To get a business permit in Germany, you must have sufficient funding, submit evidence that your business is in high demand in a regional German area, have a business plan, etc.
You can follow the below steps to get a business permit in Germany:
Step 1: Check if you require a visa to enter and work in Germany as a non-EU citizen
Step 2: If yes, apply for a Business visa or a self-employment residence permit
Step 3: Come up with a business plan
Step 4: Register your business at the nearest local trade office.
Step 5: Obtain the license or permits required for your business