Hire a Registered Agent in Illinois
LLC Register serves as your Illinois registered agent, scans legal documents same-day and keeps your LLC in good standing. LLC Register is the most affordable registered agent service in Illinois — get a free LLC and annual compliance with your plan.

Illinois Registered Agent
- Illinois Registered Agent
- $99 per year
- Illinois Street Address
- Free
- Same-Day Legal Mail Scan
- Free
- Illinois LLC Formation
- Free
- Annual Compliance
- Free
Transparent Cost Guide to hire an Illinois Registered Agent with LLC Register
Every fee, line by line. State filing fees are passed through at cost; there is nothing else to add at checkout.
| Service | LLC Register fee | Illinois state fee | Estimated total | One-time or annual |
|---|---|---|---|---|
Illinois registered agent service | $99 | $0 | $99 | Annual |
No separate consent filing — the agent's appointment is recorded on the Articles of Organization (805 ILCS 180/1-35) | $0 | $0 | $0 | Free |
Same-day scan of legal mail | $0 | $0 | $0 | Free |
Illinois LLC formation (certificate of organization) | $0 | $0 | $0 | One-time |
Illinois LLC compliance (annual report) | $0 | $75 | $75 | Annual |
Illinois state filing fee | $0 | $150 | $150 | One-time |
LLC Register serves as your Illinois registered agent for $99 a year: a physical Illinois street address, your agent listed correctly on your state filing, and same-day scans of any legal or state mail we receive for your LLC, corporation or limited partnership. Also, all registered agent services include a free LLC and free annual compliance.
Comprehensive 10-Step Guide to Hire a Registered Agent in Illinois
From checking the requirement to renewing every year, in the order you will do them.
Step 1 — Confirm you need an Illinois registered agent
Every Illinois LLC, corporation and limited partnership must appoint and keep a registered agent under the Illinois Limited Liability Company Act, 805 ILCS 180/1-35. The agent is named on your formation document and stays on the state's public record.
Step 2 — Decide between being your own agent or hiring a service
You can serve as your own agent if you are an Illinois resident with an Illinois street address and can be there during business hours; most owners hire a service instead to keep that address off the public record and never miss a delivery.
Step 3 — Check the registered office address rule
The registered office must be a physical Illinois street address, not a P.O. box, and the agent must be available there to accept delivery during normal business hours.
Step 4 — Choose an Illinois registered agent service
Compare the annual price, whether mail is scanned the same day it arrives, and whether the state's $25 change filing fee is included before you sign up.
Step 5 — Sign up and provide your entity details
Give your legal entity name, entity type and Illinois file number, if you already have one, so the agent can be listed correctly.
Step 6 — List your agent directly on your state filing
Illinois does not use a separate written-consent form; the registered agent's name and address are entered directly on Form LLC-5.5 or Form LLC-1.36/1.37 under 805 ILCS 180/1-35, so those details must be accurate before you file.
Step 7 — List your registered agent on your formation document
A new LLC names its registered agent and registered office directly on Form LLC-5.5, the Articles of Organization, filed with the Illinois Secretary of State for a $150 fee.
Step 8 — File a Statement of Change if you already have an entity
Existing LLCs switch agents by filing Form LLC-1.36/1.37, the Statement of Change of Registered Agent and/or Registered Office, with a $25 filing fee ($75 total with the optional expedited service).
Step 9 — Confirm the change on the public record
Use the Illinois Secretary of State's Business Entity Search at apps.ilsos.gov to confirm your new registered agent is listed before your next Annual Report is due.
Step 10 — Keep your registered agent active every year
Illinois can administratively dissolve an entity that fails to maintain a registered agent or fails to file its $75 Annual Report, under 805 ILCS 180, so renew your agent service before it lapses.
Illinois Registered Agent Facts Table
The official statute, fees and links for an Illinois registered agent, each checked against the state agency.
Illinois registered agent statute | Illinois Limited Liability Company Act, 805 ILCS 180/1-35 |
|---|---|
Registered agent required | Yes — for LLCs, corporations and limited partnerships |
Who may serve as agent | An Illinois resident 18 or older with an Illinois street address, or a domestic or foreign entity authorized to transact business in Illinois |
Registered office address rule | A physical Illinois street address; no P.O. boxes |
Written consent required | No separate consent filing — the agent's appointment is recorded directly on the Articles of Organization or Statement of Change (805 ILCS 180/1-35) |
Fee to change agent | $25 (Form LLC-1.36/1.37, Statement of Change of Registered Agent and/or Registered Office); $75 total with optional expedited processing |
Filing agency | Illinois Secretary of State, Department of Business Services, Limited Liability Division |
Standard processing time | About 7–10 business days online or by mail; 24-hour expedited processing available for a $100 additional fee |
Penalty for no registered agent | Risk of administrative dissolution and a $100 late penalty for noncompliance, under 805 ILCS 180 |
Recurring compliance filing | Annual Report, $75, due before the first day of the LLC's anniversary month every year |
Illinois business filings and registered agent search | apps.ilsos.gov/businessentitysearch |
Business name generator | swyftfilings.com/business-name-generator |
Virtual mailbox | snapmailbox.com |
Trademark registration | trademarkengine.com |
Free Trademark Search | trademarkengine.com/free-trademark-search |
Author: LLC RegisterLast reviewed 9/30/2026
Illinois agency: Illinois Secretary of StateLast reviewed 9/30/2026
Legal Requirements for an Illinois Registered Agent
What Illinois law requires of every registered agent, with the rule and the agency that enforces it.
A physical Illinois street address
Every Illinois LLC's registered office must be a street address in Illinois, not a P.O. box, under the Illinois Limited Liability Company Act, 805 ILCS 180/1-35. The agent must be able to accept delivery there during normal business hours.
Who can serve as your agent
Under 805 ILCS 180/1-35, the agent must be either an individual Illinois resident or a domestic or foreign entity authorized to transact business in Illinois.
No separate written-consent filing
Unlike some states, Illinois does not require a standalone written-consent form. The registered agent's name and address are entered directly on Form LLC-5.5 (Articles of Organization) or Form LLC-1.36/1.37 (Statement of Change), which documents the appointment under 805 ILCS 180/1-35.
Accepting and forwarding legal notices
The registered agent's role under 805 ILCS 180/1-35 is to receive process, notices and demands addressed to the entity and forward them to the entity. The agent has no authority to act on the entity's behalf beyond that.
Reporting a change of agent
A change in registered agent or registered office is reported on Form LLC-1.36/1.37, the Statement of Change of Registered Agent and/or Registered Office, filed with the Illinois Secretary of State for a $25 fee ($75 total with the optional expedited service).
Maintaining an agent at all times
If the Secretary of State cannot confirm a valid registered agent, or the entity does not file its Annual Report, the entity risks a $100 late penalty and administrative dissolution under 805 ILCS 180.
Illinois Registered Agent Service Cost Comparison
Published prices for an Illinois registered agent service, compared line by line.
| What you pay for | LLC Register | LegalZoom | ZenBusiness |
|---|---|---|---|
LLC formation service | $0 | $0 | $0 |
Illinois filing fee | $150 | $150 | $150 |
Registered agent, first year | $99 | $249 | $99 |
Annual report filing | $0 | $99 | $100 |
First-year total | $99 + state fee | $249 + state fee | $99 + state fee |
Registered agent renewal | $99 per year | $249 per year | $199 per year |
Competitor prices are for each company's lowest-priced LLC package, as published on its own website on September 29, 2026. The Illinois state fee is extra with every provider. Prices change; check each provider before you buy.
Most Trusted Illinois Registered Agent Service
One flat price, a real Illinois address, and your legal mail scanned the same day it arrives.
$99 a year. That is the whole price.
The same $99 at renewal, every year. No tiers to compare and nothing pre-checked at checkout.
A real Illinois street address
A physical registered office in Illinois, not a P.O. box or a shared mail drop, that meets 805 ILCS 180/1-35.
Your registered agent listed correctly from day one
We complete your Form LLC-5.5 or Form LLC-1.36/1.37 with accurate registered agent information, since Illinois records that appointment on the filing itself.
Same-day scans of legal mail
Any service of process or state notice we receive is scanned and emailed to you the day it arrives.
We handle your Statement of Change
Switching from another agent? We prepare your Form LLC-1.36/1.37 and pass through the state's $25 filing fee at cost.
Support by email
Real people answer by email. We reply within one business day.
Important Illinois Registered Agent Resources and Links
Official Illinois offices, forms and data in one place. Every link goes to the source.
State government offices
- Illinois Secretary of State, Department of Business Services501 S. Second St., Room 351, Springfield, IL 62756 · (217) 782-6961
- Illinois Secretary of Stateilsos.gov
- Illinois Department of Revenuetax.illinois.gov
- Illinois Department of Employment Securityides.illinois.gov
- County clerk and recorder officesAssumed name (DBA) filings vary by county
Filing, forms and records
- Illinois Business Entity Searchapps.ilsos.gov
- Illinois LLC information (Department of Business Services)ilsos.gov
- Illinois registered agent informationilsos.gov
- Illinois LLC Annual Report — online filingapps.ilsos.gov
- Illinois Limited Liability Company Act — registered agent statute (805 ILCS 180/1-35)ilga.gov
Taxes, permits and licenses
Illinois Registered Agent FAQs
Short questions, direct answers.
What is a registered agent in Illinois?
A registered agent is the person or company named to receive legal papers and official state mail for an Illinois entity, at a physical Illinois street address called the registered office. It is required by the Illinois Limited Liability Company Act, 805 ILCS 180/1-35.
Do I need a registered agent for my Illinois LLC or corporation?
Yes. Every Illinois LLC, corporation and limited partnership must appoint and continuously maintain a registered agent, from the day it files its formation document. For LLCs, this comes from 805 ILCS 180/1-35.
Can I be my own registered agent in Illinois?
Yes, if you are an Illinois resident at least 18 years old with a physical Illinois street address where you can accept deliveries during normal business hours (805 ILCS 180/1-35). Many owners hire a service instead to keep that address off the public record.
Can I use a P.O. box for my Illinois registered agent address?
No. 805 ILCS 180/1-35 requires the registered office to be a physical street address; a P.O. box does not qualify.
How much does an Illinois registered agent cost?
LLC Register charges $99 a year. Commercial registered agent services generally range from about $99 to $249 a year, based on published pricing checked 9/30/2026.
How do I change my registered agent in Illinois?
File Form LLC-1.36/1.37, the Statement of Change of Registered Agent and/or Registered Office, with the Illinois Secretary of State for a $25 fee ($75 total if you add the optional expedited service). It can be filed online or by mail.
What happens if I don't have a registered agent in Illinois?
The Secretary of State can administratively dissolve an entity that fails to maintain a valid registered agent or fails to file its Annual Report, under 805 ILCS 180, and a $100 penalty applies once a required filing is significantly late.
Does my registered agent need to consent in writing?
No separate written-consent form is required in Illinois. The agent's name and address are entered directly on Form LLC-5.5, the Articles of Organization, or Form LLC-1.36/1.37, the Statement of Change, which documents the appointment under 805 ILCS 180/1-35.
Can a family member or friend be my Illinois registered agent?
Yes, as long as they are an Illinois resident, at least 18, have an Illinois street address, and are available during business hours under 805 ILCS 180/1-35.
Can an out-of-state company be my Illinois registered agent?
Only if that company is itself authorized to transact business in Illinois and maintains an Illinois street address; an unauthorized out-of-state entity cannot serve as agent under 805 ILCS 180/1-35.
How fast will I know if my registered agent receives a lawsuit?
A registered agent's role under 805 ILCS 180/1-35 is to forward process, notices and demands to the entity; LLC Register scans and emails it to you the same day we receive it.
Is my registered agent's address public record in Illinois?
Yes. The registered agent's name and registered office address are part of the entity's public filing with the Illinois Secretary of State and can be viewed through the Business Entity Search at apps.ilsos.gov.
Can my registered agent resign?
Yes. A registered agent can file to resign with the Secretary of State, which starts the process for the entity to name a replacement before facing administrative dissolution.
Do I need to update my registered agent on my annual Illinois filing?
Yes. The Annual Report, due before the first day of your LLC's anniversary month each year for a $75 fee, must show your current registered agent and registered office.
Does every Illinois entity type need a registered agent?
Yes, for every filing entity: LLCs, corporations, limited partnerships and most other entities registered with the Illinois Secretary of State must appoint one.
Does a foreign LLC formed in another state need a registered agent to do business in Illinois?
Yes. A foreign LLC must name an Illinois registered agent on Form LLC-45.5, the Application for Admission to Transact Business, filed with the Secretary of State for a $150 fee, before it may transact business in Illinois.
Does each series in an Illinois series LLC need its own registered agent?
No. Each series of an Illinois series LLC is established by its own publicly filed Certificate of Designation (Form LLC-37.40) under 805 ILCS 180/37-40, but that same section provides that the registered agent and registered office already on file for the parent LLC automatically serve as the agent and office for service of process for every series — no separate registered agent designation per series is required.
Does an Illinois professional LLC (PLLC) need a registered agent?
Yes. A professional LLC follows the same registered agent rule as any other Illinois LLC under 805 ILCS 180/1-35 — there is no separate requirement for professional entities.
Does an Illinois nonprofit corporation need a registered agent?
Yes. The General Not For Profit Corporation Act, 805 ILCS 105/114.10, requires every Illinois nonprofit corporation to maintain a registered agent with an Illinois street address, the same as a for-profit entity.
Does an Illinois limited partnership need a registered agent?
Yes. The Illinois Uniform Limited Partnership Act, 805 ILCS 206/1102, requires every domestic limited partnership to appoint and maintain a registered agent with an Illinois street address.
How do I look up a company's registered agent in Illinois?
Search the Illinois Secretary of State's Business Entity Search at apps.ilsos.gov by entity name; the result shows the entity's current registered agent name and registered office address free of charge, with no account required.
Can one person or company serve as the registered agent for more than one Illinois entity?
Yes. A single individual or registered agent service can be named on any number of Illinois entities at once, as long as each appointment independently meets the residency and physical-address rules under 805 ILCS 180/1-35.
Are registered agent fees tax-deductible?
Yes. The IRS treats an annual registered agent fee as an ordinary and necessary business expense, deductible in the year you pay it.
Can my attorney serve as my Illinois registered agent?
Yes, as long as your attorney is an Illinois resident, or practices through a firm authorized to transact business in Illinois, and maintains a physical Illinois street address — the same eligibility rule under 805 ILCS 180/1-35 that applies to anyone else.
Is there a difference between a "registered agent" and an "agent for service of process" in Illinois?
No. 805 ILCS 180/1-35 uses only the term "registered agent"; "agent for service of process" is other states' or plain-language phrasing describing the identical role.
What happens if mail sent to my registered agent's address is returned as undeliverable?
It puts your entity at risk of the same consequence as having no registered agent at all. The Secretary of State can administratively dissolve an entity it cannot confirm has a valid registered agent under 805 ILCS 180, so an invalid address should be corrected with a Statement of Change right away.
Do I have to name my registered agent when I form my Illinois LLC, or can I add one later?
You have to name one upfront. Form LLC-5.5, the Articles of Organization, requires the registered agent's name and Illinois street address before the Secretary of State will file it — you cannot leave it blank and add an agent afterward.
What is the difference between my registered office and my principal place of business?
Your registered office is specifically where your registered agent accepts legal mail and must be a physical Illinois street address under 805 ILCS 180/1-35; your principal office, listed separately on Form LLC-5.5, is wherever you actually run the business and does not have to be in Illinois.
Can a UPS Store or other commercial mail-receiving service be my registered office address?
No. 805 ILCS 180/1-35 requires a physical Illinois street address where someone can personally accept delivery, and a mailbox rental or commercial mail-receiving service does not meet that rule any more than a P.O. box does.
Is my registered agent's phone number or email made public?
No. Illinois's public filings list only your registered agent's name and street address; no phone number or email address is required or published.
Do Illinois nonprofit corporations have to confirm their registered agent on an annual filing?
Yes. A nonprofit corporation's Annual Report, Form NFP 114.05, must show its current registered agent and registered office under 805 ILCS 105/114.10.
Can my registered agent also be an officer or manager of my company?
Yes. Nothing in 805 ILCS 180/1-35 prevents an owner, manager or officer from also serving as the entity's registered agent, as long as they meet the residency and physical-address requirements.
Does Illinois require registered agents to be licensed or bonded?
No. Illinois has no licensing, bonding or commercial-agent registration requirement beyond the residency (or authorization to transact business) and physical-address rules in 805 ILCS 180/1-35.
Can I serve as my own registered agent if I live out of state but own property in Illinois?
No. 805 ILCS 180/1-35 requires an individual registered agent to be an Illinois resident; owning Illinois real estate does not meet that requirement if you personally live elsewhere.
Does my registered agent have authority to sign contracts or make decisions for my LLC?
No. 805 ILCS 180/1-35 limits a registered agent's role to receiving and forwarding legal notices and process addressed to the entity — it has no authority to sign contracts or act on the entity's behalf.
Can the same Illinois address serve as both my registered office and my principal place of business?
Yes. Nothing requires the two to be different — a small business commonly uses one Illinois street address for both, as long as it meets the registered office's physical-address and business-hours-availability rule.
Does switching registered agents require amending my Illinois Articles of Organization?
No. A change of registered agent or registered office is reported on Form LLC-1.36/1.37, a Statement of Change, filed on its own — it does not require a separate amendment to the Articles of Organization.
Does Illinois charge a fee to search for a company's registered agent?
No. The Business Entity Search at apps.ilsos.gov is free and open to the public, with no account or payment required to see an entity's current registered agent and registered office.
If my registered agent moves to a new address within Illinois, do I still have to file a change, or can they just notify me?
You still have to file a change. The Secretary of State only recognizes the address on your most recent Form LLC-1.36/1.37 Statement of Change, so even a short move within Illinois has to be reported and filed before it is effective on your record.
Does my Illinois LLC still need a registered agent after it dissolves?
Yes, during wind-up. A dissolved LLC continues to exist under 805 ILCS 180 to wind up its affairs and must keep a registered agent on file so it can still receive legal notices until that process is complete.
Complete Illinois Registered Agent Glossary
The terms, forms and filings you will meet when appointing an Illinois registered agent.
Registered agent
The person or company with a physical Illinois address named to receive legal papers and state mail for an entity, required by the Illinois Limited Liability Company Act, 805 ILCS 180/1-35.
Registered office
The physical Illinois street address where the registered agent can be reached during normal business hours; it cannot be a P.O. box.
Articles of Organization
Form LLC-5.5, the document filed with the Illinois Secretary of State for $150 to create an LLC. It names the LLC's initial registered agent and registered office.
Statement of Change of Registered Agent and/or Registered Office
Form LLC-1.36/1.37, filed with the Illinois Secretary of State for $25 ($75 total with the optional expedited service) to update an entity's registered agent or registered office.
Agent's appointment on the state filing
Illinois does not use a separate written-consent form; the registered agent's name and address are entered directly on Form LLC-5.5 or Form LLC-1.36/1.37, which documents the appointment under 805 ILCS 180/1-35.
Service of process
The formal delivery of legal documents, such as a lawsuit summons, to an entity through its registered agent.
Administrative dissolution
The Secretary of State's dissolution of an entity that fails to maintain a registered agent or fails to file its Annual Report, under 805 ILCS 180.
Certificate of Good Standing
The Illinois Secretary of State's document showing an entity exists and is current on its filings, available for $25 standard or $45 expedited processing.
Personal Property Replacement Tax
The Illinois Department of Revenue's annual tax on an LLC's net income — 1.5% for an LLC taxed as a partnership — paid in addition to federal and state income tax.
Annual Report
The Illinois LLC's required yearly filing with the Secretary of State, $75, due before the first day of the LLC's anniversary month every year.
Anniversary month
The calendar month in which the Illinois Secretary of State originally approved the LLC's Articles of Organization; it sets the due date for every later Annual Report.
Foreign qualification
Registering an entity formed in another state, using Form LLC-45.5, Application for Admission to Transact Business, for a $150 fee, so it can legally do business in Illinois; it requires naming an Illinois registered agent.
