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Head-to-head · Tax Software

Lacerte Tax vs ONESOURCE Income Tax

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Lacerte Tax #2 in Tax Software 9.2/10 Paid ✓ 0 of 2 features Visit Lacerte Tax
ONESOURCE Income Tax #6 in Tax Software 8.7/10 Pricing on request ✓ 1 of 2 features Visit site

Lacerte Tax leads on 0 checks, ONESOURCE Income Tax 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 scoreLacerte Tax · 9.2/10
  • Most featuresONESOURCE Income Tax · 1 of 2

Lacerte Tax scores higher on our rubric for tax software: 9.2 against 8.7 out of 10; our editors rank them #2 and #6.

Lacerte Tax is the better fit for firms handling complex individual and business returns. ONESOURCE Income Tax is the better fit for mid-market and enterprise corporate tax teams.

  • Lacerte Tax fits best

    Firms handling complex individual and business returns

  • ONESOURCE Income Tax fits best

    Mid-market and enterprise corporate tax teams

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Side by side

Feature Lacerte Tax 9.2/10 Visit ↗ ONESOURCE Income Tax 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #2 in Tax Software #6 in Tax Software
Best for Firms handling complex individual and business returns Mid-market and enterprise corporate tax teams
Pricing model Paid Paid
Starting price — Pricing on request
Free plan — Not checked yet
Free trial — —
Deployment Desktop, Cloud Cloud
Platforms Windows Web
Support Phone, Email, Docs Phone, Docs · 24/7
Integrations 8 integrations 6 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Lacerte Tax 0/2 · ONESOURCE Income Tax 1/2
Electronic filing Not checked yet ✓ (best)
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
  • Covers individual, business, fiduciary, estate, gift, nonprofit, and benefit-plan returns
  • Includes 25,000+ diagnostics and 7,200+ tax forms
  • Supports imports, e-filing, amended returns, and client document collection
  • 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
Cons
  • Windows desktop software; hosted remote access is a separate option
  • The annual pay-per-return license is $813 before per-return charges
  • Single-user access on the pay-per-return annual license
  • 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
Our verdict

Lacerte Tax is professional tax preparation software for accounting firms handling complex individual and business returns. Its coverage extends to fiduciary, estate, gift, nonprofit, and benefit-plan filings, with federal and state…

Read the review →

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 →
  1. Lacerte TaxTax Software 9.2Paid
  2. ONESOURCE Income TaxTax Software 8.7Pricing on request

Strengths and trade-offs

  • Lacerte Tax — where it wins

    • Covers individual, business, fiduciary, estate, gift, nonprofit, and benefit-plan returns
    • Includes 25,000+ diagnostics and 7,200+ tax forms
    • Supports imports, e-filing, amended returns, and client document collection

    Where it doesn't

    • Windows desktop software; hosted remote access is a separate option
    • The annual pay-per-return license is $813 before per-return charges
    • Single-user access on the pay-per-return annual license

  • 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
  • Lacerte Tax9.2/10 · Paid

    Broad return coverage and pay-per-return pricing, built for Windows-based tax practices.

    Visit Lacerte TaxFull verdict →
  • ONESOURCE Income Tax8.7/10 · Pricing on request

    Corporate return preparation with broad jurisdiction coverage and tax-provision connections.

    Visit siteFull verdict →

More comparisons

All tax software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update