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Calculate e-Commerce Sales Tax with Avalara

Unify integrates with your accounting and Avalara Avatax to automatically calculate, validate, and track your e-commerce sales tax. No more guesswork.

Great news—Unify provides critical sales tax automation to thousands of e-commerce businesses like yours every day. Through our integration with Avalara Avatax, we ensure our customers are always tax compliant by calculating, validating, and tracking the required state sales tax across all e-commerce sales channels. Combine that service with our QuickBooks integrations, and you can sleep like a baby knowing the complexities of accounting and tax law are in the hands of the professionals.

Tax Validation and Filing

Tax Validation and Filing - Enterprise Edition

Don’t worry, be happy

  • Integrate Unify with your Avalara account know what you’ve charged in local sales tax and validate that amount instantly
  • Save time inputting sales data into your accounting and automatically calculating sales tax
  • Save money on redundant outsourced bookkeeping and accounting and ensure your taxes are paid to the correct local tax-collecting agency
  • Scale your AvaTax coverage and reports according to your business needs
  • Calculate and confirm that your stores, marketplaces, and shopping carts are consistently charging appropriate amounts in sales tax
  • Record any tax discrepancies in your QuickBooks accounting so everything is documented


HitRECord-Webgility customer review
Unify helped us get our Shopify and QuickBooks Online in sync quickly during a critical period. It's a great solution!
—Wayne Robbins, HitRECord
Unify customer review
This nifty app is now saving me many hours of manual entry each month. Thanks to Unify, I get to spend more time in my studio.
—LothLorien Stewart, Mostly Sweet Jewelry
Unify customer review
Unify is a great product. I am now able to spend more time focusing on growing my business than manually entering transactions from my sales channels.
—Chris K. Haley,
Unify customer review
Easy as pie to use and super intuitive for eBay users of all sizes. A+ all the way!
—Scott Rodas, Socky & Jamie
Unify customer review
For the past 10 months we have been using Unify with three stores—the time we save with our books is remarkable.
—Edward Pittman, The Kershaw Store
Unify customer review
I love using Unify to integrate our Shopify sales
with QuickBooks!
—Louisa Kimble, Torchlight Jewelry