SaaS sales-tax comparison
Both products help teams manage sales tax across states. Stonemark focuses on SaaS rules, state-level revenue tracking, and filing preparation. TaxJar also offers tax calculations and optional return filing. Compare the workflows and current public plans below.
Feature by feature
Stonemark is a monitoring and preparation workspace. TaxJar covers transaction calculations and optional automated filing as well.
| Feature | StonemarkSaaS-focused monitoring | TaxJarTax calculations and filing options |
|---|---|---|
| SaaS taxability and state rules | A SaaS-focused, state-by-state rule reference covers taxability notes, nexus thresholds, and filing cadence. | TaxJar publishes a SaaS solution and supports product tax codes, tax calculations, and taxability guidance. |
| Economic nexus monitoring | Compares revenue entered or imported by state over a rolling 12-month window with the configured rule, then emails an alert when a threshold is crossed. | Nexus Insights provides an economic-nexus dashboard and alerts as a business approaches or reaches state thresholds. |
| Revenue data input | Manual monthly revenue entry is available on Starter; Growth adds CSV imports. The current app does not provide a live billing sync. | At the 200-orders-per-month price tier, TaxJar lists up to 3 data-import integrations on Starter and up to 10 on Professional. |
| Registration and return filing | Drafts registration paperwork and, on Growth, tracks filing dates and reminders. Stonemark does not calculate checkout tax or file returns. | TaxJar calculates sales tax and offers optional AutoFile return submission. Current public plans include 2 or 4 annual filing credits; additional filings are $50 or $55 each. |
| Exemption certificates | Growth includes a B2B certificate-request workflow with a printable certificate document. | Professional sellers can upload and store PDF certificates through the TaxJar API or an API-powered integration. |
| Public monthly plan pricing | Starter is $49 per month for up to 10 watched states. Growth is $99 per month for unlimited watched states. | At 200 orders per month, public list pricing is $39 per month for Starter and $99 for Professional. Prices vary with order volume; AutoFile fees may also apply. |
Stonemark plan details come from its current pricing page. TaxJar amounts shown are public monthly list prices at 200 orders per month, checked October 14, 2026; higher order tiers and existing account terms can differ. See TaxJar pricing, its SaaS solution, its Nexus Insights details, its certificate requirements, and the AutoFile fee schedule. Features and tax rules can change; confirm terms with each provider before purchase or filing.
When Stonemark may fit better
If your immediate question is which states need attention, Stonemark puts SaaS rule notes, recorded revenue, threshold status, and deadlines in one monitoring workflow.
Enter monthly revenue yourself or import a Growth CSV, then see how the rolling state totals compare with the configured rules. The current app does not claim a live billing sync.
Stonemark helps monitor exposure and prepare for registration and deadlines. If you need checkout tax calculations or automated return filing, TaxJar covers those tasks; Stonemark does not replace them.
Start with your state revenue
Use the free Nexus Risk Snapshot to compare revenue by state with Stonemark’s rule table. No signup is needed.
Stonemark monitors and prepares; it does not file returns.