LegalCostCalculator
Updated May 2026 Side-by-Side

Illinois vs Montana: Legal Cost Comparison (2026)

Full side-by-side breakdown of legal fees in Illinois and Montana — LLC formation, divorce filing, small claims limits, and notary fees.

Montana
Cheaper LLC
Montana
Cheaper Divorce
Illinois
Higher SC Limit

LLC Formation Costs: Illinois vs Montana

Illinois
Montana

Filing Fee

$150
$35 WIN

✓ Montana is cheaper here

Annual Report

$75
$15 WIN

✓ Montana is cheaper here

Publication Cost

$0
$0

It's a tie

Franchise Tax

$0
$0

It's a tie

Est. Year-1 Total

$150
$35 WIN

✓ Montana is cheaper here

Illinois: Illinois processing time can be slow — up to 10 business days for standard filing.

Montana: Montana has no sales tax — beneficial for product-based businesses.

Illinois: Chicago access — major market for B2B and professional services.

Montana: Lowest formation fee in the US at $35. No sales tax.

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Small Claims Court: Illinois vs Montana

Illinois
Montana

Max Claim Limit

$10,000 WIN
$7,000

✓ Illinois is cheaper here

Min Filing Fee

$56
$30 WIN

✓ Montana is cheaper here

Contract SOL

5 yrs
8 yrs WIN

✓ Montana is cheaper here

Divorce Filing Costs: Illinois vs Montana

Illinois
Montana

Filing Fee

$289
$120 WIN

✓ Montana is cheaper here

Sheriff Service

$60
$50 WIN

✓ Montana is cheaper here

Children Surcharge

$0
$0

It's a tie

Notary Fees: Illinois vs Montana

Illinois
Montana

Acknowledgment

$5
$10

Jurat

$5
$10

RON Fee

$25
$10
All Legal Costs in Illinois →
Full breakdown: LLC, divorce, small claims & notary
All Legal Costs in Montana →
Full breakdown: LLC, divorce, small claims & notary

Frequently Asked Questions

Is Illinois or Montana cheaper to form an LLC?
Montana is cheaper to form an LLC — $35 vs $150. However, consider the full first-year cost including annual report fees: Illinois year-1 total is $150 vs Montana at $35.
What is the LLC filing fee in Illinois vs Montana?
The LLC filing fee is $150 in Illinois vs $35 in Montana. In addition to the one-time filing fee, Illinois charges a $75 annual report fee and Montana charges a $15 annual report fee.
Which state is better for a small business — Illinois or Montana?
For most small businesses operating in one state, form your LLC in the state where you actually do business. If you operate in Illinois, form there — registering in Montana and then foreign-qualifying in Illinois means paying fees to both states. The "form in a cheaper state" strategy mainly benefits online businesses with no physical location.
How do divorce filing fees compare between Illinois and Montana?
Montana has lower divorce filing fees — $120 vs $289. Both states also charge for service of process ($60 in Illinois, $50 in Montana). You can only file divorce in a state where you or your spouse meets the residency requirement.
What is the small claims limit in Illinois vs Montana?
The small claims limit is $10,000 in Illinois vs $7,000 in Montana. Illinois allows you to sue for more money without going to regular civil court. Filing fees are $56 in Illinois and $30 in Montana.