New Hampshire

 

Last Updated June 18, 2026.

New Hampshire has unique tax rules and unemployment insurance requirements that employers must understand. Use the resources below to access state agencies and payroll compliance information.

State Tax Guidelines

No Withholding Tax

New Hampshire Employment Security – Unemployment tax

Agency Information

Add to existing company setup

Submit a request to your service team to add NHSUI (unemployment) to your company setup. Please include the below with your request:

  • Unemployment – Account Number and Tax rate. 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 603-224-3311.

Register a new company

Register online at https://www.nhes.nh.gov/employers/register-your-company-nh. Select the Employer Status Report Online link. Follow the instruction to complete the registration process. Once completed you will receive your account number and rate within 2 week. You may also contact the agency at 603-224-3311 to obtain your account information.

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