18+ curated business tax software

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The most comprehensive directory of business tax software. Compare top tools with honest reviews, pricing, and real-world use cases.

18+

Tools

How to Choose the Right Business Tax Software in 2026

Business tax software helps companies file accurate tax returns, automate sales tax compliance, plan tax strategies, and stay current with constantly changing tax regulations. The cost of getting business taxes wrong — penalties, interest, audit risk, and overpayment — far exceeds the cost of proper software and professional guidance. The market divides into several distinct segments: DIY business filing software (TurboTax Business, TaxAct) for small businesses filing their own returns, sales tax automation platforms (Avalara, TaxJar) for e-commerce sellers managing multi-state compliance, professional tax preparation software (Drake, Lacerte) for accounting firms, and enterprise tax engines (Vertex, Sovos) for large corporations with global tax obligations. The right choice depends on whether you're filing your own taxes, running an accounting practice, or managing tax compliance for a large organization. Sales tax has become especially complex since the 2018 South Dakota v. Wayfair Supreme Court decision, which allowed states to require sales tax collection from remote sellers based on economic nexus thresholds. Any e-commerce business selling across state lines now faces compliance obligations in up to 46 states, making automated sales tax tools practically essential.

What to Look For

✓Entity type support — verify the software handles your specific business structure (S-corp, C-corp, partnership, LLC, sole proprietorship), as not all tools support all entity types or generate all required forms.
✓Multi-state compliance — if you operate or sell in multiple states, ensure the tool handles state-specific filing requirements, nexus tracking, and apportionment calculations.
✓Integration with your accounting software — seamless data flow from QuickBooks, Xero, or your ERP into your tax software eliminates manual data entry and reduces errors during filing.
✓Sales tax automation scope — for e-commerce, evaluate real-time tax calculation at checkout, exemption certificate management, return filing automation, and the number of jurisdictions covered.
✓Professional vs. DIY — if your business has complex transactions, multiple entities, or high audit risk, investing in professional tax preparation may save more than DIY software costs, even at higher price points.

Frequently Asked Questions

Should I use software or hire a CPA for my business taxes?+

Simple single-entity businesses (sole proprietors, basic LLCs) can often file successfully with DIY software like TurboTax Business. Multi-entity businesses, those with complex transactions, international operations, or significant assets typically benefit from a CPA who provides both filing accuracy and strategic tax planning that software alone cannot offer.

Do I need sales tax software if I sell online?+

If you sell to customers in multiple states, almost certainly yes. Post-Wayfair, most states require sales tax collection once you exceed their economic nexus thresholds (typically $100,000 in sales or 200 transactions). Manually tracking rates and filing returns across dozens of jurisdictions is impractical without automation.

What is the difference between sales tax software and income tax software?+

Sales tax software (Avalara, TaxJar) handles the ongoing calculation, collection, and remittance of sales and use tax on transactions throughout the year. Income tax software (TurboTax Business, Drake) handles the annual preparation and filing of business income tax returns. Most businesses that collect sales tax need both types of tools.

Quick Comparison

Featured tools at a glance

Tool	Category	Pricing	Best For
TurboTax Business	🗂️Business Tax Filing	Paid	The most popular DIY business tax filing software in America
Avalara	🛒Sales Tax Automation	Paid	Automated sales tax calculation, compliance, and filing at scale
H&R Block Business	🗂️Business Tax Filing	Paid	Tax preparation with expert support for small business owners
TaxJar	🛒Sales Tax Automation	Paid	Sales tax automation purpose-built for e-commerce sellers