Sales Tax Pricing IndexA sourced comparison

Pricing comparison

Avalara vs Zamp pricing

Last updated

How does Avalara pricing compare to Zamp? Avalara's Core Compliance + SST Services is $69/month ($699/year); Zamp's U.S. 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

Core Compliance + SST Services

From $7,490

This is Avalara's published list price, shown as a floor rather than an exact figure. Avalara publishes the per-state rate but not the transaction limits, included return counts, or overage rates behind it, and its own pricing-page FAQ still says cost factors include transaction volume and integration footprint. +7 more

Zamp

U.S.

$4,730–$10,194

Zamp does not publish dollar pricing for paid plans. Ranges inferred from aggregator commentary and third-party comparison pages. +2 more

Mid-Market

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

Avalara

Core Compliance + SST Services

From $14,980

This is Avalara's published list price, shown as a floor rather than an exact figure. Avalara publishes the per-state rate but not the transaction limits, included return counts, or overage rates behind it, and its own pricing-page FAQ still says cost factors include transaction volume and integration footprint. +7 more

Zamp

U.S.

$8,633–$14,878

Zamp does not publish dollar pricing for paid plans. Ranges inferred from aggregator commentary and third-party comparison pages. +2 more

Side by side

DimensionAvalaraZamp
Entry-tier subscriptionCore Compliance + SST Services: $69/mo · $699/yr[A] ↗U.S.: quote required[C] ↗
Per-state filing fee$48 / filing[C] ↗None
Per-state registration fee$403 / registration[A] ↗None
Per-transaction feeCharged, rate not publishedNone
Pricing transparencyPartialOpaque
SST Certified Service ProviderYesNo
International VAT / GSTYesYes

Source confidence: A = vendor pricing page, B = help center, C = third-party aggregator, G = estimated. Per-transaction, transparency, and SST rows are structural, not dollar figures.

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?
Avalara's Core Compliance + SST Services is $69/month ($699/year); Zamp's U.S. is quote-only. Avalara charges per-state filing fees; Zamp does not.
Which is cheaper, Avalara or Zamp?
Avalara publishes a starting price ($69/mo); Zamp doesn't publish entry-tier pricing, so a real head-to-head means getting a quote from Zamp first.
Is Avalara or Zamp SST certified?
Avalara is. Zamp isn't. SST certification means free filings in SST 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.
Is Avalara or Zamp more transparent on pricing?
Avalara is partial on pricing; Zamp is opaque. Translation: Avalara shows more; Zamp requires more back-and-forth with their sales team to get a number you can budget around.

Sources

Every Avalara and Zamp figure on this page traces back to one of the sources below. Confidence ratings are explained on the methodology page.

  1. [1]A
  2. [2]C
    Avalara Pricing, G2Accessed August 18, 2026
  3. [3]C
    Avalara Pricing, TrustRadiusAccessed August 18, 2026
  4. [4]A
    Streamlined Sales Tax, AvalaraAccessed August 18, 2026
  5. [5]A
    Avalara Pricing InformationAccessed May 11, 2026
  6. [6]C
  7. [7]C
  8. [8]D
  9. [9]D
  10. [10]A
    Zamp PricingAccessed August 18, 2026
  11. [11]A
  12. [12]A
  13. [13]C
  14. [14]C
    Zamp Reviews 2026, G2Accessed May 12, 2026

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.