In some cases it is recommended to establish a company in Japan in order to show a certain credibility to your business relations such as your office's landloard, clients and suppliers or to better manage the relation between several investors and directors.If you would like to start a business in Japan but don't have a long term visa that allows you to register yourself as resident in Japan yet, it is first necessary to appoint a Representative Director who is alredy resident in Japan as well as a physical office space to be able to register a company.