Tax Services

Hawaiʻi Tax Online

Hawaiʻi Tax Online is the convenient and secure way to get a State Tax Identification Number (BB-1), file tax returns, make payments, manage your accounts, and conduct other common transactions online with the Hawaiʻi Department of Taxation. See a full list of all available functions on the site.

Tax License Search

Search all tax licenses issued by the Hawaiʻi Department of Taxation.

Hawaiʻi Tax Forms

View all list of all printable tax forms and publications from the Hawaiʻi Department of Taxation.

Get a Federal Employee Identification Number

Apply online for an Employer Identification Number (EIN) with the IRS.

Federal Tax Information for Businesses

Helpful information from the IRS for large & small business and self employed individuals, information on tax credits, tools, resources, and more.