G2 Vendor Directory

Sphere

#4 in Sales Tax and VAT Compliance

San Francisco, US

1

Products on G2

35

Total reviews

5.0

Avg. star rating

  • Sphere ranks #4 in Sales Tax and VAT Compliance.
  • Reviews across Sphere's portfolio grew 1800.0% quarter-over-quarter.
  • Sphere's 1 product span 1 category on G2.
  • Mid-Market is the largest segment among reviewers, at 54.3%.

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines, summed across Sphere's products.

Page views and citations · Sphere

Source: G2 review data

Winning from

Based on reviewers who said they switched from another vendor's product.

Losing to

Based on reviewers of other products who said they switched from Sphere.

Key stats

+1800.0%

#4

1

Mid-Market

2024

47

San Francisco, US

Adoption by company size

SegmentShare of reviews
Small Business45.7%
Mid-Market54.3%
Enterprise0.0%

Quarterly history

QuarterTotal reviewsAvg. rating
2025 Q275.0
2025 Q345.0
2026 Q125.0
2026 Q215.0
2026 Q3195.0