Head-to-head · Tax Software
ONESOURCE Income Tax vs ATX
ONESOURCE Income Tax leads on 0 checks, ATX on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreONESOURCE Income Tax · 8.7/10
- Most featuresONESOURCE Income Tax · 1 of 2
ONESOURCE Income Tax scores higher on our rubric for tax software: 8.7 against 8.4 out of 10; our editors rank them #6 and #8.
ONESOURCE Income Tax is the better fit for mid-market and enterprise corporate tax teams. ATX is the better fit for small firms preparing diverse U.S. business returns.
- ONESOURCE Income Tax fits best
Mid-market and enterprise corporate tax teams
- ATX fits best
Small firms preparing diverse U.S. business returns
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Side by side
| Feature | ONESOURCE Income Tax 8.7/10 Visit ↗ | ATX 8.4/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.7 | 8.4 |
| Ranking | #6 in Tax Software | #8 in Tax Software |
| Best for | Mid-market and enterprise corporate tax teams | Small firms preparing diverse U.S. business returns |
| Pricing model | Paid | Paid |
| Starting price | Pricing on request | — |
| Free plan | Not checked yet | — |
| Free trial | — | — |
| Deployment | Cloud | Self-hosted, Desktop |
| Built for | Mid-market, Enterprise | Small business, Solo |
| Features ONESOURCE Income Tax 1/2 · ATX 0/2 | ||
| Electronic filing | ✓ (best) | Not checked yet |
| Client portal | Not checked yet | Not checked yet |
| Specs | ||
| Tax types | Not checked yet | Not checked yet |
| Return types | Not checked yet | Not checked yet |
| Jurisdictions | Not checked yet | Not checked yet |
| Platforms | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | ONESOURCE Income Tax is corporate tax software for teams preparing federal, state, local, and international returns. Its intended audience is mid-market and enterprise tax departments managing multistate or international compliance. The… Read the review → |
ATX is desktop, forms-based professional tax preparation software from Wolters Kluwer. It is designed for CPAs, individual tax preparers, and small firms preparing diverse U.S. filings. Coverage spans federal, state, and local returns for… Read the review → |
Strengths and trade-offs
ONESOURCE Income Tax — where it wins
- Prepares federal, state, local, and international corporate returns
- Tracks electronic filings and transfers federal data to state returns
- Links trial-balance records to audit traces and tax-provision workflows
Where it doesn't
- Pricing requires contacting sales
- Designed for corporate tax operations, not individual tax filing
- Cloud and API access may not suit teams seeking desktop-only software
ATX — where it wins
- Supports federal, state, and local individual and business returns
- More than 6,000 forms with e-filing diagnostics and inline help
- Includes tax research resources, electronic signatures, and payroll reporting
Where it doesn't
- ATX 1040 excludes state business returns
- Paid software has no free plan
- Desktop and self-hosted deployment may not suit cloud-first teams
- ONESOURCE Income Tax8.7/10 · Pricing on request
Corporate return preparation with broad jurisdiction coverage and tax-provision connections.
Visit siteFull verdict → - ATX8.4/10 · Paid
A broad, forms-based desktop suite for small firms handling varied U.S. returns.
Visit Wolters KluwerFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




