Indiana
Register your new business in Indiana and navigate tax requirements effortlessly with this guide.
Indiana New Business Registration Guide
Taxes You Must Register For
If you’re starting a business with employees in Indiana, you must register for:
- State Income Tax Withholding
- State Unemployment Insurance (SUI) Tax
- Local Withholding (County Income Tax)
➤ Combined State Tax Registration (Withholding + UI)
Registration Portal: INBiz
Tax Agencies:
- Indiana Department of Revenue (DOR) — Income and Local Withholding
- Department of Workforce Development (DWD) — Unemployment Insurance
✅ Registration Steps
Step 1: Register Through INBiz
- Click “Register Now”
- If you don’t have an Access Indiana account:
- Enter your email and verify with the code sent
- Set up a password, recovery email, and 2-step verification (optional)
- Select your role in the company
- Choose “Tax Registration” and select all applicable state services
- Click “Take Me to INBiz” to access your dashboard
Step 2: Register for Tax Accounts
- Under Online Services, click Register Department of Revenue
- Click “Start Tax Registration”, review needed information, and proceed
- Search for business name or ID, then complete tax setup
- Return to dashboard and select Register Department of Workforce Development
- Click “Guide Me”, review details, and complete DWD registration
📄 Account Formats
- Withholding Tax ID Format: 10-digit numeric (e.g.,
1234567890)
- SUI Account Format: Typically 9 digits (e.g.,
123456789)
➡️ Update your Check account with both your Indiana Taxpayer ID and SUI Account Number
➤ Department of Workforce Development Account Setup
Portal: Uplink Employer Self-Service
✅ Registration Steps
- Click “Register”, then choose “Employer”
- Enter your FEIN and select “No” for existing account
- Complete the verification process
- Set up your username and password
➤ Granting Third-Party Access to Check
To authorize Check Technologies as your Third-Party Administrator (TPA) for UI filings:
- Log into: https://uplink.in.gov/ESS/ESSLogon.htm
- Go to Maintain Account > User Information
- Expand the External Account Authorizations (Agent) section
- Click “Add Agent”
- Leave business name blank
- Enter Agent ID:
120389
- Click Next, select “Wage Records” under Authorization
- Check the acknowledgment box and submit
➤ Local Withholding (County Income Tax)
Tax Agency: Indiana Department of Revenue (DOR)
Website: https://www.in.gov/dor/
✅ Key Facts
- No separate registration is required
- County taxes are tied to your state Taxpayer ID
- Employers must withhold local tax for:
- The employee’s county of residence (as of Jan 1), or
- The Indiana county of employment (for out-of-state residents)
➡️ Your state income tax ID is also used for county tax reporting
🔄 Final Step
✅ After registration, update your Check account with:
- Indiana Taxpayer Identification Number (for income and local withholding)
- Indiana SUI Account Number
Need Help?
- INBiz Customer Support: (317) 234-9768
- Department of Revenue: (317) 232-2240
- Small Business Help Center: https://www.in.gov/dor/business-tax/new-and-small-business-education-center/
- Uplink Help Desk: Accessible via Uplink portal
⚠️ Disclaimer: This guide is informational only. Please consult a CPA or legal professional for official tax guidance.
Last updated on March 31, 2022