In general, it is possible to change from a student residence permit into a residence permit for self-employment without leaving the country. However, the application procedure is not less complicated than the general process as you have to deliver a range of documents and information that proves the economic benefits and prospects of the success of your business. The requirements you have to fulfill are set down in § 21 AufenthG. Therefore, it is important that you start preparing your application as soon as possible so a smooth change of your residence permit is possible. First and foremost, the preparation should include drafting a valid business and finance plan. If you have drafted and collected the other necessary documents, you can apply for a change to the new residence permit.
