New Company Registration for Iowa

Disclaimer: This article is not intended to be tax, legal, financial, or HR advice. Rules and regulations change over time and can vary by location. Consult with a lawyer, accountant, Tax, or HR expert for specific guidance.

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Register for Taxes with Middesk

Homebase has partnered with Middesk to make Iowa tax registration easier for you. To get started, sign up here and check out this tutorial, or follow the steps below to register yourself with Iowa directly. 

• After registering with Middesk, don’t forget to grant TPA to our tax partners at Check through the Iowa Unemployment Tax portal. Refer to the TPA instructions below in this article for more information.

  • Check’s TPA ID for Iowa Unemployment tax is: R2579839

• Middesk will continue to support your ongoing compliance by processing and surfacing your state mail for your review

Once Middesk has registered for you, don’t forget to enter your state tax ID into Homebase in the Payroll Tax Settings page.

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Iowa Withholding Tax

Every employer who maintains an office or transacts business in Iowa, and who is required to withhold federal income tax on any compensation paid to employees for services performed in Iowa, is required to withhold Iowa income tax from that compensation.

Tax Agency: Iowa Department of Revenue

Registering for an Account with the Iowa Department of Revenue

Method	How to Register
Online	A business may register online at https://www.idr.iowa.gov/CBA/start.asp.
Paper	Complete and submit paper Form 78-005a, Iowa Business Tax Permit Registration

Obtaining an Iowa Business efile Number (BEN)

Employers must register with the Iowa Department of Revenue to obtain a Business efile Number (BEN). The 8-digit number is mailed to an employer after registering with the Iowa Department of Revenue.

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Iowa State Unemployment Insurance (SUI) Tax

Tax Agency: Iowa Workforce Development

Registering Online

To be assigned a SUI tax account number, an employer is required to register online through myIowaUI. Registration must be completed in its entirety in order for a SUI account number to be assigned.

Note: The employer can assign a third party specific roles (such as filing and depositing SUI tax) through myIowaUI. The employer signs into their myIowaUI account, selects "Assign Agent" on the left side of the account homepage. Or, the employer can complete, sign and return the Power of Attorney Form 68-0092.