To set up payroll in Illinois requires two state agency registrations. We handle both so you can focus on running your business rather than navigating state portals.
Here are the state agencies you need to register with as an employe in your state. We handle all registrations on your behalf.
Handles state income tax withholding registration for all Illinois employers.
Handles Unemployment Insurance (UI) registration for all Illinois employers.
A quick overview of what's involved before you run your first payroll.
You provide the business info — we do the rest.
Tell us about your business — name, EIN, entity type, and start date. Takes about 5 minutes.
Tell us about your business — name, EIN, entity type, and start date. Takes about 5 minutes.
We register your business with the appropriate state agencies through official portals.
We deliver your account numbers and filing details — ready to load into your payroll system.
Flat fee, no surprises. We work inside your existing payroll system.









Common questions about registering for payroll taxes.
Yes, employers with workers in Illinois must register for income tax withholding with the Illinois Department of Revenue and unemployment insurance with the Illinois Department of Employment Security. We register your business with both agencies, ensuring you're set up correctly before your first Illinois payroll runs.
Chicago does not impose a broad local payroll tax on wages, but certain business categories may be subject to city-specific taxes. Most employers operating in Chicago only need standard state and federal payroll registrations. We assess your specific situation and ensure complete compliance.
We'll need your business name, EIN, entity type, physical address, start date of payroll, and owner information. You provide it once through our intake form and we handle everything from there.
Illinois payroll tax registration processing times vary, ranging from instant online issuance to several weeks depending on the state's workload. We handle both withholding and unemployment insurance filings with the Illinois Department of Revenue and the Department of Employment Security and monitor the status of your registration, notifying you as soon as your credentials are issued by the state.