Discover 20+ startup accelerators in Illinois. Find the perfect program for your startup's stage and industry.
Illinois ranks #5 globally for accelerator program quality, with 12 programs per 100,000 businesses—well above the national average.
The region has produced 145 successful accelerator exits valued at over $1B, creating a highly supportive funding environment for new startups.
Applications up 25% YoY with focus on AI and climate tech startups
Increasing competition with new programs launching quarterly
Illinois
13 weeks program
Illinois
16 weeks program
Illinois
16 weeks program
Illinois
17 weeks program
Illinois
12 weeks program
Illinois
12 weeks program
Illinois
17 weeks program
Illinois
17 weeks program
Illinois
16 weeks program
Illinois
16 weeks program
Illinois
15 weeks program
Illinois
12 weeks program
Illinois
14 weeks program
Illinois
13 weeks program
Illinois
15 weeks program
Illinois
15 weeks program
Illinois
12 weeks program
Illinois
17 weeks program
Illinois
15 weeks program
Illinois
14 weeks program
Illinois accelerator programs typically accept 1-3% of applicants, with top-tier programs like those offering $$125K having even more competitive rates. The key is applying to multiple programs that align with your startup's stage and industry focus.
Most Illinois accelerators take between 6-8% equity for their investment and program value. The average in our database is 7%, which includes funding, mentorship, office space, and access to investor networks.
$1M-$100M raises, new VC funds, hot opportunities - Weekly newsletter. Your competitors are already reading it.
🔥 Last week: We covered Sequoia's new $3B fund, 12 YC startups that raised, and 3 govt grants worth $500K+
Last updated: 2/4/2026 | Data sources: Program websites, Crunchbase, accelerator reports |About our data