Illinois LLC annual report
Last updated: 2026-11-14
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1. Entity deadline and fee Illinois. File on the state site, not here. Form LLC-50.1 due prior to the first day of the anniversary month. Fee $75. Late penalty $100 on or after the first day of the anniversary month. 2. Checks before filing [ ] State entity / document number located and verified on official state search [ ] Registered agent name and street address confirmed current [ ] Principal office and manager or member names ready, if the selected state requires them [ ] Confirmed filing directly on the official state portal. A separate state fee applies. [ ] Checked whether a separate state tax agency filing applies (CA FTB or TX Comptroller) 3. Filing log Filing Year | State Portal Used | Confirmation / Receipt # | State Fee Paid | Date Filed | Next Due Date __________ | __________ | __________ | __________ | __________ | __________ __________ | __________ | __________ | __________ | __________ | __________ 4. Official link and disclaimer https://www.ilsos.gov/departments/business_services/annual_reports/llc_instructions.html https://apps.ilsos.gov/llcarpt/ [ ] I pay the state myself Prepared by LLC Deadline (llcdeadline.com). Source notes read 2026-11-14. We are not a law firm; a registered agent; a Secretary of State; a tax preparer.
The email contains this worksheet. This plan adds reminder emails 30, 7, and 1 day before the date you entered.
An Illinois domestic or foreign LLC files an Annual Report (Form LLC-50.1) each year with the Illinois Secretary of State Department of Business Services prior to the first day of the LLC's anniversary month. The statutory filing fee is $75 (plus a small payment processor fee when filed online). If the report is not filed before the first day of the anniversary month, Illinois adds a $100 statutory late penalty, and continued delinquency beyond 60 days leads to administrative dissolution or revocation. Source, read 2026-11-14: https://www.ilsos.gov/departments/business_services/annual_reports/llc_instructions.html and https://apps.ilsos.gov/llcarpt/
Read the phrase 'prior to the first day of the anniversary month' twice, because it means your final on-time calendar day is the last day of the month BEFORE your formation month! If your Illinois LLC was organized on June 18, your anniversary month is June—so 'prior to June 1' means your report must be completed on or before May 31. Waiting until June 1 triggers the $100 penalty.
The Illinois Secretary of State opens the online filing window roughly 60 days prior to the first day of the anniversary month. Most Illinois LLCs in good standing with up to eight managers or members can complete Form LLC-50.1 online in minutes using their Illinois File Number.
The $75 filing fee (and any $100 state penalty or online processor charge) goes to the Illinois Secretary of State, never to LLC Deadline. Our site provides this verified guide for free and offers a $19 one-time or $39 yearly PDF checklist with 30/7/1-day reminder emails anchored to your true pre-anniversary deadline.
Why 'prior to the first day' means the previous month's end
Illinois uses wording in the Limited Liability Company Act that trips up founders accustomed to other states: the annual report is due each year prior to the first day of the anniversary month of organization (or qualification for a foreign LLC). 'Prior to' means before day 01 starts.
Walk through a concrete example: suppose Articles of Organization were filed on October 12, 2025. October is the anniversary month, and October 1, 2026 is the first day of that anniversary month. Filing 'prior to October 1' means your last timely day without penalty is September 30, 2026. On October 1, 2026, the filing is already late and the $100 penalty applies.
Our Illinois deadline calculator enforces that exact rule automatically: when you enter an October formation date, it sets your deadline to September 30 (the day immediately preceding October 1) so your 30-day, 7-day, and 1-day reminders arrive while the $75 on-time window is still open.
The $75 fee, the $100 penalty, and administrative dissolution
Illinois lowered its LLC annual report fee years ago from higher historical levels down to the current $75 statutory fee for Form LLC-50.1. When you pay online through the Secretary of State portal, an electronic payment processor fee of roughly $1 to $2 is added by the state's card processor.
Notice how steep the late penalty is relative to the base fee: missing the pre-anniversary deadline adds $100, more than doubling the base state cost from $75 to $175. There is no grace period after the first day of the anniversary month begins.
If the report remains unfiled 60 days after the due date (180 days in older corporate contexts—do not confuse corporate rules with LLC rules; read the official LLC notice carefully), the Secretary of State administratively dissolves a domestic Illinois LLC or revokes the admission of a foreign LLC, requiring Form LLC-35.40 reinstatement fees plus all back reports and penalties.
Who can file Form LLC-50.1 online vs. by paper mail
Most single-member and multi-member Illinois LLCs in good standing can file directly online at `apps.ilsos.gov/llcarpt/`. However, the Illinois Secretary of State lists specific cases where online filing is unavailable and paper Form LLC-50.1 must be printed and mailed to Springfield.
Typical paper-only triggers on the official instructions include entities already administratively dissolved or revoked, filings attempting to change the registered agent or registered office in a way blocked by the quick portal, or LLCs reporting more than the maximum number of managers/members supported by the web form (or holding Series LLC structures with active series certificates).
If you must file by mail, allow plenty of postal transit and intake time so the envelope arrives in Springfield prior to the first day of your anniversary month. Mailing on the final afternoon risks crossing the penalty threshold.
What to have ready before starting the Illinois portal
First, find your 8-digit Illinois LLC File Number on the Illinois Secretary of State Business Entity Search page. Typing that 8-digit File Number into `apps.ilsos.gov/llcarpt/` pulls up your LLC record immediately.
Second, verify your current Illinois registered agent name and Illinois street address, as well as the principal place of business street address (Illinois requires an actual street address, not a bare P.O. Box, for the principal office).
Third, review the exact names and business addresses of all managers (if manager-managed) or members with authority of manager (if member-managed) so your attestation on Form LLC-50.1 matches your operating agreement and entity records.
Fourth, download and store the stamped receipt and filed annual report confirmation immediately after paying on `ilsos.gov`.
Where you file and what our PDF checklist includes
You complete and pay for Form LLC-50.1 directly on the Illinois Secretary of State portal linked in the first paragraph above. LLC Deadline never touches your state payment, never logs into `ilsos.gov`, and never acts as an Illinois registered agent.
Our one-page PDF checklist highlights your exact pre-anniversary cutoff day (the last day of the prior month), your 8-digit Illinois File Number, the $75 fee and $100 late penalty, the online vs. mail eligibility checks, and the mandatory confirmation that you pay the state yourself.
The $39 yearly plan schedules reminder emails 30, 7, and 1 day before that pre-anniversary cutoff date so you file inside the 60-day Secretary of State window well before day 01 of your anniversary month.
Common Illinois LLC filing mistakes that cost $100
Mistake one—by far the most common in Illinois—is logging in on the 1st or 5th of your formation month thinking you have all month, only to see the portal automatically add the $100 late penalty because 'prior to the first day of the anniversary month' ended at midnight on the last day of the previous month.
Mistake two is entering a P.O. Box where Form LLC-50.1 requires a physical street address for the principal office or registered office, resulting in a rejected paper form that misses the deadline while in the mail.
Mistake three is forgetting that Series LLCs with registered series have additional per-series reporting rules on the Illinois Secretary of State website; always check the official Series LLC instructions on `ilsos.gov` if you formed an Illinois Series LLC.
Foreign LLCs qualified in Illinois and post-filing verification
A foreign LLC admitted to transact business in Illinois files Form LLC-50.1 under the same $75 fee and $100 late-penalty schedule, anchored to the month the Illinois Secretary of State approved its Application for Admission to Transact Business—not the home-state formation month. Check your Illinois File Detail Report on `ilsos.gov` to confirm the exact Illinois qualification date before setting calendar alerts.
Note that Form LLC-50.1 with the Secretary of State is completely separate from Illinois Department of Revenue tax filings (such as Personal Property Replacement Tax on partnership or corporate elections, sales tax, or withholding). Filing your state tax return with the Illinois Department of Revenue does not satisfy Form LLC-50.1 with the Department of Business Services in Springfield.
After submitting your $75 online payment on `apps.ilsos.gov/llcarpt/`, verify within a few business days on the Illinois Business Entity Search that the 'Status' line reads Active and that the annual report filing year has advanced to the current year. Save both the payment confirmation number and the updated PDF copy in your company compliance folder.
LLC Deadline publishes sourced reference notes and emails a working PDF checklist plus optional 30/7/1-day reminders from support@llcdeadline.com. You pay the $75 statutory fee directly to the Illinois Secretary of State and complete the form yourself. We do not file reports, hold client funds, or sell phone leads. We are not a law firm; a registered agent; a Secretary of State; a tax preparer.
Always open the official Illinois Secretary of State LLC Annual Report instructions linked at the top of this page before you submit Form LLC-50.1, because statutory fee schedules, online eligibility rules, and payment processor charges are governed exclusively by Illinois law and can change after our 2026-11-14 read date.
Questions
If my Illinois LLC was formed in June, what is the last day to file on time?
May 31. Illinois requires Form LLC-50.1 'prior to the first day of the anniversary month,' meaning before June 1 begins.
How much is the Illinois LLC annual report fee and late penalty?
The statutory filing fee is $75 (plus a small card processor fee online). Filing on or after the first day of the anniversary month adds a $100 late penalty.
How early can I file my Illinois LLC annual report online?
Typically within 60 days prior to the first day of your anniversary month on apps.ilsos.gov/llcarpt/.
What identifier do I need for the Illinois portal?
Your 8-digit Illinois Secretary of State LLC File Number, which you can look up free on the Illinois Business Entity Search.
Can a dissolved Illinois LLC use the regular annual report portal?
No. Once administratively dissolved, an LLC must follow the Secretary of State reinstatement procedure (Form LLC-35.40) alongside back reports and fees.
Does LLC Deadline file Form LLC-50.1 for me?
No. We deliver a PDF working checklist and optional 30/7/1-day email reminders anchored to your pre-anniversary deadline. You file on ilsos.gov yourself.