Why Form a Limited Liability Company (LLC)?

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Best Cities in Illinois to Form Your LLC

aurora illinois - LLC Formation in aurora illinois chicago illinois - LLC Formation in chicago illinois

Illinois is home to Chicago and several other amazing cities.

Starting an LLC in Chicago, IL

The largest city in Illinois and the third most populous city in the US, Chicago has a lot going for it. It’s a major American metropolis, a transportation hub and home to several major industries.

  • Area of city: 234 sq mi
  • Population: 2.7 million
  • Population density: 11,500 people / sq mi
  • Cost of living: 19 percent above national average; housing is 43 percent more expensive
  • Time zone: CST
  • Sales tax: 10.25 percent

Major Industries in Chicago, IL

Chicago has a very diverse population and culture, resulting in the most balanced economy in the US. The Chicago metropolitan area has the third-largest science and engineering workforce of any metropolitan area in the nation. Chicago is home to 12 global Fortune 500 companies and is a major center for many industries. Sectors that thrive in Chicago include banking, investing, consumer finance, pharmaceuticals, medical, healthcare, manufacturing, printing, publishing, retail and food processing. Chicago is also a major transport and infrastructure hub, including being a major commercial port for shipping.

Starting an LLC in Aurora, IL

Although it is located close to Chicago, Aurora is a proudly independent city and the second largest in the state of Illinois. Starting as a manufacturing city, Aurora has grown enormously over the past few decades, building a diversified economy.

  • Area of city: 46 sq mi
  • Population: 200,000
  • Population density: 4,400 people / sq mi
  • Time zone: CST
  • Sales tax: 8.25 percent

Major Industries in Aurora, IL

Aurora is on the edge of the “Illinois Technology and Research Corridor.” The city started as a manufacturing center and manufacturing still plays a major part in the area’s economy. Medical and healthcare businesses are also well represented, together with finance and investment.

Starting an LLC in Rockford, IL

Rockford, IL is the third largest city in the state and the largest Illinois city outside the Chicago metropolitan area. Starting as a center for industry and heavy equipment manufacture, Rockford has since diversified into other economic sectors.

  • Area of city: 62 sq mi
  • Population: 148,000
  • Population density: 2,500 people / sq mi
  • Cost of living: 9 percent below national average; housing is 22 percent cheaper
  • Time zone: CST
  • Sales tax: 8.25 percent

Major Industries in Rockford, IL

Rockford is home to several major industries including vehicle manufacturing, medical and aerospace.

Starting an LLC in Naperville, IL

Although Naperville is a suburb of Chicago, it is still important enough to be considered a city on its own merits. Naperville is one of the wealthiest cities in the US and is the fifth largest city in Illinois.

  • Area of city: 39 sq mi
  • Population: 147,000
  • Population density: 4,000 people / sq mi
  • Time zone: CST
  • Sales tax: 7.5 percent

Major Industries in Naperville, IL

Located in the Illinois “Technology and Research Corridor,” many innovative businesses are headquartered in and around Naperville. Major industries around the city include medical, healthcare, electronics, technology, automobile research and manufacturing.

Ready to Start your Illinois LLC?

Incfile provides a cost-effective service to help you Create Your Illinois LLC. We guide you through the process and handle most of the administrative steps, such as filing the Articles of Organization on your behalf. Our basic package also provides a free Registered Agent service for the first year. If you're looking for help to start an LLC, our comprehensive services provide outstanding value.

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What are the fees and requirements to form a business in Illinois?

Filing Time and Price

The state charges this amount to file a new business entity. This fee goes directly to the Secretary of State.

State Fee State Filing Time Expedited Filing Time
$154 2 Weeks 1 Business Day

Compliance Requirements

This report is mandatory and must be filed within the specified time frame in order for the entity to remain in good standing with the state. Failure to file this report can lead to the company being revoked or administratively dissolved.

Annual Report

Frequency: Annually

Due Date: Within 60 days immediately preceding first day of anniversary month.

Filing Fee: $128

Learn more about starting a business in Illinois

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