This paper addresses language needs and use in Finnish companies from the perspective of internationalization. It presents the selected results of a survey, which was carried out within the research project LangBuCom. The questionnaire was answered by 272 employees who have business contacts with German-speaking partners. The paper focuses on the requirements in terms of languages and communication that the respondents need to meet in their workplace. It considers the possibilities and challenges concerning contacts with partners in German-speaking countries, the importance of German in business contexts and those factors which promote efficient communication in international business communication. The study shows that most of the respondents have language skills in five or more languages. The respondents see both the possibilities and the challenges in their communication with partners in German-speaking countries and they perceive that the importance of German will increase. They also name several key factors for efficient communication.