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When you switch to Intuit professional tax.*
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#1 online professional tax software*

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Books, returns, and advisory—
all in one place.

The only tax software built into Intuit Accountant Suite*

The only tax software built into
Intuit Accountant Suite*

  • The only cloud-based tax software with tax planning and advisory insights built right in*
  • NEW Intuit Sign: Send unlimited digital signatures and KBAs to all tax clients
  • NEW SmartReturn: Automatically create low- to medium-complexity 1040 returns using imported data
  • Direct access to clients’ IRS transcripts right within ProConnect
  • Best-in-class cloud tax software for professionals
  • Easily distribute and import K-1 packages through a secure download link
Explore ProConnect

Learn more about Intuit Accountant Suite.

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Optimized for complex returns, and includes tax advisory insights to help achieve your clients’ best financial outcomes

  • Enterprise-level security, anytime, anywhere access*
  • NEWIntuit Sign: Send unlimited digital signatures and KBAs to all tax clients
  • Ensure accuracy with 25,000+ error and informational diagnostics
  • Comprehensive coverage with more than 7,200 forms
  • Send secure email links to all partners at once with automated K-1 delivery
Explore Lacerte
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Professional tax software for efficient returns

  • Precise forms-based data input
  • Anytime, anywhere access*
  • NEWIntuit Sign: Send unlimited digital signatures and KBAs to all tax clients
  • Quickly import K-1, Schedule D, fixed assets, trial balance, and more
  • Create digital client organizers and gather tax documents through a secure online portal
Explore ProSeries

Our software is trusted by tax pros like you

Intuit Accountants earned a total of 13 G2 spring 2026 awards*

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Find the right solution for your firm’s current needs and growth goals.

Key features

ProConnect Tax

Lacerte Tax

ProSeries Tax

Intuit Tax Advisor

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Intuit Sign

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Most common forms, including: 1040, 1041, 1120, 1120-S, 1065

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Additional filings: 990, 706, 709, 5500

990, 709

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990, 706, 709

Application environment

Cloud-based

Desktop with hosting available*

Desktop with hosting available*

Data entry method

Input-based

Input-based

Forms-based

Discover the perfect integrated solutions for your firm.

Common questions about Intuit Accountants professional tax software

ProConnect Tax is an online professional tax solution that automates the tax prep process, integrates with Intuit Accountant Suite, and generates advisory insights. Lacerte Tax is a desktop solution, with hosting available, designed to support complex returns and offer advisory insights. ProSeries Tax is a desktop solution, with hosting available, that uses a forms-based preparation experience.

ProConnect Tax is available online with nothing to download. Hosting options are available separately for Lacerte Tax and ProSeries Tax.

Each product offers pay-per-return pricing options as well as unlimited pricing options, so you can choose the option that is most economical for you. See the ProConnect, Lacerte, and ProSeries pricing pages for more information about the options available for each product.

ProConnect Tax is the professional tax product that integrates with Intuit Accountant Suite. This integration isn't currently available for Lacerte Tax or ProSeries Tax.

Intuit Accountants offers data conversion services for ProConnect Tax, Lacerte Tax, and ProSeries Tax. Review the conversion details for your product and previous software to understand what's supported.

Pricing and purchasing options vary by product. Review current ProConnect Tax, Lacerte Tax, and ProSeries Tax pricing to compare the options available for your firm.

Need help deciding which Intuit professional tax software is right for your firm? We can help.

Call 833-630-7557 and we’ll help you find your perfect professional tax software.

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