Spend time on your business, not sales tax. Let TaxJar automate your sales tax calculations, reporting, and filings in minutes.

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Tax Jurisdictions Covered


Hours Saved Per Filing


Users Nationwide


Accuracy in Calculations

The TaxJar Advantage

A SaaS company at its core, TaxJar aims to provide the easiest-to-use solution for an issue that only seems to get more confusing over time. The team obsessively leverages technology and exceptional customer service to earn its reputation as a leading sales tax authority, and to take the weight of your shoulders.

Easily Connect to Everywhere You Sell

Save hours on reporting across multiple channels. TaxJar brings all of your sales channels and data into a single, easy-to-use interface.

Instantly Prepare State Return-Ready Reports

TaxJar’s sales tax API is fast and reliable, with a 99.99% uptime. Calculations are over 99% accurate, and the company offers an accuracy guarantee for all TaxJar API users.

Enroll in AutoFile

AutoFile ensures that you never miss a filing date. TaxJar will transform your data into sales tax filings just the way each state wants to see them, and automatically submit returns (along with remittance) on time.


Plant Therapy

TaxJar definitely saves us time and money...just filing sales tax returns and keeping up with all the due dates is a full-time job that takes a lot of time. With TaxJar, our team saves about a week per month for one employee, versus filing our taxes manually.

Senior Accountant


You Know You Need Zentail When...

You’re a Reseller Who... 

  • Has way too much money tied up in inventory
  • Hasn’t figured out how to win the buy box
  • Is always late to the trend because forecasting happens once a month
Discover More for Resellers

You’re a Brand Owner Who...

  • Spends too much time plugging in data  
  • Sleeps with one eye open in case there’s  issues with orders, listings—you name it
  • Thinks bigger than Amazon, and knows the risks of over-relying on it
Discover More for Brands

Is Newegg Marketplace for You?

U.S. Business Entity

You must have a legal business entity registered in the U.S. or overseas (no sole proprietorship).

Experienced Seller

You must demonstrate success on another channel with trending GMV and high seller ratings.

Product Requirements

UPS Digital Connections Program

Accelerate your digital growth with top-notch technology. Avoid hours of scrupulous research and earn monetary support so that you can afford the best solutions early on. No more temporary, half-baked solutions. Only work with the most trusted partners.

Access to Reputable Vendors

UPS Digital Connections is a program that helps SMBs grow by connecting them with industry-leading technology partners with discounted pricing on digital solutions. From packaging solutions to listing software like Zentail, gain access to products that are normally integrated by larger retailers.

No Lengthy Approval Process

UPS subsidies ensure that you don't have to go through a lengthy budget approval process. You can also enjoy some flexibility when upgrading solutions, plus eliminate the need to build an in-house solution that's hard to maintain.
Eligibility for this program includes a minimum shipping spend commitment and requires a UPS account number (i.e., you must already be a UPS customer or sign on as a new customer with them). Learn more about the program on or contact us at for more information.

Is TaxJar Right for You?

TaxJar is designed for ecommerce businesses of all sizes, from growing SMBs to mid-market businesses. TaxJar can handle complex needs, such as real-time sales tax calculations, ERP connections, nexus in multiple states and a high number of monthly orders.


TaxJar offers simple, order-based pricing, starting at $99/month with 12 filings per year included. No setup, connector or service fees required.