New Company Registration for Colorado

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 Colorado 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 Colorado directly. 

• After you’ve registered and entered your tax ID into Homebase, don’t forget to grant TPA to our tax partners at Check. 

  • Check’s TPA ID for CO Unemployment Tax is: 500003641

  • Check’s TPA FEIN for CO FAMLI Tax is: 834490700

• 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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Colorado Withholding Tax

Tax Agency: Colorado Department of Revenue

Employers withholding Colorado state income are required to register with the Colorado Department of Revenue as a withholding tax agent.

Applying for a Colorado Withholding Tax Number

Note: Upon receipt of the application, the Colorado Department of Revenue will open a withholding tax account and assign a 8-digit account number. There is no fee for the account and there is no renewal requirement for a withholding tax account.

Tax Classification	Business Location	How to Register
W2	Within the State of Colorado	Through MyBizColorado website. Complete Form CR 0100AP, Colorado Sales Tax and Withholding Account Application (sections A, B, D, E, F and G).
W2	Outside the State of Colorado	Complete Form CR 0100AP, Colorado Sales Tax and Withholding Account Application (sections A, B, D, E, F and G).
1099	N/A	Complete Form CR 0100AP, Colorado Sales Tax and Withholding Account Application and indicate in Box D that a 1099 account is needed. Allow 4 - 6 weeks for processing.

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Colorado State Unemployment Tax (SUI)

Tax Agency: Colorado Department of Labor and Employment (CDLE)

Applying for a Colorado SUI Tax Number

Method	How to Register
Paper	Complete paper application, Colorado Form UITL-100, Application Form Unemployment Insurance Account and Determination of Employer Liability.
Online	Register using the CDLE online application, MyBizColorado.

Granting Third Party Administrator Access (TPA)

1. Log in to MyUIEmployer+
2. Click, Account Maintenance >Third Party Administrator (TPA) Authorization in the left-hand navigation bar.
3. Click, New located at the bottom of the page
4. Enter TPA ID: 500003641, in the Assign Third Party Administrator field
5. Click, Next
6. Enter TPA start date.
   1. Note: This date must be the first day of the calendar quarter in which Check will be responsible for wage reporting
      1. i.e. Q1: 01/01/YYYY, Q2: 04/01/YYYY, Q3: 07/01/YYYY, Q4: 12/01/YYYY
      2. TPA services end date is not required
7. Assign Roles:
   1. View Account Maintenance
   2. Submit Employment and Wage Detail
   3. View Rate Notice and Voluntary Contribution
   4. Edit Tax Payments Update and Submit.
8. Click, Save

Note: For step-by-step instructions, please visit the Employer resources on how to Assign TPA in MyUIEmployer+

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Colorado Family and Medical Leave Insurance Program (FAMLI) 

Family and Medical Leave Insurance program, part of the Colorado Department of Labor and Employment (CDLE), administers the state’s paid leave program. The agency’s website is: https://famli.colorado.gov/.

Apply for Colorado FAMLI Tax Number

1. From the My FAMLI+ Employer webpage, select log into My FAMLI+ Employer.
2. Under Sign In, select Create an Account.
   1. This will direct you to a secure login.gov site where you will enter your email address you wish to use for this account.
3. Go to your email and confirm your email address and you will then be directed to set up a password and authentication method.
4. Complete registration.

Note: For additional assistance, a How to Register video is available on their website.

Third-party Administrator (TPA) access 

• Log into My FAMLI+ Employer Portal

• Navigate to: Manage My Accounts > Manage Accounts

• Scroll to Third-Party Administrator section

• Search for and select “Check Technologies, Inc.”

  • TPA FEIN: 834490700

• Enter start date (first day of quarter) and confirm

Note: For step by step instructions, see the Employer User guide located under User Guides and Additional Resources.

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Colorado Occupational Privilege Taxes (OPT)

Type of OPT	Details	How to Register
Aurora, Colorado OPT	The Aurora OPT is administered by the City’s Tax and Licensing Division. To obtain an account number, an employer is required to register with the Aurora Tax and Licensing Division for a business license. There is a $17 application fee.	Online. An employer can submit an application online through the Aurora Tax Portal.
Denver, Colorado OPT	The Denver OPT is administered by the City’s Department of Finance, Treasury Division. To obtain an account number, an employer is required to register with the City of Denver. An employer can register electronically or by mail.	Online. An employer can register online through Denver eBiz Tax Center. Paper. Or, an employer can register by completing and mailing in the Denver Application for Denver Sales, Use, Lodger’s Tax License and/or Occupational Tax Registration.
Glendale, Colorado OPT	The Glendale OPT is administered by the City’s Tax Department. There is a $10 business registration fee (required by all). To obtain a tax account number, an employer is required to register with Glendale. An employer can register electronically or by mail.	Online. An employer can register online through the Glendale Online Licensing & Tax System. Or, Paper. An employer can complete and mail the Glendale Business Registration and Sales Tax Application (PDF).
Greenwood, Colorado OPT	The Greenwood OPT is administered by the City’s Tax Department.  To obtain an account number, an employer is required to complete the online license application. The Village imposes a $10 one-time application fee.	Employers can complete and mail the Greenwood Tax License Application.
Sheridan, Colorado OPT	The Sheridan OPT is administered by the City’s Finance Department.	To obtain an account number, an employer is required to register online through MUNIRevs, the City’s online business licensing and tax collection system. MuniRevs Tutorial (PDF)

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Paid Family and Medical Leave Program

1. Log in to your account by visiting the My FAMLI+ Employer Portal web page.
2. Under Manage My Accounts, select Manage Accounts.
3. From the Accounts page, select your FAMLI employer account.
4. Scroll down to the section titled, Third Party Administrator.
5. Click Add.
6. Under Select Account, you will search for and select Check Technologies, Inc.
7. Enter the start date (This should be the first day of the quarter which you are enrolling).
8. Save and select, Yes, add TPA.