G2 Vendor Directory

Vertex vs. Sphere

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

MetricVertex

by Vertex Inc.

Sphere

by Sphere

Overall rating4.45.0
Review count50435
Ease of use8.410.0
Ease of setup8.09.9
Quality of support8.010.0
Meets requirements8.510.0
NPS58.299595100
Small Business19.9%45.7%
Mid-Market23.9%54.3%
Enterprise56.2%0.0%
Total page views2,068819
Total LLM citations7,9501,966

Vertex

Vertex is the Decision-to-Defense global indirect tax and compliance company. We help enterprises control indirect tax and compliance with confidence. From tax determination and e-invoicing to reporting, filing and audit defense, we make outcomes easier to prove and improve over time. Our ability to integrate across ERP, e-commerce, marketplace, procurement, CRM, and other financial systems means customers can centralize tax determination and compliance to improve accuracy and consistency for the business.

Pros

  • Ease of Use
  • Customer Support
  • Tax Automation
  • Helpful
  • Reliability
  • Accuracy

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