G2 Vendor Directory

Sphere vs. Numeral

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

MetricSphere

by Sphere

Numeral

by Numeral

Overall rating5.04.1
Review count3540
Ease of use10.09.0
Ease of setup9.98.8
Quality of support10.09.0
Meets requirements10.09.1
NPS10055
Small Business45.7%89.2%
Mid-Market54.3%10.8%
Enterprise0.0%0.0%
Total page views8191,477
Total LLM citations1,9666,655

Sphere

Sphere is an AI-native, global indirect tax platform backed by a16z and YC, headquartered in San Francisco. About Sphere: Trusted by fast-growing companies including Lovable, ElevenLabs, Replit, and Deel Manages indirect tax obligations across 130+ jurisdictions. Our in-house tax team works alongside our engineers, so every part of the product is built and checked by experts who understand tax.

Pros

  • Tax Automation
  • Compliance Simplification
  • Automation
  • Time-saving
  • Easy Integrations
  • Accuracy

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