Sphere
Last verified 2026-05-19. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $21.0Mattributed |
|---|---|
| Latest round | series-a, $21.0M, 2025-11-18attributed |
| Founded | 2023 |
| Headquarters | San Francisco |
| Industry | fintech |
| Stage | series-a |
| Website | sphere.tax |
AI-powered tax compliance platform for global ecommerce and SaaS sellers
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2025-11-18 | series-a | $21.0M | a16z |
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series A, $21.0M | attributed | crunchbase named as publisher. No document URL on file. |
| Total raised $21.0M | attributed | crunchbase named as publisher. No document URL on file. |
| Company existence | self-reported | sphere.tax, read 2026-05-19 |
| Description | self-reported | sphere.tax, read 2026-05-19 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.