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Illinois business name search

Check name availability against the Illinois Secretary of State database

193,043
Business applications, last 12 months
Census BFS via FRED, trailing 12 months
52,237
Filed Q2 2026
Census BFS via FRED, Q2 2026
+11.1%
Year-over-year growth
FRED, trailing 12 months vs prior 12
766
Filings per business day
Derived from TTM applications, FRED
Illinois seal
Websitewww.ilsos.gov
Phone(800) 252-8980
Address501 S 2nd St, Room 350, Springfield, IL 62756
Hours8:00 AM - 4:30 PM, Mon-Fri

Illinois business formation by the numbers

State-level data from official sources on business formation activity in Illinois.

#6
Illinois ranks 6th in U.S. business formations
Ranking is based on total business applications filed in the trailing twelve months across all 50 states and D.C.
Census BFS via FRED, TTM rank
+64.6%
Formation activity since 2019
Comparison of trailing-twelve-month business applications to the 2019 calendar year total. Captures the post-pandemic formation surge.
FRED / BABATOTALNSAIL
+8.3%
Quarter-over-quarter change
Current quarter applications compared to the prior quarter. A useful read on whether momentum is building or fading.
FRED, latest 3 months vs prior 3
$500
LLC filing fee and processing time
Standard processing: 5-10 business days.
Illinois Secretary of State, verified Mar 2026