Sphere vs. Zamp
A side-by-side comparison based on G2 review data.
| Metric | Sphere | Zamp |
|---|---|---|
| Overall rating | 5.0 | 4.7 |
| Review count | 35 | 52 |
| Ease of use | 10.0 | 9.5 |
| Ease of setup | 9.9 | 9.3 |
| Quality of support | 10.0 | 9.7 |
| Meets requirements | 10.0 | 9.7 |
| NPS | 100 | 88.235294 |
| Small Business | 45.7% | 91.3% |
| Mid-Market | 54.3% | 8.7% |
| Enterprise | 0.0% | 0.0% |
| Total page views | 819 | 1,562 |
| Total LLM citations | 1,966 | 3,729 |
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.
- Tax Automation
- Compliance Simplification
- Automation
- Time-saving
- Easy Integrations
- Accuracy
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.
- Helpful
- Customer Support
- Ease of Filing
- Onboarding
- Tax Automation
- Ease of Use