Idaho
Article Contents
- Idaho
- Idaho New Business Registration Guide
- Taxes You Must Register For
- ➤ Required State Agencies
- ➤ Step-by-Step Registration Process
- Step 1: Register Your Business with the Secretary of State
- Step 2: Register for Withholding Tax and SUI Tax
- Option 1: Online Registration
- Option 2: Paper Registration
- ➤ Final Step
Idaho
Register your business in Idaho by following essential steps for tax compliance and agency connections.
Idaho New Business Registration Guide
Taxes You Must Register For
If you’re starting a business with employees in Idaho, you must register for:
- Withholding Tax
- State Unemployment Insurance (SUI) Tax
➤ Required State Agencies
- Idaho State Tax Commission — https://tax.idaho.gov/index.cfm
- Idaho Department of Labor — https://www.labor.idaho.gov/dnn/
- Idaho Secretary of State (business entity registration) — https://sosbiz.idaho.gov/auth?page=login
➤ Step-by-Step Registration Process
Step 1: Register Your Business with the Secretary of State
Before registering for taxes, you must register your legal business entity:
- Go to the Idaho SOSBiz portal: https://sosbiz.idaho.gov/auth?page=login
- Create an account or log in
- Register your business entity online
Step 2: Register for Withholding Tax and SUI Tax
Both the Idaho State Tax Commission and the Idaho Department of Labor use a joint registration system.
You can register in one of two ways:
Option 1: Online Registration
- Use the Idaho Business Registration System: https://www2.labor.idaho.gov/ibrs/ibr.aspx?sAction=1
- Complete the multi-agency form for both withholding and SUI
- Submit online
Option 2: Paper Registration
- Download and complete Form IBR-1 (Business Registration Form)
- Sign and submit by mail as instructed on the form
This form will register your business for:
- An Idaho Withholding Account Number (via the Tax Commission)
- An Idaho SUI Account Number (via the Department of Labor)
➤ Final Step
Once registration is approved, you’ll receive your:
- Withholding Tax Account Number
- SUI Tax Account Number
Update your Check account with both numbers for compliance and payroll processing
Need help?
- Idaho State Tax Commission
Website: https://tax.idaho.gov/i-1026.cfm
Phone: (208) 334-7660
- Idaho Department of Labor
Website: https://www.labor.idaho.gov/dnn/
Phone: (208) 332-8942
Disclaimer: This guide does not constitute legal or tax advice. Please consult a CPA or legal professional for official guidance.
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