https://www.sba.gov/business-guide/launch-your-business/apply-licenses-and-permits

Apply for licenses and permits

Most small businesses need a combination of licenses and permits from both federal and state agencies. The requirements — and fees — vary based on your business activities, location, and government rules.

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Content

• Federal licenses and permits
• State licenses and permits

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Federal licenses and permits

You'll need to get a federal license or permit if your business activities are regulated by a federal agency.
Check to see if any of your business activities are listed here, and then check with the right federal agency to see how to apply.
Requirements and fees depend on your business activity and the agency issuing the license or permit. It's best to check with the issuing agency for details on the business license cost.

Business activity	Description	Issuing agency
Agriculture	If you import or transport animals, animal products, biologics, biotechnology or plants across state line.	U.S. Department of Agriculture
Alcoholic beverages	If you manufacture, wholesale, import, or sell alcoholic beverages at a retail location.	Alcohol and Tobacco Tax and Trade Bureau Local Alcohol Beverage Control Board
Aviation	If your business involves operating aircraft, transporting goods or people via air, or aircraft maintenance.	Federal Aviation Administration
Firearms, ammunition and explosives	If your business manufactures, deals, or imports firearms, ammunitions, and explosives.	Bureau of Alcohol, Tobacco, Firearms and Explosives
Fish and wildlife	If your business engages in any wildlife related activity, including the import or export of wildlife and derivative products.	U.S. Fish and Wildlife Service
Commercial fisheries	If your business engages in commercial fishing of any kind.	National Oceanic and Atmospheric Administration Fisheries Service
Maritime transportation	If you provide ocean transportation or facilitate the shipment of cargo by sea.	Federal Maritime Commission
Mining and drilling	If your business is involved in drilling for natural gas, oil, or other mineral resources on federal lands.	Bureau of Safety and Environmental Enforcement
Nuclear energy	If your business produces commercial nuclear energy, is a fuel cycle facility, or is involved in distribution and disposal of nuclear materials.	U.S. Nuclear Regulatory Commission
Radio and television broadcasting	If your business broadcasts information by radio, television, wire, satellite, or cable.	Federal Communications Commission
Transportation and logistics	If your business operates an oversize or overweight vehicle. Permits for oversize and overweight vehicles are issued by your state government, but the U.S. Department of Transportation can direct you to the correct state office.	U.S. Department of Transportation

State licenses and permits

The licenses and permits you need from the state, county, or city will depend on your business activities and business location. Your business license fees will also vary.
States tend to regulate a broader range of activities than the federal government. For example, business activities that are commonly regulated locally include auctions, construction, and dry cleaning, farming, plumbing, restaurants, retail, and vending machines.
Some licenses and permits expire after a set period of time. Keep close track of when you need to renew them — it's often easier to renew than it is to apply for a new one.
You'll have to research your own state, county, and city regulations. Industry requirements often vary by state. Visit your state's website to find out which permits and licenses you need.