Thomson Reuters UltraTax CS vs Intuit Lacerte
An honest, context-aware comparison. No affiliate links. No paid placements. Just the data that helps you decide.
Thomson Reuters UltraTax CS
Professional tax preparation software for accounting firms (1040, 1120, 1065, 1041)
Intuit Lacerte
Advanced tax software for complex returns and high-volume firms
Side-by-Side Comparison
Objective metrics, no spin.
For tax return preparation in public accounting firms. Essential for firms with >50 business returns annually.
For tax provision work (use OneSource), tax planning (use different tools), or if you're a sole proprietor (use ProSeries or Lacerte).
For complex returns (multi-state, partnerships with many partners, high-net-worth individuals) or high-volume firms.
For simple returns or small practices (ProSeries is more cost-effective). Steeper learning curve.
Both suited for: medium, large companies
Since both tools target medium and large companies, your decision should hinge on the specific use case above rather than company fit. Try the AI Advisor to get a recommendation tailored to your exact stack.
Still not sure? Describe your situation.
The AI advisor knows both tools and your full stack. Tell it your company size, current tools, and what's not working — it'll tell you which one actually fits.
Other Tax Compliance Tools to Consider
If neither is the right fit, these are the next best alternatives in the same category.