How to Form an LLC in Indiana: Complete 2026 Guide
Indiana offers one of the most business-friendly environments in the Midwest: a flat 3.0% state income tax (dropping to 2.95% in 2026 and continuing to decline), low formation costs, and biennial reporting that cuts compliance in half. Forming an LLC costs $95 online through the Indiana Secretary of State's INBiz portal. Indiana's 24-hour online processing is among the fastest in the nation, and the state charges no franchise tax, no gross receipts tax, and no entity-level LLC tax.
The key advantage: biennial reporting. Indiana requires a Business Entity Report only every two years — not annually. The report costs $31 online ($50 by mail) and is due in the anniversary month of your LLC's formation. This means your first report isn't due until two years after formation, and subsequent filings are every other year. Combined with the declining flat income tax rate, Indiana offers some of the lowest ongoing compliance costs in the country.
Our top pick to form your LLC in Indiana: Northwest Registered Agent charges $39 for formation and includes a free year of registered agent service.
Indiana LLC at a Glance
| Item | Detail |
|---|---|
| State filing fee | $95 (online) / $100 (mail) |
| Biennial report | $31 (online) / $50 (mail) every 2 years |
| State income tax | Flat 3.0% (2025), 2.95% (2026), 2.90% (2027) |
| County income tax | 0.5%–2.9% (varies by county) |
| Franchise tax | None |
| Standard processing | ~24 hours (online) |
| Mail processing | 5–7 business days |
| Expedited processing | $25 extra (online only) |
| Registered agent | Required (physical Indiana address) |
| Operating agreement | Not required by law, strongly recommended |
| Publication requirement | None |
What You Need Before Filing in Indiana
Indiana uses the INBiz portal for online business filings. It's the official gateway for all Indiana business registrations. You need:
- LLC name that includes "Limited Liability Company," "LLC," or "L.L.C." and is distinguishable from existing Indiana entities. Search INBiz to check availability. Name reservation costs $10 and holds your name for 120 days.
- Registered agent with a physical street address in Indiana. Must be an individual residing in Indiana or a business entity authorized to do business in the state. P.O. boxes are not accepted. An LLC cannot serve as its own registered agent.
- Articles of Organization details: LLC name, principal office address, registered agent name and Indiana street address, management structure (member-managed or manager-managed), and organizer information.
- INBiz account: Create an account with your email, name, and phone number before filing.
Step-by-Step: Forming an Indiana LLC in 2026
Step 1: Choose and Verify Your LLC Name
Search INBiz to confirm your name is available. Your name must include "Limited Liability Company," "LLC," or "L.L.C." and cannot be confusingly similar to an existing Indiana entity. Optional: reserve the name for 120 days for $10.
Step 2: Appoint an Indiana Registered Agent
Every Indiana LLC must designate a registered agent with a physical street address in Indiana. The agent receives legal documents, tax notices, and official correspondence. An LLC cannot serve as its own registered agent. Northwest Registered Agent charges $39 for LLC formation and includes a free year of registered agent service in Indiana.
Step 3: File the Articles of Organization
Submit the Articles of Organization through INBiz. The online filing fee is $95. Select "Start a New Business" and choose "Limited Liability Company" as the entity type. Complete the LLC details, electronically sign, and pay. Online filings typically process within 24 hours. Expedited processing is available for $25 extra.
Step 4: Obtain Your EIN (Federal Tax ID)
Apply for an Employer Identification Number at IRS.gov. It's free and takes about 5 minutes online. Required for business banking, hiring employees, and filing taxes.
Step 5: Draft an Operating Agreement
Indiana does not require an operating agreement by law, but you should create one. It defines member roles, profit distribution, voting rights, and dissolution procedures. Courts look favorably on documented operating agreements when resolving member disputes.
Step 6: Open a Business Bank Account
Separate your personal and business finances. You'll need your approved Articles of Organization (download from INBiz), EIN confirmation letter, and operating agreement.
Step 7: Register for State Taxes
Register through INBiz for applicable state taxes: sales tax (if selling taxable goods/services), employer withholding tax, and unemployment insurance tax. The INBiz portal consolidates all registrations in one place.
Indiana LLC Cost Breakdown
One-Time Costs
| Item | Cost |
|---|---|
| Articles of Organization (online) | $95 |
| Articles of Organization (mail) | $100 |
| Name reservation (optional) | $10 |
| EIN | Free |
| Operating agreement | Free (DIY) – $500+ (attorney) |
Biennial Costs (Every 2 Years)
| Item | Cost |
|---|---|
| Business Entity Report (online) | $31 |
| Business Entity Report (mail) | $50 |
| Registered agent (if using a service) | $100–$300/year |
| State income tax | Flat 2.95% (2026) |
| County income tax | 0.5%–2.9% |
3-Year Total Cost Comparison
| Approach | Year 1 | Year 2 | Year 3 | 3-Year Total |
|---|---|---|---|---|
| 100% DIY | $95 | $0 | $31 | $126 |
| Northwest ($39) | $134 | $125 | $156 | $415 |
| Bizee ($0 + upsells) | $95 | $0 | $31 | $126+ |
Note: Northwest includes free registered agent Year 1 ($125/year after). Bizee's $0 formation excludes registered agent and optional add-ons. Indiana's biennial report means you only pay $31 every other year — Year 3 includes the first biennial report.
→ Form Your Indiana LLC with Northwest for $39 + State Fees
→ Form Your Indiana LLC with Bizee for $0 + State Fees
Indiana-Specific Considerations
Declining Flat Income Tax Rate
Indiana's flat income tax rate has been on a steady decline: 3.23% (2023) → 3.05% (2024) → 3.0% (2025) → 2.95% (2026) → 2.90% (2027). This makes Indiana increasingly competitive with no-income-tax states for LLC owners who want the benefits of a real operational presence. Combined with county income tax (0.5%–2.9%), the total state + local rate ranges from about 3.5% to 5.85%.
County Income Tax Varies Significantly
Every Indiana county levies its own income tax on top of the state rate. Rates range from about 0.5% to 2.9%. Marion County (Indianapolis) charges 2.02%, Hamilton County 1.0%, Allen County (Fort Wayne) 1.48%, and Lake County 1.5%. Check the Indiana Department of Revenue for current county rates, as they can change in January and October each year.
INBiz: One-Stop Business Portal
Indiana's INBiz portal is one of the most streamlined state business filing systems. You can form your LLC, register for state taxes, file biennial reports, and update registered agent information all in one place. The 24-hour processing time for online formations is among the fastest in the nation.
Pass-Through Entity Tax (PTET) Election
Starting in 2025, Indiana allows eligible LLCs to elect to pay state income tax at the entity level (PTET). This can serve as a workaround for the federal $10,000 SALT deduction cap, potentially saving federal taxes for members. Consult a tax professional to determine if the PTET election benefits your situation.
When Indiana Is — and Isn't — the Right Choice
Indiana makes sense if:
- You live in Indiana or operate in the Midwest
- You want a declining flat income tax rate (heading toward sub-3%)
- You want biennial reporting instead of annual (less paperwork)
- You value fast online processing (~24 hours)
- You want an all-in-one business portal (INBiz)
Consider another state if:
- You want zero state income tax. Consider Texas, Florida, Wyoming, or Nevada.
- You want zero annual/biennial filing requirements. Ohio requires no reports at all.
- You want maximum privacy. Wyoming and New Mexico offer stronger anonymity.
- You want the cheapest possible formation. Michigan ($50) and New Mexico ($50) cost about half of Indiana's fee.
Original Research: Indiana LLC Total Cost Analysis
We analyzed Indiana Secretary of State filing data and fee schedules to calculate the true compliance cost for Indiana LLCs:
| Metric | Data |
|---|---|
| Formation filing fee | $95 (online) / $100 (mail) |
| Biennial report fee | $31 (online) / $50 (mail) every 2 years |
| State income tax | Flat 2.95% (2026), declining annually |
| County income tax | 0.5%–2.9% (varies) |
| Franchise/entity-level tax | $0 |
| Name reservation fee | $10 (120 days) |
| Foreign LLC registration | $75 (online) / $125 (mail) |
| Best filing strategy | INBiz online ($95, ~24 hours) |
Finding: Indiana offers a compelling combination of low costs and simplicity. The 3-year DIY cost is just $126 ($95 + $31 biennial report), making it one of the cheapest states for total LLC compliance. The declining flat income tax (heading to sub-3%) is a significant advantage over most states. Indiana's main limitation is the county income tax, which can add 0.5%–2.9% on top of the state rate. For Midwest businesses, Indiana competes favorably with Ohio (cheaper compliance but no declining tax trend) and Illinois (higher taxes and fees). If you're choosing between Indiana and a no-income-tax state, the decision comes down to whether you need a physical Indiana presence for your business operations.
Frequently Asked Questions About Indiana LLC Formation
How Much Does It Cost to Form an LLC in Indiana?
The online filing fee is $95 ($100 by mail). The biennial report costs $31 online every two years. Using Northwest Registered Agent at $39, total first-year cost is $134 ($39 + $95).
When Is the Indiana Biennial Report Due?
The Business Entity Report is due every two years, in the anniversary month of your LLC's formation. For example, if you formed in March 2026, your first report is due in March 2028.
What Is Indiana's State Income Tax Rate for LLCs?
Indiana has a flat income tax rate that's declining: 3.0% (2025), 2.95% (2026), 2.90% (2027). LLC pass-through income is taxed at the individual member's rate. County income tax (0.5%–2.9%) applies on top of the state rate.
How Long Does It Take to Form an Indiana LLC?
Online filings through INBiz typically process within 24 hours — one of the fastest in the nation. Mail filings take 5–7 business days. Expedited online processing is available for $25 extra.
Do I Need a Registered Agent in Indiana?
Yes. The agent must have a physical Indiana street address and be available during regular business hours. An LLC cannot serve as its own registered agent. Only one agent can be designated at a time.
Does Indiana Have a Franchise Tax?
No. Indiana does not impose a franchise tax, gross receipts tax, or entity-level tax on LLCs. Income is taxed only at the individual member level through the flat state income tax plus county tax.
What Is the PTET Election?
The Pass-Through Entity Tax (PTET) election allows eligible LLCs to pay state income tax at the entity level. This can help members bypass the federal $10,000 SALT deduction cap. It's optional and became available for Indiana LLCs starting in 2025.
Is Indiana a Good State for an LLC?
For Indiana residents and Midwest businesses, yes. The declining flat tax rate, biennial (not annual) reporting, fast online processing, and all-in-one INBiz portal make Indiana one of the simplest and cheapest states for LLC formation and maintenance. The main consideration is county income tax, which varies significantly across the state.
Next Steps: Form Your Indiana LLC
If Indiana is the right fit:
- Use an online formation service to file through INBiz correctly
- Budget $134 for year one: $39 (Northwest) + $95 (state filing fee)
- Mark your anniversary month — that's when your biennial report is due every two years
→ Form Your Indiana LLC with Northwest for $39 + State Fees
→ Form Your Indiana LLC with Bizee for $0 + State Fees
Related guides: How to Form an LLC · LLC Formation Cost · Best LLC Formation Services · LLC Formation Comparison · Northwest Registered Agent Review · Ohio LLC · Illinois LLC · Michigan LLC · Minnesota LLC · Pennsylvania LLC · Missouri LLC · Kentucky LLC
Frédéric Deltour
Entrepreneur · Business Consultant · Certified Professional Trainer
22+ years of entrepreneurship & 3 international companies founded, Frédéric brings real-world business expertise to our site. Certified holistic coach & therapist trainer, published author, and recognized authority featured in Le Parisien, IMDb, Goodreads, and international encyclopedias.
Indiana-Specific Pitfalls Most Guides Skip
Biennial Business Entity Report, not annual. Indiana LLCs file a Business Entity Report with the Secretary of State every two years by the end of the anniversary month. Filing fee: $32 online, $50 paper. Source: Indiana Secretary of State, INBiz portal.
Indiana Taxpayer Identification Number (TID) must be obtained before first sale. LLCs selling taxable goods must register with the Department of Revenue via INBiz, collect 7% state sales tax, and file ST-103 returns monthly. Registration is free but mandatory.
County innkeeper's tax and food-and-beverage taxes. Many Indiana counties levy an innkeeper's tax (1-10% on lodging) and a food-and-beverage tax (1-2% on prepared food). LLCs in hospitality must register with both the state DOR and any relevant county treasurer.