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Column Tax

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On the record

Audit support
Yescolumntax.com · read 22 Sep 2026
Availability limit
Tax filing and taxpayer support are available only through an account with one of Column Tax’s partner organizations.columntax.com · read 12 Oct 2026
Company update
Column Tax announced that it had been acquired and was joining Aiwyn.columntax.com · read 12 Oct 2026
Data import
Partners can automatically import user data from their product to prefill tax filing information.columntax.com · read 12 Oct 2026
Data protection details
Its API documentation says data is encrypted in transit using HTTPS and SSL/TLS and at rest using AES-256, block-level encryption, and additional per-column encryption for sensitive fields.docs.columntax.com · read 12 Oct 2026
Expert Review
Expert Review gives customers access to tax experts who review returns and provide notes and suggestions.columntax.com · read 12 Oct 2026
Filing coverage
Its APIs support end-to-end federal and state tax filing for individuals.columntax.com · read 12 Oct 2026
Guarantees
The platform advertises maximum refund and accuracy guarantees, plus audit assistance for taxpayers using a Column product.columntax.com · read 12 Oct 2026
Integration
Column Tax offers APIs and a custom SDK to embed filing in a partner’s product without requiring users to download another app.columntax.com · read 12 Oct 2026
Investment income
Yescolumntax.com · read 22 Sep 2026
Mobile access
web_and_mobilecolumntax.com · read 22 Sep 2026
Product
Column Tax provides white-label tax filing embedded in financial apps and websites.columntax.com · read 12 Oct 2026
Security
Column Tax states that it is SOC 2 certified, uses bank-grade encryption, and complies with IRS requirements.columntax.com · read 12 Oct 2026
Self-employment support
Yescolumntax.com · read 22 Sep 2026
State filing
includedcolumntax.com · read 22 Sep 2026
Support
Column Tax’s tax support specialists can handle tax-related inquiries and integrate with a partner’s brand, support processes, or existing support platform.columntax.com · read 12 Oct 2026
Target customers
The company describes its product as suited to banks, brokerages, independent-worker platforms, and budgeting tools.columntax.com · read 12 Oct 2026
Tax engine
Its tax engine calculates federal and state income taxes across income, credits, deductions, and adjustments, and connects directly with the IRS and state filing agencies.columntax.com · read 12 Oct 2026

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