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Corporate Tax Software with API (2026)

Last updated: February 2026

Key features of Corporate Tax Software

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

  • Tax Filing: Reviewers appreciate the ease, accuracy, and timeliness of filing tax forms, with strong security and user-friendly features. 100% of reviewers rated this feature as important or highly important.
  • Tax Forms: Users highlight the availability, accuracy, and ease of using various federal and state forms, with continuous updates. 100% of reviewers rated this feature as important or highly important.
  • Tax Calculation: Reviewers value the software's ability to ensure accurate and efficient tax calculations, reducing manual errors. 99% of reviewers rated this feature as important or highly important.
  • Electronic Filing: Users emphasize the convenience and speed of electronic filing, along with real-time updates and error notifications. 99% of reviewers rated this feature as important or highly important.
  • Corporate/Business: Reviewers find the software effective for corporate and business tax needs, supporting various return types and compliance. 93% of reviewers rated this feature as important or highly important.
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16 software options

Longview Tax logo

Longview Tax

Corporate tax management and reporting solution

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Longview Tax is a corporate tax management solution that provides businesses with tools for managing tax strategies, collecting data, provisioning, and reporting on taxes. The cloud-based platform also offers tools for tax planning and helps businesses create data-driven strategies.

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Avalara logo

Avalara

Automated tax compliance for global businesses

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Avalara offers automated tax compliance software that simplifies sales tax reporting and filing for businesses of all sizes. Its agentic AI handles tax calculations, returns preparation, and exemption certificate management across jurisdictions.

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Xero logo

Cloud-based accounting software for small businesses

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Xero is an award-winning online accounting software designed for small business owners and accountants, available on any computer or mobile device with an internet connection. Simplify business admin and get a range of financial insights to help you make better decisions for your business.

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Tax1099.com logo

Data protection solution through 256-bit encryption

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Tax1099 provides secure and reliable data protection through 256-bit encryption and automated error checking. Integrated with various accounting software options and an API available for integration with other software, Tax1099 offers flexibility and convenience for users.

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Taxprep logo

Tax preparation software

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TaxPrep is a cloud-based tax preparation software system for small businesses. It helps companies with data entry, diagnostics, audit reviews, quality assurance and more.

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hellotax logo

VAT management and digitization

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hellotax is a cloud-based VAT management software, which offers tools for both registering VAT numbers and automating VAT filings and returns. The all-in-one VAT management platform is designed specifically for online retailers within Europe and offers VAT registration for various EU countries.

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TaxCloud logo

Calculate, collect, and file your sales tax with ease.

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Calculate, collect, and file your sales tax with ease using TaxCloud. Ensure 100% accuracy across all 13,000+ US jurisdictions. Delegate tax reporting to us and save hours each month. Say goodbye to manual filing and let TaxCloud automate it for you.

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Capium logo

Accounting platform for payroll specialists & bookkeepers

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Capium is a tax-compliant cloud-based accounting solution with data entry and corporate tax filing capabilities for filing UK taxes. It is a fully integrated suite of core accounting services, including bookkeeping, payroll, accounts production, corporation tax, self-assessment, practice management, anti-money laundering, and more.

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TaxCalc logo

Tax practice management tool for accountants & tax advisors

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TaxCalc is a tax practice management solution designed to help accountants, tax advisors, and finance professionals manage clients, calculate tax returns, prepare financial statements, and more. It enables finance teams file clients’ tax returns, validate entries, and monitor due dates.

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neo.tax logo

R&D Tax Credit software for startups and accountants

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Neo.Tax has automated the R&D Tax Credit for startups. In 30 minutes, you can prepare your R&D claim on your own or with the support of our team and get up to $250k back from your eligible R&D expenses. Not profitable? No problem, apply the credit to your payroll taxes.

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BTCSoftware logo

Helping accountants succeed through software since 1999.

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BTCSoftware is perfect for accountants and finance professionals who need their software to easily handle their tax work and deadlines.

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Transaction Cloud logo
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Tax Compliance, Subscription, and Payment Platform

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Transaction Cloud is a platform for payments, sales tax / VAT /GST compliance (automated collection, filing), subscription management, recurring billing, and fraud protection for SaaS.

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Ask Blue J logo
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Generative AI platform for tax experts

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Ask Blue J is a generative AI platform tailored for tax professionals, offering a US tax content database powered by advanced large language models. The platform's capabilities extend to delivering verifiable tax answers, appending primary sources, and presenting comprehensive content, including cases.

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KoinX logo
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Cloud-based tax practice management tool for investors.

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KoinX is a cloud-based tax practice management solution, which helps small to large businesses calculate and handle crypto taxes. The platform provides various features such as portfolio management, reporting, data import/export, APIs, and investment tracking. It also facilitates third-party integration with various cryptocurrency applications such as Alpaca, BitForex, Coinbase, Fantom, and more.

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VATBox logo
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Blue dot VATBox automates VAT reclaim and compliance

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Blue Dot VATBox automates VAT compliance and reclaim by identifying and calculating eligible and qualified VAT spending along with countries' tax laws and regulations and company policy. VATBox enables businesses to reclaim VAT while ensuring full compliance with tax and financial authorities.

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Ask Blue J logo
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Generative AI platform for tax experts

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Ask Blue J is a generative AI platform tailored for tax professionals, offering a US tax content database powered by advanced large language models. The platform's capabilities extend to delivering verifiable tax answers, appending primary sources, and presenting comprehensive content, including cases.

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