Hawaii
Last Updated June 17, 2026.
Hawaii employers must comply with state withholding tax, unemployment insurance, and employment reporting obligations. Use the resources below to find registration information, tax forms, and agency contacts.
State Tax Guidelines
Hawaii Department of Taxation – Withholding Tax
Agency Information
Add to existing company setup
Submit a request to your service team to add HI (withholding) to your company setup. Please include the below with your request:
- Withholding – Deposit Frequency and Account number. If you’re unsure of your deposit frequency or account number, you can call the agency at 800-222-3229.
- Power of Attorney- POA is required, please obtain the prefilled form from your client service representative.
Register a new company
Hawaii Department of Labor and Industrial Relations – Unemployment tax
Agency Information
Add to existing company setup
Submit a request to your service team to add HISUI (unemployment) to your company setup. Please include the below with your request:
- Unemployment – Tax rate and Account number. This can be found on a Tax Rate Notice or the Quarterly contribution report. If you’re unsure of your tax rate or account number, you can call the agency at 808-586-8915.
Register a new company
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