All-In-One Tax
Credit Optimizer

Our first-of-its-kind software platform analyzes R&D-related transactions and prepares tax forms for you.

If we don’t find R&D credits, you pay $0.

Intelligent Automation

Ardius’ type A technology uses AI-powered automation to process countless transactions with the precision of a top accountant.

Machine Learning

Our machine learning algorithms uncover your maximum credit for this tax year and power automatic lookbacks.

Intuitive Dashboard

See the status of your credits, access documents and reports, and manage users all in one place.

Direct Integrations

We play nicely with your payroll and accounting platforms, and have direct API integrations with Gusto and QuickBooks.

Qualitative Reports

Access auto-generated reports, vetted by experts, to substantiate and defend your R&D credits.

User Management

Add your accountant and other roles to easily track credits and filings.

Bank-Level Encryption

Our platform’s 256-bit encryption protects your data, always.

"As a tech company, a large part of our budget goes to R&D. A small investment of time with the phenomenal team at Ardius led to huge savings. I'd highly recommend them to anyone who asks."

Joaquín Roca,


Other Features & Benefits

IRS 4-Part Test Compliance

Ardius identifies eligible R&D activities according to the IRS’ qualifying test.

State Credits

Maximize your federal and state credits (for 35 states that offer R&D credits).

Audit Readiness

Enjoy peace of mind with Big 4 veteran support in the rare case of an audit.

R&D Credit Tracker

Throughout the year, see your total credits claimed, utilized, and remaining.

Tax Filing Assistance

Get a final R&D expert review, plus support for your accountant through filing.

Retroactive Credits

Collect credits from past tax filings (up to 3 years back for profitable companies).


Take our tax credit optimizer for a test drive.

Intuitive Dashboard

Past Credit Capturing

IRS 4-Part Test Compliance