G2 Vendor Directory

Numeral vs. Zamp

A side-by-side comparison based on G2 review data.

MetricNumeral

by Numeral

Zamp

by Zamp

Overall rating4.14.7
Review count4052
Ease of use9.09.5
Ease of setup8.89.3
Quality of support9.09.7
Meets requirements9.19.7
NPS5588.235294
Small Business89.2%91.3%
Mid-Market10.8%8.7%
Enterprise0.0%0.0%
Total page views1,4771,562
Total LLM citations6,6553,729

Numeral

Numeral is the trusted solution for U.S. sales tax, VAT, and GST compliance, used by 3,500+ global businesses. Numeral automates the full tax compliance lifecycle in one platform, including nexus monitoring, registrations, real-time tax calculation, filing and remittance, exemption certificate management, and global VAT/GST compliance in 90+ countries. Numeral works alongside the systems and workflows businesses already use, with integrations across ecommerce, billing, accounting, and ERP platforms, plus API access for custom needs.

Pros

  • Customer Support
  • Ease of Use
  • Ease of Filing
  • Tax Automation
  • Accuracy
  • Easy Integrations

Zamp

Zamp is a fully managed sales tax compliance platform designed for modern digital businesses. After regulatory changes pushed enterprise-level complexity onto growing companies, Zamp was built to eliminate the burden entirely. Combining intelligent automation with a dedicated team of tax specialists, Zamp manages calculations, nexus tracking, registrations, filings, and state notices from start to finish. Unlike DIY tax software, Zamp owns both the work and the outcome, providing accuracy, predictable pricing, and ongoing support.

Pros

  • Helpful
  • Customer Support
  • Ease of Filing
  • Onboarding
  • Tax Automation
  • Ease of Use