PEO services in Illinois
A PEO helps Illinois employers manage multi-state payroll, and benefits while staying compliant with Illinois's rules. As of 2026, Illinois's minimum wage is $15.00/hr and the state unemployment (SUTA) taxable wage base is $14,250. ONYX benchmarks the top PEOs against your current setup so Illinois companies stop overpaying by 15–40%.
Illinois employer snapshot (2026)
The structural facts that shape payroll and benefits cost in Illinois. Verify current figures with the state agency before relying on any single number.
$15.00 (reached 1-1-2025 under scheduled increases; remains $15.00 in 2026).
Standard employer base; some states assign a higher base to max-rated employers.
Employers withhold state income tax.
Coverage available through private carriers and PEO programs.
The short answer
Employee-protective: $15 minimum wage, statewide paid-leave-for-any-reason law, pay-transparency requirements, and strict biometric privacy (BIPA) affecting timekeeping.
Major metros we serve in Illinois: Chicago, Aurora, Naperville, Rockford.
Common Illinois PEO questions
Can a PEO operate in Illinois?
Yes. PEOs operate in Illinois and handle Illinois payroll tax, the $14,250 SUTA wage base, benefits, and workers' comp through competitive carriers. ONYX benchmarks the PEOs that operate in Illinois against your current setup.
What is the 2026 minimum wage in Illinois?
Illinois's minimum wage is $15.00/hr as of 2026. $15.00 (reached 1-1-2025 under scheduled increases; remains $15.00 in 2026).
How much can a Illinois company save with a PEO?
Most companies ONYX works with save 15–40% of total people cost by moving to a better-fit PEO. We model the exact savings for your Illinois census for free in 3–5 business days.
PEO services in other states
Compare PEOs for your Illinois team.
Get a free, no-pressure PEO audit. We'll compare your current setup against the top PEOs and show you the savings in 3–5 business days.