Best Tax Series Alternatives in 2026
Updated
20 platforms from tax compliance software ranked against Tax Series on the same published basis.
- 1Tax Series vs Zamp
- 2Tax Series vs LOVAT
- 3Tax Series vs Avalara AvaTax
- 4Tax Series vs Kintsugi
- 5Tax Series vs Stripe Tax
- 6Tax Series vs Sovos Sales & Use Tax
- 7Tax Series vs Sovos Tax Determination
- 8Tax Series vs ONESOURCE Indirect Compliance
- 9Tax Series vs Vertex Cloud Indirect Tax
- 10Tax Series vs Anrok
- 11Tax Series vs TaxCloud
- 12Tax Series vs TaxJar
- 13Tax Series vs Sovos VAT Compliance
- 14Tax Series vs Numeral
- 15Tax Series vs Tax1099
- 16Tax Series vs Vertex VAT Compliance
- 17Tax Series vs Avalara Returns
- 18Tax Series vs Taxually
- 20Tax Series vs Alphatax
- 21Tax Series vs Sphere
Tax Series alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Zamp | 8.7 | Free plan | Free | API |
| 2 | LOVAT | 8.7 | Free plan | €27/mo | Android, API, iOS, Web |
| 3 | Avalara AvaTax | 8.4 | No | $58.25/mo | API, Web |
| 4 | Kintsugi | 8.4 | Free plan | $75/mo | API |
| 5 | Stripe Tax | 8.2 | No | — | API |
| 6 | Sovos Sales & Use Tax | 8.2 | No | — | API, Web |
| 7 | Sovos Tax Determination | 8.2 | No | — | API, Web |
| 8 | ONESOURCE Indirect Compliance | 8.1 | No | — | API |
| 9 | Vertex Cloud Indirect Tax | 8.0 | No | — | API |
| 10 | Anrok | 8.0 | No | $50/mo | API |
| 11 | TaxCloud | 8.0 | No | — | API |
| 12 | TaxJar | 8.0 | No | $34.92/mo | API |
| 13 | Sovos VAT Compliance | 8.0 | No | — | API |
| 14 | Numeral | 8.0 | No | — | API |
| 15 | Tax1099 | 8.0 | Free plan | $20.75/mo | API, Web |
| 16 | Vertex VAT Compliance | 7.9 | No | — | API, Web |
| 17 | Avalara Returns | 7.9 | No | $69/mo | API |
| 18 | Taxually | 7.9 | No | — | API |
| 20 | Alphatax | 7.9 | No | — | API, Web, Windows |
| 21 | Sphere | 7.8 | No | $100/mo | API |
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Questions about Tax Series alternatives
What is the best alternative to Tax Series?
Zamp, number 1 in tax compliance software with a score of 8.7 out of 10. The others here: LOVAT, Avalara AvaTax, Kintsugi and 16 more.
What is the best free alternative to Tax Series?
Zamp is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.