Hawaii Employer Tax Information

To sign up for Square’s online payroll services in Hawaii, you must be registered with the Hawaii Department of Taxation and the Hawaii Department of Labor and Industrial Relations so we can pay and file your state taxes.

Hawaii Tax Account Numbers

Hawaii Withholding Account Number

• If you are a new business, register online as a new business through the Hawaii Department of Taxation.

• If you already have a Hawaii Withholding Account Number, you can look this up online or on any previous correspondence from the Hawaii Department of Taxation. If you’re unsure, contact the agency at 808-587-4242.

Hawaii Unemployment Insurance Account Number

• If you are a new business, register online to retrieve your UI Account Number.

• If you already have a Hawaii UI Account Number, you can look this up online or on previous Rate Notices received from the agency.

• If you’re unsure, contact the Hawaii Department of Labor and Industrial Relations at 808-586-8982 or by visiting https://labor.hawaii.gov.

Hawaii Contribution Rate

• You can find your rate on the Contribution Rate Notice mailed by the Hawaii Department of Labor and Industrial Relations.

• If you are unsure, contact the agency 808-586-8982 or visit https://labor.hawaii.gov.

Hawaii Employment and Training Assessment Rate

• You can find your rate on the Contribution Rate Notice mailed by the Hawaii Department of Labor and Industrial Relations.

• If you are unsure, contact the agency 808-586-8982 or visit https://labor.hawaii.gov.

Authorizing Square Payroll as your Unemployment Insurance (UI) Service Company

In order to file and pay your Hawaii unemployment insurance taxes, Square Payroll needs to be authorized as your service company.

Please look out for an authorization request from Square Payroll and then follow the instructions below:

1. Log in to your HI UI Tax Account and go to the User Management page.

2. Next to Square Payroll, click Approve and the button will turn to Edit.

3. Click Edit and under the Rights section, click Select All.

4. Click Save User. Square will now be approved as your Service Company.

Please note that you will need to grant us each of the rights in order for the authorization to be complete.

Hawaii Payroll Tax Details

Square Payroll processes the following per the frequency below to the listed state agencies: