Registered agent price tables - Illinois
3 Best Registered Agents in Illinois (2026): Price Table
Table order: Best value on top, by our five-column test
Illinois: the main figures
- Registered agent mandatory?Yesilga.gov [read October 2026, table note]
- Price band, year one$99 to $149Yearly charge
- Price band, three years$297 to $447Both renewals counted
- Limited Liability Company Annual Report$75 per yearilsos.gov [read October 2026, table note]
- Entries swap inNo swapNo entry passes another
Illinois price table
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1. IL Registered Agent.org: best for the smallest yearly bill
Top of the table- Year-1 cell$99
- Renewal cell$99/yr
- Three-year cell$297
$99 in year one; $99 from then on
Top of the table: IL Registered Agent.org. $99 yearly, with a street address in the state included.
Cost decides this one: three years here cost less than three years with Mainstay Filing.
Price buys
- A physical in-state office
- Served papers appear in your login
In its favor
- Undercuts Mainstay Filing every year
- $99 a year, no change at renewal
Against it
- Expanding means finding a new agent
- Does not cover the Limited Liability Company Annual Report
See IL Registered Agent.orgPartner link. We may earn money if you buy. -
2. Mainstay Filing: best for one price for any state
National- Year-1 cell$149
- Renewal cell$149/yr
- Three-year cell$447
$149 in year one; $149 from then on
Mainstay Filing holds place 2 because a flat $149 yearly, whichever state applies.
IL Registered Agent.org is $150 cheaper over three years, enough to place higher.
Price buys
- An office address inside the state
- Up to three government mailings a year, scanned at no extra charge
- Covers LLCs, corporations, LPs, LLPs and nonprofits
In its favor
- Valid in every state
- Year 1 $149, year 2 $149
Against it
- $50 a year above IL Registered Agent.org
- Covers the agent role only
See Mainstay FilingPartner link. We may earn money if you buy. -
3. Illinois Registered Agent.co: best for keeping the agent local
Local entry- Year-1 cell$99
- Renewal cell$99/yr
- Three-year cell$297
$99 in year one; $99 from then on
Entry 3 is Illinois Registered Agent.co. $99 yearly, with a street address in the state included.
Cell for cell, it ties IL Registered Agent.org.
Price buys
- A physical in-state office
- Served papers appear in your login
In its favor
- $99 a year, no change at renewal
- Undercuts Mainstay Filing every year
Against it
- Expanding means finding a new agent
- Does not cover the Limited Liability Company Annual Report
See Illinois Registered Agent.coPartner link. We may earn money if you buy.
Year-by-year totals
| No. | Entry | Year 1 cell | Year 2 cell | Year 3 cell | Year 5 cell | |
|---|---|---|---|---|---|---|
| 1 | IL Registered Agent.org | $99 | $198 | $297 | $495 | See IL Registered Agent.orgPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $149 | $298 | $447 | $745 | See Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | Illinois Registered Agent.co | $99 | $198 | $297 | $495 | See Illinois Registered Agent.coPartner link. We may earn money if you buy. |
Table calculator
Illinois fee list
| Charge | Cell | Source |
|---|---|---|
| Cost to form | $150 | ilsos.gov [read October 2026, table note] |
| Limited Liability Company Annual Report | $75 every year | ilsos.gov [read October 2026, table note] |
| Cost of missing the deadline | $100 | ilsos.gov [read October 2026, table note] |
| What the state collects by year 3 | $300 | Total of the lines |
Notes on the order
Three-year row total put IL Registered Agent.org first. That column is 40% of the sort, and filing work per row, renewal gap, row crossover and cell clarity make up the remainder.
In the three-year column IL Registered Agent.org reads $297, which is $150 away from Mainstay Filing.
Illinois registered agent requirements, quoted from the official source (Illinois Secretary of State)
Every LLC must name a registered agent with an in-state street address.
An Illinois resident, or a business authorized to do business in Illinois. The LLC cannot act as its own agent. Look up 805 ILCS 180/1-35.
The address has to be a registered office in Illinois that matches the agent's business office. A P.O. box alone is not accepted.
Quoted text: ilga.gov [read October 2026, table note]
Without a service
Qualifying owners pay nothing extra by going without a service. The entries above sell the convenience for $99 to $149 a year.
Common questions
What does an Illinois registered agent cost per year?
Plan on $99 to $149 annually.
What do three years of agent service cost?
Service totals after three years: $297 to $447.
Does the law make an Illinois LLC keep a registered agent?
Yes, it must. Every LLC must name a registered agent with an in-state street address.
Is the owner permitted to be the registered agent?
You can, provided you meet both the address and eligibility rules.
What does the state charge the LLC every year?
Every year the state bills $75 for the Limited Liability Company Annual Report, due before the first day of the entity's anniversary month.
When does one entry pass another in total cost?
No swap in ten years; no entry passes another.
Which registered agent is the best value in Illinois?
Top to bottom: IL Registered Agent.org, Mainstay Filing and Illinois Registered Agent.co.
Next tables
Where this came from
- Illinois Secretary of State, Department: ilsos.gov, as of August 2026.
- Illinois Secretary of State, Department: ilsos.gov, as of August 2026.
- 805 ILCS 180/5-5: ilga.gov, as of August 2026.
- Illinois formation fee: Filing fee: ilga.gov, as of October 2026.
- Illinois formation fee: Filing fee: ilsos.gov, as of October 2026.
- Illinois registered agent statute: ilga.gov, as of October 2026.
- IL Registered Agent.org: pricing page (read November 13, 2026)
- Mainstay Filing: Illinois service page (read November 13, 2026)
- Illinois Registered Agent.co: pricing page (read November 13, 2026)