Could anyone help with this question: I know that work permits can be gathered only with a sponsorship with a company. In other words, you first look for a job and once you found it you must apply for the work permit together with the company who wants to employ you.
When you get the work permit, is this valid only for working at the sponsor company? For how long are they typically issued? After how many years you may have a work permit that is independent (not bound with any specific company)? Or is it possible at all?