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Integrate with Ardius

Ardius is an online service that makes it easy for companies to discover and claim tax credits each year.

Gusto integrates with Ardius to streamline company qualification for their eligible R&D tax credits by syncing employee wage data to Ardius.

Customers who join Gusto from Ardius will receive Gusto free for their first 3 months. 

Set up the Ardius < > Gusto integration

Step one: Connect your company to the Ardius software

  1. Sign in to Ardius
  2. Click Integrations in the left-hand menu. 
  3. Click Connect to Gusto on the Gusto integration card. 
  4. Enter your Gusto credentials and click Sign In.
  5. Click Authorize.
    • You’ll be redirected back to Ardius where you can choose the Gusto company you would like to sync to Ardius.
  6. Select the Gusto company you’d like to sync and click Save.
    • The “Import Gusto Data” button should now be enabled as confirmation that your connection to Gusto was completed successfully. 

Step two: Make sure you have an accountant firm connected to your Gusto account.

An accountant firm is required on your account in order to set you up to claim the R&D tax credit (delivered by Ardius) in Gusto.

  • If you already have an accountant firm connected: proceed to syncing employee wages. Once the R&D study is complete, provide the report to your accountant so they can set you up to claim the credit in Gusto.
  • If you do not have an accountant firm connected: Reach out to your current accountant to have them add you as a client, or, contact  Ardius' support team so they can add you as a client to their firm–if needed, they too can set you up to claim the credit in Gusto.

Sync employee wages to Ardius

Ardius relies on several data points to qualify your employees wages for R&D credit. To ensure reliable qualification, we recommend that:

  • Each employee has an accurate primary job title associated with their employee record. 
  • All payrolls are completed for the tax year(s) synced.
    • If employee information for a prior tax year is changed, a new sync may be necessary.

Once you’ve completed the setup of the integration in full:

  1. In Ardius, go to the Integrations section.
  2. Click Import Gusto Data to import wage data into Ardius–this is a manual sync of information. Here’s what to expect:
    • The user who initiated the import will receive an email confirming the import has begun.
    • The import should be completed in under 5 minutes and the same user will receive an email once it’s finished.
    • For each tax period in Ardius, the Wages section will be updated with an aggregation of all payroll history from Gusto.
      • Keep in mind: any pre-tax deductions are subtracted from gross pay when calculating the total Wage in compliance with IRS rules.

Ardius will use this data to begin qualifying your employees wages for R&D credits. Please allow up to 4 weeks for Ardius to complete the R&D study.

Important: If another sync is initiated, the previous import will be overwritten entirely.

Claim the Federal R&D Tax Credit in real time

Once the accountant firm has set you up to claim the Federal R&D Tax Credit, you can claim the credit against your employer Social Security taxes in real time.

This means Gusto will not withhold/debit the "employer" portion of Social Security tax on your employee's payroll if real time is enabled.

You’ll be charged $100/month in any month in which you claim the R&D Tax Credit in real time.

  1. In Gusto, go to the Settings section.
  2. Click the Customization tab.
  3. Under Toppings, Click edit next to Real Time Federal R&D Tax Credit.
  4. Toggle to Enable.
  5. Click Save.

You will see the R&D Tax Credit savings on the next payroll you process.

Need help?

Contact Ardius at


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