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Illinois Payroll Taxes – Calculated and Filed by Patriot

Illinois payroll taxes calculated and filed by Patriot Full Service Payroll. View the complete list of state taxes, filing status, and required tax forms.

Patriot Full Service Payroll customers in Illinois can count on Patriot to calculate, deposit, and file all required Illinois payroll taxes at no additional charge—including quarter and year-end filings. The table below lists the specific payroll taxes Patriot handles for Illinois employers, along with the filing status and required tax forms.

State

Tax

Description

Full Service Filing

Forms

IL

Illinois

Illinois – Employer Unemployment

UI-3/40, UI-3/40-MWR (25+ Employees)

IL

Illinois State Tax

Illinois – Employee Withholding

IL-941, IL-W-3

Patriot's Full Service Payroll in Illinois includes comprehensive quarter and year-end filing.

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