinational corporation providing over 70 Internet-related products and services, including transportation, search and information services, e-commerce, navigation, mobile applications, and online advertising. 
The firm is registered in Schiphol, the Netherlands as a naamloze vennootschap (Dutch public limited company), but the company founders and most of the team members are located in Russia. It primarily serves audiences in Russia and the Commonwealth of Independent States, and also has 18 commercial offices worldwide.
The firm is the largest technology company in Russia and the largest search engine on the Internet in Russian, with a market share of over 52%. It also has the largest market share of any search engine from Europe and the Commonwealth of Independent States and is the 5th largest search engine worldwide after Google, Baidu, Bing, and Yahoo!.