Just register your company. Each country has its institutions with different rules how to do it. But once you do it, you get many benefits for your business because legal companies are always welcome in the trade world.
If you have an active business, you just need to register your company at the local Government Institution. A business license is a tax registration certificate that legally allows you to conduct a business.
First of all, you must have a registered company. Business License is given only by the government or the state institution from the country you live in.
Business Licenses or Company Registration Numbers are permits issued by your government agencies that allow individuals or companies to conduct business within the government's geographical jurisdiction.