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Step-by-Step Guide·IN·Feb 24, 2026

How to Start a Business in Indiana

Indiana is home to over 540,000 small businesses, representing 99.4% of all employers in the state.

Registration costs $20–$95 depending on structure — most founders complete the process in under 2 weeks.
12 steps to legal registrationFebruary 24, 202614 min read
Jennifer Payne
Written byJennifer Payne
Director of Entrepreneurial Strategy

In This Article

18 sections
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The Complete Guide

How to Start a Business in Indiana12 Steps

This is a full walkthrough: entity selection, state registration, federal tax IDs, licenses, banking, insurance, and ongoing compliance. Every step includes the official Indiana links, fees, and timelines.

Cost depends on your structure. A sole proprietorship may cost nothing to start. An LLC costs $95 to file online. A corporation costs $100. Step 3 walks through every option.

Indiana: Key Business Facts

Updated: Feb 2026
LLC Filing Fee (Online)
$95
Sole Proprietorship / DBA
$20
Corporation Filing
$100
Processing Time
1 business day (online)
Expedited Option
Not available
State Income Tax
3.05% flat rate
Sales Tax Rate
7%
Gross Receipts Tax
No
Franchise / Annual Tax
None
Filed With
Indiana Secretary of State
State Business License
Not required (check local)
Last Verified
February 24, 2026
Indiana Secretary of State — Official Portal

Local licenses: Indiana does not require a general state business license. Cities like Indianapolis, Fort Wayne, and Evansville may require local permits or registrations depending on your business type and location.

What It Takes to Start a Business in Indiana

Indiana consistently ranks among the most business-friendly states in the country, with a 77% business success rate and a pro-growth regulatory environment. The state charges one of the lowest LLC formation fees nationally at $95, and online filings process within one business day.

You will file your formation documents through INBiz, Indiana's official business portal managed by the Indiana Secretary of State. The 12 steps below cover everything from validating your idea to staying compliant with biennial reporting requirements.

Step 1 of 12

Validate Your Business Idea in Indiana

Research whether your business idea fits Indiana's economic strengths before investing time and money. The state's top industries include:

  • Advanced manufacturing (Indiana is the #1 manufacturing state per capita)
  • Life sciences and pharmaceuticals (Eli Lilly headquarters in Indianapolis)
  • Logistics and transportation (central U.S. location with major interstate access)

Contact the Indiana Small Business Development Center (SBDC) for free one-on-one business consulting and market research assistance. SBDC advisors help you evaluate demand, competition, and pricing before you commit to formation.

Pro Tip

Ask the Indiana SBDC about their no-cost market feasibility studies. They can pull demographic and industry data specific to your county.
Step 2 of 12

Write a Business Plan

Draft a business plan that covers your revenue model, target market, startup costs, and 12-month financial projections. Banks and SBA lenders require a formal plan before approving any financing.

Use our business plan guide to build yours section by section. Indiana entrepreneurs reportedly have access to an average of $24,502 in financial support, and a solid plan is your ticket to tapping those resources.

Pro Tip

Keep your financial projections conservative. Lenders trust realistic numbers over optimistic ones.
Step 3 of 12

Choose Your Business Structure in Indiana

Most founders in Indiana choose an LLC because it combines personal liability protection with pass-through taxation. Filing an LLC costs $95 online at the Indiana Secretary of State portal.

The four main structures are sole proprietorship, LLC, S-Corp, and C-Corp. Each has different tax treatment, liability exposure, and paperwork requirements. See the full comparison below, or read our Indiana LLC formation guide for a deeper walkthrough.

Pro Tip

When in doubt, choose an LLC. You can always elect S-Corp tax treatment later once you are profitable.

Business Structure Comparison — Indiana

Full comparison guide
StructureIndiana Filing CostPersonal LiabilityHow You're TaxedBest For
Sole Proprietorship$20 (DBA) NonePersonal income tax. No separate return.Freelancers, consultants, side hustles testing an idea with no employees.
LLC Most Common$95 online Personal assets protectedPass-through by default. Elect S-Corp when profitable.Most small businesses. Best balance of liability protection, flexibility, and tax options.
S-Corporation~$95 + IRS election Personal assets protectedPass-through. Owners pay themselves a salary — can reduce self-employment tax.Profitable businesses (typically $50K+ net) where payroll tax savings justify the complexity.
C-Corporation$100 Personal assets protectedCorporate tax rate (21% federal). Double taxation on dividends.Startups planning to raise VC funding, issue stock options, or eventually go public.
General PartnershipFree / No State Filing None — all partners personally liablePass-through. Each partner reports share on personal return.Two or more owners who trust each other and don't need liability protection.

Which should you choose? Most first-time founders in Indiana pick an LLC — it protects your personal assets without the complexity of a corporation. If you're not sure, consult a CPA or business attorney before filing. Read the full Indiana LLC guide →

Step 4 of 12

Choose and Register Your Business Name

Your business name must be distinguishable from any existing entity registered in Indiana. Search the INBiz business name database to confirm availability before filing.

LLCs must include "LLC" or "Limited Liability Company" in the official name. You can reserve a name for $20 for 120 days, with a $10 extension for an additional 30 days if you need more time before filing.

Pro Tip

Check for matching domain names and social media handles before committing to a business name.

Check Indiana Business Name Availability

Search the official Indiana Secretary of State database before you file.

Search Names
Step 5 of 12

Register Your Business with the State of Indiana

File your Articles of Organization online through INBiz for $95. Online filings process within 1 business day, while mail submissions take 2 to 3 weeks.

You will receive a Certificate of Organization once approved. Indiana does not require a registered agent, but appointing one is recommended for privacy and reliable service of process. See our Indiana registered agent guide for options.

Pro Tip

File online to get same-day processing. Indiana does not offer expedited filing, so online is already your fastest option.

Important

Mail filings take 2 to 3 weeks and cost $100 (vs $95 online). Always file through INBiz when possible.

File Online with Indiana Secretary of State

Official Indiana business registration portal. Standard processing: 1 business day (online).

File Online
Step 6 of 12

Get Your Federal EIN from the IRS

Apply for a free Employer Identification Number (EIN) at the IRS EIN portal. The online application takes about 10 minutes and your EIN is issued immediately.

You need an EIN to open a business bank account, hire employees, and file federal taxes. Even single-member LLCs benefit from having an EIN instead of using a personal Social Security number on business documents.

Pro Tip

Apply during IRS business hours (7 AM to 10 PM ET, Monday through Friday) to use the online tool and get instant results.
Step 7 of 12

Get Your Indiana Licenses and Permits

Requirements vary by industry, but most Indiana businesses need:

  • Registered Retail Merchant Certificate (seller's permit) required if selling taxable goods or services; costs approximately $25 per location through the Indiana Department of Revenue
  • Professional License required for contractors, healthcare providers, real estate agents, barbers, and other regulated fields through the Indiana Professional Licensing Agency
  • Employer Registration required before hiring; register for state withholding and unemployment insurance at the Indiana Department of Workforce Development
  • Local Permits check with your city or county clerk for zoning, health, signage, or home occupation permits

Pro Tip

The Indiana Professional Licensing Agency oversees 40+ professions. Check their directory before assuming you do not need a license.
Step 8 of 12

Open a Business Bank Account

Bring your EIN confirmation letter, Articles of Organization, government-issued ID, and your LLC operating agreement to the bank. Separating personal and business finances is essential for maintaining your LLC's liability protection.

Compare business checking options in our best business bank accounts guide. Many Indiana banks and credit unions offer free business checking with no minimum balance for new businesses.

Pro Tip

Draft an operating agreement before visiting the bank, even for single-member LLCs. Most banks require one to open an account.
Step 9 of 12

Set Up Accounting and Understand Indiana Taxes

Indiana charges a flat 3.05% state income tax on business profits passed through to your personal return. County income taxes add another 0.5% to 2.96% depending on where you live, so check your county's rate at the Indiana Department of Revenue.

The state sales tax is 7% with no additional local sales taxes, making collection straightforward. If you expect to owe more than $1,000 in state income tax, you must make quarterly estimated payments.

Set up accounting software from day one to track income and expenses. Our best accounting software guide compares affordable options for new businesses.

Pro Tip

Indiana's flat 7% sales tax (no local add-ons) simplifies compliance compared to states with varying local rates.
Step 10 of 12

Get Business Insurance in Indiana

Indiana requires workers' compensation insurance for all businesses with one or more employees. General liability insurance is recommended as a baseline for every business, even if you work solo.

Compare coverage options in our best business insurance guide. Policies for small Indiana businesses typically start around $30 to $50 per month for general liability.

Important

Operating without workers' comp in Indiana can result in fines and personal liability for employee injuries. Get coverage before making your first hire.
Step 11 of 12

Build Your Online Presence

Claim your free Google Business Profile to appear in local search results across Indiana. This is the single highest-impact marketing step for local businesses and costs nothing.

Build a simple website using a platform from our best website builders guide. Even a one-page site with your services, location, and contact info builds credibility with customers searching online.

Pro Tip

Ask your first customers for Google reviews. Businesses with 5+ reviews rank significantly higher in local search.
Step 12 of 12

Stay Compliant After Forming Your Indiana Business

After forming, keep your Indiana business in good standing by meeting these ongoing requirements:

  • Biennial Business Entity Report due every 2 years during the anniversary month of your formation, fee: $32 online or $50 by mail, filed through INBiz
  • State Tax Filings file annual Indiana income tax returns and quarterly estimated payments if applicable through the Indiana Department of Revenue
  • Registered Agent maintain a registered agent with an Indiana address at all times if you appointed one
  • Business Licenses renew your Registered Retail Merchant Certificate and any professional licenses on schedule

Missing the biennial report deadline results in late fees and potential administrative dissolution. Track all deadlines with StartupOwl's compliance calendar.

Pro Tip

Set a calendar reminder 60 days before your biennial report is due. Indiana does not always send reminders.

Indiana Business Background & Context

State-specific data to help you plan — taxes, economy, funding, and what to expect after you form.

Frequently Asked Questions

What to Do Next

Once you've registered your Indiana business, take these steps to set up for success.

Disclaimer: This guide is for informational purposes only and does not constitute legal or tax advice. Requirements change — always verify current fees and requirements directly with Indiana Secretary of State and the IRS before filing.

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About the Author

Jennifer Payne

Director of Entrepreneurial Strategy

Jennifer is a former founder who built and sold a boutique B2B logistics company in her thirties. She understands the emotional and strategic toll of building a business from the ground up without a massive safety net. She is deeply connected to the Atlanta startup ecosystem and is passionate about equitable funding.

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