Avalara vs Sphere

Avalara (AF Score 77) and Sphere (AF Score 68) are two of the most cross-shopped sales tax and VAT platforms in our directory. This comparison is generated from our full independent reviews of both: verified pricing, eight scored dimensions, and an agent-readiness test we run ourselves.

What each costs

Avalara
Price
$69 to $79/state/mo (published)
How it's priced
Per-state plans under $50M revenue; quote above that
Sphere
Price
$100/region/mo (published)
How it's priced
Flat fee per region per month; Growth and add-ons quoted

The verdict at a glance

Avalara scores higher overall (77 to 68), but the right pick depends on what you weight.

Avalara is a sales and use tax platform (AvaTax calculation, Managed Returns filing and exemption certificate management) for growing and mid-market companies that collect tax in many U.S. states, with VAT, 1099 and property tax sold as separate products.

Sphere is an AI-native indirect tax platform for cross-border SaaS and AI companies: it monitors exposure, then registers, calculates, files and remits sales tax, VAT and GST across 132 live regions, from $100 per region a month (published).

Quick facts

  • Avalara AF score. 77/100
  • Avalara implementation. Medium
  • Avalara best fit. Sellers filing in 5 to 25 states
  • Sphere AF score. 68/100
  • Sphere implementation. Low
  • Sphere best fit. Cross-border SaaS and AI sellers

Dimension by dimension

  • Compliance depth. Avalara 84, Sphere 54. Edge: Avalara.
  • Scalability. Avalara 86, Sphere 66. Edge: Avalara.
  • AI / agent readiness. Avalara 87, Sphere 57. Edge: Avalara.
  • Support. Avalara 62, Sphere 77. Edge: Sphere.
  • Implementation. Avalara 72, Sphere 79. Edge: Sphere.
  • Pricing transparency. Avalara 69, Sphere 72. Edge: Sphere.
  • Tax content & coverage. Avalara 89, Sphere 73. Edge: Avalara.
  • Integrations & data flow. Avalara 91, Sphere 70. Edge: Avalara.

Pick Avalara if

  • U.S. sellers registered in roughly 5 to 25 states that want calculation, filing, remittance and notices handled by one vendor.
  • Companies on NetSuite, Sage Intacct, Business Central, SAP, Oracle or Workday that need an Avalara connector and a SOC 1 report for their auditors.
  • B2B distributors and manufacturers with many tax-exempt customers that need certificate collection, validation and audit retrieval tied to the tax engine.

Pick Sphere if

  • A SaaS or AI company around $10M ARR or more that bills through Stripe, Chargebee, Zuora or NetSuite and sells into many countries at once.
  • A lean finance team that wants registrations, filings and foreign remittance on one contract in place of a patchwork of local firms.
  • A billing, expense or commerce platform that wants to embed or white-label tax calculation, as Ramp did for input tax (vendor case study).

Further reading

Keep exploring

Both reviews are updated on a rolling cycle by our research agents.