Every LLC formed in Illinois is legally required to appoint and continuously maintain a registered agent — a person or company with a physical Illinois street address, available during business hours, to receive legal and state notices for the company. Here’s how Illinois’s rules work, whether you can be your own agent, and which services we’d actually use.

Illinois LLC at a glance

Requirement Illinois
Registered agent required? Yes — every LLC
LLC filing fee $150 (one-time)
Ongoing report $75 (annual)
Be your own agent? Allowed with a physical Illinois address

Illinois requires a report every year, currently $75.

Can you be your own registered agent in Illinois?

Yes. Illinois lets you serve as your own registered agent if you (a) have a physical street address in Illinois — not a PO box — and (b) are there during normal business hours to accept service of process. The trade-offs are universal: your address becomes public record, you’re tied to business hours, and being handed a lawsuit in front of customers is its own problem. Full decision guide: can I be my own registered agent?

Best registered agent services for Illinois LLCs

We scored every major provider with the same Verdict Score. The ones worth using in Illinois:

Service Verdict RA price Why
Northwest 9.2 $125/yr Privacy included, no upsells — our #1
ZenBusiness 8.0 $199/yr Best all-in-one dashboard
Bizee 6.0 Free yr 1, ~$119/yr Cheapest entry
LegalZoom 7.0 $249/yr Brand name, priciest RA

For most Illinois LLCs we’d pick Northwest Registered Agent — address privacy at no extra charge and no upsell games. Full breakdown: best registered agent services.

Get Northwest in Illinois →

What if your Illinois LLC has no registered agent?

Fail to maintain one — or your agent can’t be reached — and Illinois can pull your LLC’s good standing and eventually dissolve it administratively. Worse, a lawsuit can proceed by default because the notice never reached you. The full consequences →

FAQ

How much does it cost to keep an LLC in Illinois?

$150 to form, plus $75 per year for the report. A professional registered agent adds about $125/yr (Northwest).

Can I change my Illinois registered agent later?

Yes — file a change with the Illinois Secretary of State at any time (small or no fee). Your LLC stays intact.

LLCVerdict earns commissions from some links — never changes our verdicts or your price. Disclosure. Fees verified June 2026; confirm current figures with the Illinois Secretary of State.