Doing almost any kind of activity aimed at making money requires a license. The process was simplified in 2008 with the introduction of “one stop” offices, but still requires several steps. One stumbling block for Americans is the clean criminal record, which the US doesn’t issue. For some professions, you need to prove your qualifications, which may require having diplomas translated. A final hurdle is convincing a landlord to sign off on using your flat as business address.
