Taxcalibur

Taxcalibur

ASL LLC
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+

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About

Taxcalibur is a Windows desktop tax-preparation and practice-management app for small tax practices. It organizes client records, returns, documents, checklists, reminders, contact notes, invoices and receipts, with encrypted client data stored on the user's device. For return preparation, it removes personal details before AI document reading, calculates federal Form 1040 and Colorado DR 0104 returns, fills official forms, and presents calculations for preparer review. Users can import PDFs, Word files and phone photos, track return stages, identify missing documents, send follow-up emails, and print forms and client summaries. Completed packages are handed off to Drake Tax for filing; Taxcalibur does not file returns. AI reading uses the preparer's own Claude account or connected assistant, and AI usage and Drake Tax are separate. The app supports 14 interface languages, while official IRS forms remain in English.

About

UltimateTax is a professional tax preparation software platform used by tens of thousands of tax preparers annually that centralizes robust tools for preparing, reviewing, and electronically filing U.S. federal and state tax returns while helping practices manage client data, compliance, and office workflows with reliability and support for both cloud and desktop environments. It provides interview-style data entry that guides preparers through client interviews, smart diagnostics to catch potential errors before e-filing, automatic prior-year data carry-forward, form-linking for efficient navigation, and support for all 50 states and a wide range of return types, including individual 1040, corporate, fiduciary, partnership, and other miscellaneous forms. UltimateTax offers multiple product tiers, including Online 1040, Desktop 1040, Pay-Per-Return, and combined 1040 + Corporate packages, so firms of different sizes can choose the workflow that fits them.

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Small tax preparation practices that file with Drake Tax

Audience

Professional tax preparers, accounting practices, and tax offices that need robust tax preparation software to handle individual and business tax returns, diagnostics, e-filing, and data management

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$99.99 one-time
Taxcalibur is a $99.99 one-time purchase; a free trial is available. AI-provider account or usage costs and Drake Tax are separate.
Free Version Not Supported
Free Trial Supported

Pricing

$388 per year
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

ASL LLC
Founded: 2017
United States
autosecurelogin.com/products/taxcalibur.html

Company Information

UltimateTax
Founded: 2006
United States
ultimatetax.com

Alternatives

Drake Tax

Drake Tax

Drake Software
4.5 out of 5 stars

Alternatives

SIGMA 1040-TW

SIGMA 1040-TW

Sigma Tax Pro
UltraTax CS

UltraTax CS

Thomson Reuters
ATX

ATX

Wolters Kluwer
1.0 out of 5 stars
ATX

ATX

Wolters Kluwer
1.0 out of 5 stars
Taxcalibur

Taxcalibur

ASL LLC
SIGMA 1040-TW

SIGMA 1040-TW

Sigma Tax Pro

Categories

Tax Preparation Supported

Categories

Tax Preparation Supported

Integrations

Drake Tax Supported
ATX Not Supported
CrossLink Not Supported
Intuit ProSeries Tax Not Supported
TaxAct Not Supported
TaxSlayer Not Supported
TaxWise Not Supported

Integrations

Drake Tax Supported
ATX Supported
CrossLink Supported
Intuit ProSeries Tax Supported
TaxAct Supported
TaxSlayer Supported
TaxWise Supported
Claim Taxcalibur and update features and information
Claim Taxcalibur and update features and information
Claim UltimateTax and update features and information
Claim UltimateTax and update features and information