Opening a business in Illinois: state licenses, permits and registrations
The 3 state-level filings in Illinois, and full guides for 1 city there. The fixed government fees add up to about $150 and 2 fees are set by the space or the business.
Fees and timelines at a glance
| Filing | Agency | Government fee | How long |
|---|---|---|---|
| LLC formation | Illinois Secretary of State | $150 | Not listed |
| Illinois business registration (sales tax) | Illinois Department of Revenue | Varies | About 1 to 2 business days online; 4 to 6 weeks on paper. |
| Unemployment insurance employer registration | Illinois Department of Employment Security | Varies | Not listed |
City guides in Illinois
Every filing links to the agency's own page, and every fact comes from an official form or agency page. Agency requirements change; check the agency's page before you file. How we source and check these guides
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Get the plan for your exact address
This guide covers the city. Your exact address decides the county, the health district and the zoning. Placetta maps every filing for it, fills the official forms from your details, adds the deadlines and puts them up for your approval.
- The full list for your address, in filing order
- The official forms, filled line by line
- Renewal and inspection reminders