Sales Tax Pricing IndexA sourced comparison

Pricing comparison

Avalara vs Zamp pricing

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How does Avalara pricing compare to Zamp? Avalara's AvaTax is quote-only; Zamp's U.S. Plan is quote-only. Avalara charges per-state filing fees; Zamp does not.

Avalara vs Zamp: typical pricing

Annual cost for two common ecommerce profiles. Both assume Shopify, monthly filing cadence, annual billing, and a typical $120 AOV. Run the calculator to plug in your own numbers.

SMB

50K orders · 120 filings · 10 states · 5 SST · Shopify

Avalara

AvaTax + Returns (custom quote)

$45,827–$92,600

Zamp

U.S. Plan

$4,730–$10,194

Mid-Market

250K orders · 200 filings · 20 states · 10 SST · Shopify

Avalara

AvaTax + Returns (custom quote)

$49,640–$99,040

Zamp

U.S. Plan

$8,633–$14,878

Side by side

DimensionAvalaraZamp
Entry-tier subscriptionAvaTax (core tax calculation engine): quote requiredU.S. Plan: quote required
Per-state filing fee$48 / filingNone
Per-state registration fee$403 / registrationNone
Per-transaction feeCharged, rate not publishedNone
Pricing transparencyOpaqueOpaque
SST Certified Service ProviderYesNo
International VAT / GSTYesYes

About

Avalara

Mid-market to enterprise; broad horizontal coverage across ecommerce, manufacturing, retail, SaaS

Full Avalara pricing breakdown →

About

Zamp

Mid-market ecommerce and SaaS that want a fully managed ("done-for-you") sales tax service instead of self-serve software

Full Zamp pricing breakdown →

Frequently asked questions

How does Avalara pricing compare to Zamp?
How does Avalara pricing compare to Zamp? Avalara's AvaTax is quote-only; Zamp's U.S. Plan is quote-only. Avalara charges per-state filing fees; Zamp does not.
Which is cheaper, Avalara or Zamp?
Neither Avalara nor Zamp publishes a comparable entry-tier price. You'll need quotes from both before a direct comparison is possible.
Is Avalara or Zamp SST certified?
Avalara is. Zamp isn't. SST certification can mean free filings in up to 24 member states for customers who qualify (no physical nexus in those states), which materially shifts the math against Zamp for high-volume sellers.
Do Avalara and Zamp both support international VAT and GST?
Yes. Both extend beyond US sales tax. Avalara covers multiple countries; Zamp covers 70.
Does Avalara or Zamp charge per filing?
Avalara does ($48/filing). Zamp doesn't; its subscription includes filings, so cost scales with volume instead.
Who is each one built for?
Avalara targets Mid-market to enterprise; broad horizontal coverage across ecommerce, manufacturing, retail, SaaS. Zamp targets Mid-market ecommerce and SaaS that want a fully managed ("done-for-you") sales tax service instead of self-serve software. The fit question matters more than the price one. Buy the product that actually covers your situation.

Want a number specific to your business? The calculator ranks all eight providers, including Avalara and Zamp, by what they'd actually cost given your volume, state footprint, and SST eligibility.