Zamp vs. TaxJar

Zamp vs. TaxJar: a side-by-side sales tax comparison.

Software that automates your sales tax and a dedicated tax team that manages it for you, finally in one service.

A 20-minute walkthrough with a sales tax specialist. See the full comparison

4.8 out of 5 on G2

  • G2 Best Support, Summer 2025
  • G2 Easiest Setup, Summer 2026
  • G2 Easiest to Do Business With, Summer 2026

Thousands of businesses already switched to Zamp.

  • Crumbl
  • Pentair
  • David
  • Underdog
  • Cult Gaia
  • Little Spoon
  • Salt & Stone
  • Tushy
  • Vapi
  • Popl
  • Nav
  • Oats Overnight
  • Four Sigmatic
  • Handwrytten
  • Culture Pop Soda
  • Pristine Auction
  • Every Day Dose
  • MoonBrew
How Zamp compares

How Zamp compares to TaxJar.

TaxJar is calculation and filing software. Zamp’s platform automates registrations, filings and notices, and tax experts check the work at every step.

  1. 01

    Who files your returns

    Zamp
    Zamp’s platform prepares, files and pays every return, and a specialist reviews each one. You approve in one click.
    TaxJar
    TaxJar AutoFile files the returns you set up, for a fee per filing.2
  2. 02

    Who handles state notices

    Zamp
    Zamp logs every notice, and your tax team answers and resolves it.
    TaxJar
    Notices go to you. TaxJar acts only on frequency changes and credits you forward.4
  3. 03

    Who registers you in new states

    Zamp
    Zamp registers you in every new state, included in your plan.
    TaxJar
    TaxJar can register you, for a fee per state.3
  4. 04

    Who you talk to

    Zamp
    A named sales tax specialist. G2 support score 9.7.5
    TaxJar
    Email support, plus phone on Professional. G2 support score 8.8.15

Automated by Zamp. Checked by tax experts.

Zamp’s platform automates your registrations, filings and notices. Tax specialists and former state auditors review the work at each step, and a named point of contact answers your questions.

Book a demoHow managed works
A Zamp sales tax specialist on a headset, helping a customer.
G2 Best Support, Summer 20254.7 on G2Rated best for supportRead the Wall of Love
Features

Everything Zamp handles, feature by feature.

Software automates each step. Tax experts check the work.

Nexus tracking

Zamp watches your sales in every state and alerts you before you cross a threshold, so you register on time.

Explore nexus tracking

State registrations

Share your business details once. Zamp prepares each state’s application, and a specialist checks it before it’s filed.

Explore registrations

Filing and remittance

Zamp prepares, files and pays every return on each state’s schedule. A specialist reviews each one before you approve.

Explore filing

Notice management

Zamp logs every state notice, and your specialist answers it and sees it through to resolution.

Explore notice management

Exemption certificates

Upload a certificate once. Zamp reads it, matches it to the customer and tracks when it expires.

Explore exemptions

Integrations and calculation

Zamp connects to Shopify, NetSuite, Stripe, QuickBooks and more, and calculates the right rate for every sale.

Explore integrations
G2 reviews

G2 reviewers rate Zamp higher than TaxJar.

Head-to-head scores from verified G2 reviews.5

4.8Zamp on G2
4.7TaxJar on G2
  • G2 Momentum Leader, Fall 2026
  • G2 High Performer, Fall 2026
  • G2 Best Relationship, Small Business, Fall 2026
  • G2 Best Usability, Summer 2026

See the Wall of Love

Zamp vs. TaxJar, side by side.

Zamp next to TaxJar

Zamp’s U.S. plan next to TaxJar’s Starter and Professional plans. Based on publicly available information as of November 1, 2026.

What you getZampTaxJar
Automation plus expert reviewNexus, registrations, filings and notices, automated by Zamp and checked by tax experts.Calculation and reporting software. Filing through AutoFile.1
Returns and remittanceEvery return filed and remitted. No per-filing fees.$50 (Starter) or $55 (Professional) per AutoFile filing after 2 or 4 included a year.2
State registrationsHandled and included.$299 per state.3
NoticesAnswered and resolved by our team.Sent to you. TaxJar acts on frequency changes and credits you forward.4
SupportA named sales tax specialist. G2 support 9.7.Email on Starter; email, phone and a CSM on Professional. G2 support 8.8.15
Time to pay off4 months on G2.12 months on G2.5
Switching

Switch in about a week, without a gap in filings.

TaxJar stays live until Zamp is filing for you. Here’s who does each step.

  1. Step 1You + Zamp · 30 min

    Walk us through your setup.

    Your states, your systems and your TaxJar account, reviewed live.

  2. Step 2You · minutes

    Connect your systems.

    Pre-built integrations, or the Zamp API.

  3. Step 3You · under a minute each

    Add your state accounts.

    Under a minute per state, encrypted.

  4. Step 4Zamp tax team

    We run in parallel.

    Returns validated side by side, no interruption.

  5. Step 5You · one click

    Approve, and you’re live.

    Approve filings in one click. That’s it.

Customer stories

Teams that handed sales tax to Zamp.

Real customers, in their own words.

GlamneticSwitched providers
“We can always reach out to the support team and get an answer, whereas we didn’t have that with our previous provider.”

10+ hrs.Saved monthly across Glamnetic + INH

Mayra JimenezAssistant Controller, Glamnetic

Read the Glamnetic story →
Left On FridayFully managed by Zamp
“It’s such a lifesaver to have a company fully manage your sales tax obligations for you.”

10–15 min.Per month on sales tax

Kelly TuoheyCorporate Accounting Manager, Left On Friday

Read the Left On Friday story →
It was the best switch my company could have made. Their onboarding team worked on my behalf to assist us.
David W.Verified G2 review
  • $500M+sales tax remitted
  • 150K+filings on time
  • 75K+notices handled
  • 97.8%of customers stayed in 2025

The Zamp Commitment

Zamp owns the outcome.

Read the terms
  • Filing commitmentIf we’re the reason a return is filed late, we cover the penalties and interest.
  • Accuracy guaranteeIf an inaccurate Zamp API result triggers an audit, we cover the tax, penalties and interest, up to 12 months of fees.

Questions about switching from TaxJar.

Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.

Book a demo

Can Zamp replace TaxJar AutoFile?

Yes. Zamp’s platform files and remits every return in every state you owe, with no per-filing fees, and a specialist reviews each one. Zamp also registers you in new states, and your tax team answers state notices.

Will switching disrupt our filings?

No. TaxJar stays live while our team sets up Zamp and runs in parallel. We switch over only after our tax team confirms everything is live and accurate. Most teams switch within a week.

How is Zamp priced?

One fee for your states, quoted up front. Filings, registrations, nexus monitoring, notice management and a named specialist are included. No per-filing fees or per-state surcharges.

Who handles state notices?

With Zamp, our team answers and resolves state notices for you. With TaxJar, notices come to you; TaxJar acts on frequency changes and credits you forward.

Do you work with Shopify, Stripe and our ERP?

Yes. Zamp connects to Shopify, Amazon, Stripe, NetSuite, QuickBooks Online and more, plus the Zamp API.

See how Zamp compares to TaxJar for your business.

Book a demo. A sales tax specialist will walk through your states and systems and show you exactly what Zamp handles for you.

#1 rated support on G2

Three colleagues reviewing their accounts together at a sunlit table.