Illinois quote board
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 registering again and again
Top quote
$199 plus the state's fee, then $149 yearly
- Opening quote
- $199
- Quote from year 2
- $149/yr
- Reading at year 3
- $497
For Illinois, Mainstay Filing gives the best value: $199 to file, no agent charge in year one, one price in every state.
Its three-year reading is $100 above IL Registered Agent.org's, and the extra filings it handles outweigh that in the ranking.
Agent quote from year two: $149 a year, in any state.
Quote includes
- Registration paperwork, filed
- Registered agent costs nothing the first year
- Good in all fifty states
Reads well
- Agent free for the first year
- Service charge of $199
- Same fee wherever you register
Reads poorly
- Agent renews at $149, $50 above IL Registered Agent.org
2
2. IL Registered Agent.org: best for adding exactly one state
Illinois only
$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 holds spot 2 because $199 above the state fee, year-one agent included, then $99 a year.
Quote includes
- Registration delivered to the state office
- Agent service for the first year
Reads well
- First agent year included
- $199 over the state fee
- $99 a year for the agent after that
3
3. Illinois Registered Agent.co: best for one extra state
Illinois only
$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 holds spot 3 because $199 above the state fee, year-one agent included, then $99 a year.
Its quotes match IL Registered Agent.org's exactly.
Quote includes
- Registration delivered to the state office
- Agent service for the first year
Reads well
- $99 a year for the agent after that
- $199 over the state fee
- First agent year included
Running totals at 1, 2, 3 and 5 years
Sampled November 13, 2026. Each column picks up one more renewal. Readings keep one order for ten years.
Try another time span
The calculator adds year one and renewals for each quote once you set the years.
Government side of the board, Illinois
State reading = filing fee + reports in years 2 and 3 + any minimum tax. Items without a fixed amount stay out of the sum.
How the ranking came out
Weight 30%: filings handled per dollar. That term separated the top two quotes.
With the LLC in two states, coverage decided it.
Illinois foreign LLC registration fee and rules, quoted from the source
An out-of-state LLC lodges the Application for Admission to Transact Business (Form LLC-45.5) at the Illinois Secretary of State, Department of Business Services, Limited Liability Division, for $150. Attach certificate of Good Standing or Existence at most 60 days.
An LLC that never registers may face it cannot bring claims of its own (805 ILCS 180/45-45(a)); fees owed for the time before registering.
Cited at: ilga.gov (logged October 2026) for the record
If you skip the service
File it yourself and only state fees remain: $300 over three years. The service quotes add $397 to $497 for the paperwork.
Quick answers
What is the price of registering a foreign LLC with Illinois?
$150 for the filing, plus a service fee of $199.
What do the quotes add up to over three years?
Service readings after three years: $397 to $497.
Which form carries out the registration?
The filing is Application for Admission to Transact Business (Form LLC-45.5), lodged at the Illinois Secretary of State, Department of Business Services, Limited Liability Division.
Is a document from the home state required by Illinois?
Yes, no more than 60 days old: certificate of Good Standing or Existence.
Which recurring filing follows registration?
The annual report, billed at $75.
When does one quote pass another in total cost?
They hold the same order for ten years.
Which foreign registration service ranks first for Illinois?
By the five-part test the Illinois quotes run Mainstay Filing, IL Registered Agent.org and Illinois Registered Agent.co, led by Mainstay Filing on filings handled per dollar.
Logged references
- Reference for Illinois Secretary of State, Department: ilsos.gov, logged August 2026.
- Reference for Illinois Secretary of State, Department: ilsos.gov, logged August 2026.
- Reference for 805 ILCS 180/5-5: ilga.gov, logged August 2026.
- Reference for Illinois formation fee: Filing fee: ilga.gov, logged October 2026.
- Reference for Illinois formation fee: Filing fee: ilsos.gov, logged October 2026.
- Reference for Illinois registered agent statute: ilga.gov, logged October 2026.
- Reference for Form LLC-45.5, Application for Admission: ilsos.gov, logged October 2026.
- Reference for Form LLC-45.40, Application for Withdrawal: ilsos.gov, logged October 2026.
- Reference for 805 ILCS 180/45-45, consequences of: ilga.gov, logged October 2026.
- Reference for 805 ILCS 180/45-47, activities that: ilga.gov, logged October 2026.
- Reference for 805 ILCS 180/45-45: ilga.gov, logged November 2026.
- Logged November 13, 2026: Mainstay Filing Illinois service page
- Logged November 13, 2026: IL Registered Agent.org pricing page
- Logged November 13, 2026: Illinois Registered Agent.co pricing page