You need a business license to confirm that you are running your business legally. The word "license" is translated from Latin as "right". It refers to the right to engage in certain activities. There are types of activities in which it is enough to have an entrepreneurial patent, it applies when you don't have a registered company and you are doing your business alone. Of course, it depends on the legislation of the country where you will work. For example, for a company that provides factoring services,
https://factorforyou.com/oil-and-gas-factoring/, it is not possible to work under a patent, a license is required.
