Ranked quotes
Quotes ranked by reading; every price comes from a company page. The $150 state fee is kept outside the quotes.
1. Mainstay Filing: best for filing and upkeep in one quote
Top quote
$199 yearly, $349 due at checkout with the state fee
- Opening quote
- $199
- Quote from year 2
- $199/yr
- Reading at year 3
- $597
Mainstay Filing leads the board because a single $199 quote covers formation, registered agent and each annual report.
Pay $200 more than Illinois Registered Agent.co across three years and the recurring filings stop being your problem.
Each Limited Liability Company Annual Report is covered, and Illinois's $75 is billed at cost.
Quote includes
- Formation done for you
- Registered agent, for twelve months
- Annual report, filed as it falls due
- The EIN application, prepared
- Government fee, no markup
Reads well
- One yearly quote, $199
- $199 in year two
- EIN application included
Reads poorly
- Illinois Registered Agent.co renews for $100 less
2
2. Illinois Registered Agent.co: best for the smallest three-year reading
Local quote
$199 plus the state's fee, then $99 yearly
- Opening quote
- $199
- Quote from year 2
- $99/yr
- Reading at year 3
- $397
Illinois Registered Agent.co ranks second. Reading: $199 for the formation, $99 yearly for the agent after that.
Its quote stops short of the Limited Liability Company Annual Report.
Quote includes
- Articles of organization, filed
- Agent service for the first year
Reads well
- $199 plus the state fee
- Agent service at no cost in year one
- Agent renews at $99
Reads poorly
- Limited Liability Company Annual Report is not part of the quote
- EIN add-on: $99
3
3. IL Registered Agent.org: best for a local formation service
Local quote
$199 plus the state's fee, then $99 yearly
- Opening quote
- $199
- Quote from year 2
- $99/yr
- Reading at year 3
- $397
IL Registered Agent.org ranks third. Reading: $199 for the formation, $99 yearly for the agent after that.
Its quote stops short of the Limited Liability Company Annual Report.
No price difference from Illinois Registered Agent.co.
Quote includes
- Articles of organization, filed
- Agent service for the first year
Reads well
- Agent renews at $99
- $199 plus the state fee
- Agent service at no cost in year one
Reads poorly
- Limited Liability Company Annual Report is not part of the quote
- EIN add-on: $99
Readings over time
Service fees only, from each company's prices sampled November 13, 2026. No break-even appears inside ten years.
Try another time span
How long will the company run? Set the years and compare, EIN application optional.
Illinois state fees (official)
Filing fee, plus the recurring report in years two and three, plus any minimum tax: that is the three-year state reading.
What settled the order
Mainstay Filing read better than Illinois Registered Agent.co on filings handled per dollar, a 30% term.
Filing the Limited Liability Company Annual Report for you outweighed Illinois Registered Agent.co's smaller three-year reading.
With the EIN application added, Mainstay Filing's cumulative cost passes Illinois Registered Agent.co's in year 2.
Illinois LLC filing fee and requirements, quoted from the source
The Illinois Secretary of State takes $150 along with the Articles of Organization (Form LLC-5.5), per 805 ILCS 180/5-5. Every LLC must name a registered agent with an in-state street address.
As written: ilsos.gov (logged October 2026) for the record
The state-fees-only case
State fees alone read $300 for three years, which is the floor. The board shows what each service adds ($397 to $597).
Illinois price questions, answered
What do LLC formation services charge in Illinois?
$199 for year one across our quotes, plus the state's $150 fee.
What do the quotes add up to over three years?
$397 to $597 across the quotes, not counting state fees.
How much does Illinois take to file an LLC?
$150, on the Articles of Organization (Form LLC-5.5).
What does Illinois bill each year after formation?
Each year the state bills $75 for the Limited Liability Company Annual Report, due before the first day of the entity's anniversary month.
Is the EIN application part of the quote?
Mainstay Filing (no charge) | Illinois Registered Agent.co ($99 extra) | IL Registered Agent.org ($99 extra).
When does one quote pass another in total cost?
They hold the same order for ten years.
Which LLC formation service ranks best in Illinois?
Mainstay Filing ranks first. Illinois Registered Agent.co and IL Registered Agent.org follow.
Logged references
- August 2026 log entry for Illinois Secretary of State, Department, from ilsos.gov.
- August 2026 log entry for Illinois Secretary of State, Department, from ilsos.gov.
- August 2026 log entry for 805 ILCS 180/5-5, from ilga.gov.
- October 2026 log entry for Illinois formation fee: Filing fee, from ilga.gov.
- October 2026 log entry for Illinois formation fee: Filing fee, from ilsos.gov.
- October 2026 log entry for Illinois registered agent statute, from ilga.gov.
- Illinois service page at Mainstay Filing, taken on November 13, 2026
- pricing page at Illinois Registered Agent.co, taken on November 13, 2026
- pricing page at IL Registered Agent.org, taken on November 13, 2026