Businesses are regulated by the federal, state, and local levels of government. The legal requirements of your business usually depend on your location and industry. You can use the Small Business Administration's (SBA) permit search engine to see what applies to you. The SBDC can assist you with being aware of the permits and business licenses that apply to your business.
It is required for most business types to obtain a Federal Employer Identification Number (FEIN) from the IRS. You can apply online or obtain an application from their website.
Certain industries are regulated by federal agencies. You can check with the Small Business Administration to see what federal permits or licenses are necessary for you.
You must register your business with the state of Illinois if conduct business or have Illinois customers. Visit the Illinois Department of Revenue's web site for more information.
Usually, businesses that require specialized training to operate (such as healthcare services and construction) are regulated by the Illinois Department of Professional Regulations. Visit their website to check your business type and access rules, regulations and permits.
Depending on the industry, your business may also be regulated by other state agencies. You can research what applies to you by contacting the Illinois Department of Commerce and Economic Opportunity (DCEO) at (800) 252-2923.
These depend on the city and county in which you live. Here is information for business registration in various local areas. The assumed name application applies to many business types and can be obtained from your County Clerk's office.
Here are some examples of permits that may apply to you.