19 Beste Unternehmenssteuer-Software Im Test 2026

Avalara is a tax compliance software designed for businesses of all sizes, focusing on automating sales tax calculations and filings. It serves ecommerce businesses, retailers, and large enterprises, simplifying tax compliance and reducing manual errors.

Why I picked Avalara: Avalara specializes in sales tax automation, providing features like real-time tax rate calculations and automated filings. The software helps your team stay compliant with ever-changing tax laws across multiple jurisdictions, while its cloud-based platform allows easy access to tax data, enhancing your team's efficiency. Additionally, Avalara offers a certificate management tool to handle exemption certificates efficiently.

Standout features & integrations:

Features include automated filing features that help your team meet compliance deadlines effortlessly. The certificate management tool also simplifies handling exemption certificates, reducing the risk of errors.

Integrations include Shopify, Magento, WooCommerce, QuickBooks, NetSuite, Microsoft Dynamics, Sage, Xero, and Salesforce.

H&R Block offers tax software designed for individuals and business owners, providing solutions for tax preparation and filing. It helps users manage their tax obligations efficiently with features customized to growing companies.

Why I picked H&R Block: H&R Block is ideal for scaling businesses, offering features like guided tax preparation and step-by-step instructions that simplify the filing process. The software provides access to tax experts for advice, which is a valuable resource for growing organizations. Additionally, its affordability and ease of use make it accessible for those without extensive tax knowledge. Along with these features, H&R Block also includes a maximum tax refund guarantee, ensuring your team gets the most out of their tax returns and tax credits by the due date.

Standout features & integrations:

Features include a guided tax preparation process, ensuring you understand each step. The software offers a maximum refund guarantee, giving you peace of mind. It also provides access to tax experts for personalized advice when you need it.

Integrations include QuickBooks, Xero, Microsoft Excel, and TurboTax.

CSC Corptax is a corporate tax solution aimed at large corporations and accounting firms. It focuses on tax compliance and reporting, automating complex tax processes to improve efficiency.

Why I picked CSC Corptax: CSC Corptax stands out for its compliance automation, reducing manual effort and increasing accuracy in tax reporting. The software offers centralized data management, allowing your team to access and share information easily. Its customizable workflow tools help processes. Additionally, its real-time data analytics provide insights that can enhance your tax year planning strategies.

Standout features & integrations:

Features include centralized data management, which simplifies access and sharing within your team. Its customizable workflow tools also let you customize processes to match specific requirements.

Integrations include SAP, Oracle, Microsoft Dynamics, and BlackLine.

Wolter Kluwer is a corporate income tax software designed for accounting professionals and corporate tax departments. It focuses on business tax preparation and compliance, offering tools to simplify and manage complex tax scenarios.

Why I picked Wolter Kluwer: Wolter Kluwer is ideal for corporate tax preparation, providing features like automatic calculations and error-checking. The software helps your team stay compliant with the latest tax regulations. Its customizable forms and templates also cater to specific corporate needs, while its advanced reporting tools help you track and analyze business return data effectively.

Standout features & integrations:

Features include strong multi-entity support, making it easier to manage tax filings across multiple corporations from one platform. The software’s built-in audit trails also help you track changes and ensure transparency during reviews. 

Integrations include Microsoft Excel, QuickBooks, SAP, Microsoft Dynamics, Sage, NetSuite, Xero, BlackLine, and CaseWare.

TaxJar is a sales tax automation software designed for ecommerce businesses, helping them manage sales tax calculations and filings across multiple states. It simplifies the complexities of sales tax compliance, making it easier for online sellers to focus on their businesses.

Why I picked TaxJar: TaxJar is made for ecommerce businesses, offering features like automated sales tax calculations and filing across multiple states. The software provides real-time data on sales tax rates, ensuring your team stays compliant with the latest regulations. Its AutoFile service also automatically submits returns, saving you time and reducing errors.

Standout features & integrations:

Features include a detailed dashboard that breaks down tax collected by jurisdiction on income and business expenses, helping you stay audit-ready. Plus, you can set up alerts for nexus changes, so you’re never caught off guard by shifting tax obligations.

Integrations include Shopify, Amazon, WooCommerce, BigCommerce, Magento, PayPal, Square, Stripe, Etsy, and Walmart.

ONESOURCE is a cloud-based tax software for corporate tax professionals and accounting firms. It supports tax planning, compliance, and financial reporting, making it ideal for multinational corporations managing complex tax requirements.

Why I picked ONESOURCE: ONESOURCE is designed for multinational corporations, providing automation for both indirect and direct tax compliance. It includes global trade management tools and statutory reporting, which are vital for businesses operating across borders. Plus, the software’s integration with over 200 technology partners enhances adaptability to changing tax regulations in the last year, saving your team time and reducing compliance risks.

Standout features & integrations:

Features include automation for tax compliance, global trade management, and statutory reporting to help your team manage complex tax challenges efficiently. The software also provides reliable data for informed decision-making.

Integrations include SAP, Oracle, and Microsoft Dynamics.

DT Max T2 is a corporate tax software designed for tax professionals handling complex tax returns. It serves accounting firms and corporate tax departments, offering tools for tax compliance and data management.

Why I picked DT Max T2: DT Max T2 succeeds in integrated data management, providing features like automatic updates and data synchronization across different tax modules. This makes sure your team has access to the latest tax data without manual intervention. Additionally, the software’s batch processing capabilities allow you to handle multiple returns efficiently, while its customizable reporting tools help you maximize reports.

Standout features & integrations:

Features include strong diagnostics tools that flag inconsistencies or missing information before filing, helping reduce costly errors. The software also supports advanced carryforward capabilities, making it easier to transition client data from prior years. 

Integrations include Microsoft Excel, QuickBooks, TaxCycle, and CaseWare.

Intuit ProConnect Tax is an online tax preparation software designed for tax professionals and accounting firms. It provides advanced tools for managing tax returns, offering support for multiple tax forms and e-filing.

Why I picked Intuit ProConnect Tax: Intuit ProConnect Tax caters specifically to tax professionals, offering features like client collaboration tools and real-time updates. Its cloud-based platform ensures that your team can access tax data anytime, anywhere. The software also supports a wide range of tax forms, making it versatile for various client needs. 

Standout features & integrations:

Features include built-in diagnostics to catch errors before filing, helping reduce rework and missed items. It also offers smart import capabilities that let you pull in data from scanned documents and financial platforms, saving time on manual entry.

Integrations include QuickBooks, Xero, Microsoft Excel, and Docusign.

Sovos is a tax compliance software solution designed for businesses handling complex VAT requirements. It serves multinational corporations and enterprises, ensuring compliance across various jurisdictions with its comprehensive VAT solutions.

Why I picked Sovos: Sovos is made for VAT compliance, offering features like automated VAT reporting and real-time transaction monitoring. It helps your team manage cross-border transactions efficiently, minimizing compliance risks. The software’s cloud-based platform also ensures that your team can access VAT data from anywhere. Additionally, Sovos provides detailed audit trails to support regulatory requirements.

Standout features & integrations:

Features include built-in tax determination, configurable rules for jurisdiction-specific VAT, and support for electronic invoicing (e-invoicing) compliance in over 70 countries. Its real-time transaction monitoring also helps you keep track of cross-border transactions.

Integrations include SAP, Microsoft Dynamics, NetSuite, Salesforce, QuickBooks, Xero, Sage, Infor, and Workday.

Intuit ProFile Tax is an advanced tax software designed primarily for Canadian tax professionals. It caters to accountants and tax preparers, providing tools for T1, T2, and T3 tax forms along with corporate tax preparation.

Why I picked Intuit ProFile Tax: Intuit ProFile Tax excels in handling Canadian tax requirements, offering functionalities like CRA e-filing and a built-in auditor for error checking, which aligns with its USP for Canadian tax filings. The software includes variance analysis tools and real-time status updates, ensuring your team is ready throughout the tax preparation process. It also integrates with QuickBooks Online, making it a practical choice for those already using Intuit’s ecosystem. 

Standout features & integrations:

Features include a built-in Active Auditor that flags errors, variance analysis tools for focused data monitoring, and customizable settings for efficient review processes. You can also attach client documents and create professional correspondence directly from tax returns.

Integrations include QuickBooks Desktop and QuickBooks Online Accountant.