Seminar paper from the year 2011 in the subject Business economics - Business Management, Corporate Governance, grade: 2,0, University of Applied Sciences Essen, course: Strategic Corporate Management, language: English, abstract: Nokia Cooperation is the world leading supplier of mobile phones and a titan of European and world technology. Nokia is now suffering from the economic crisis and from the fast growing smartphone market, where its rival Apple became the leader. Nokia's history goes back for more than 140 years and it had to undergo different changes and legal environments. The successful development of Nokia has set a great example in the business world in order to learn from its effectiveness in implementing various different strategies which had helped Nokia to secure the position around the world until recently. After a definition of a diversification strategy this paper will than describe a brief history of Nokia. The aim of this investigation is to demonstrate the different diversification strategies Nokia has applied during the past until today.