Starter is $199/month flat and Professional is $599/month flat per organization within their included allowances. Choose a core workspace plan or individual modules below. Enterprise scope and pricing are contract-defined.
Subscription plans and separately priced modules are shown below, including Reverse Audit usage rates. Your commercial agreement determines your charges; using the workspace, an API, or an AI assistant does not by itself change your pricing model or purchased access.
Individuals, small sellers, solo operators, and very small teams getting tax compliance organized.
A focused workspace for individuals, small sellers, and very small teams organizing core sales, purchasing, and exemption workflows.
$199/month flat
Growing finance and tax teams managing multi-user, multi-location, recurring workflows.
Expanded visibility for growing teams coordinating recurring workflows across users, locations, and reviewers.
$599/month flat
Complex organizations with configured workflows, controls, integrations, and support.
Configured workflows, controls, integrations, services, and support for complex tax operations.
Custom
Twelve monthly payments total $2,388 for Starter or $7,188 for Professional per year. Twenty filing states do not add a state fee. These are annualized monthly module-plan prices, with no assumed annual discount; your agreement governs commitment terms. They do not quote pay-for-use charges, which depend on the work authorized and the applicable customer rate card.
Starter includes one user and one location; Professional includes five users and four locations. Both include sales and purchasing tax compliance, customer certificate management, and vendor certificate management within the published allowance of 2,500 ingested transactions per month and 250 active certificates on each side. A filing state is not a business location. Larger volumes or footprints require confirmed scope.
Budget separately for submission and payment: these subscriptions prepare reviewable returns and supporting outputs. Your team or advisor remains responsible for submission and remittance. They are not an all-in managed filing quote. Production calculation engines are separate modules with sales-assisted setup.
Compare published 20-state annual costs and filing responsibilitiesThe modules listed below have published subscription, one-time deliverable or usage prices. Reverse Audit has a per-line classification rate and a separate one-time recovery package fee. Included subscription usage does not carry an additional per-state, per-filing or per-transaction fee. Menu pricing is built for small and mid-sized businesses: each module includes up to 1 legal entity, 3 locations, 5 users, and the volume shown below. Larger footprints and service providers: talk to us about Professional or Enterprise.
| Module | What it does | Price | Included volume | Get the module |
|---|---|---|---|---|
| Full sales-side workspace: ingestion, determination, review, filing-ready worksheets. | Includes 2,500 transactions/month | |||
| Use tax on the buy side: invoice ingestion, accrual review, overcharge detection. | Includes 2,500 invoices/month | |||
| Collect, validate, and renew customer certificates. | Up to 250 active certificates | |||
| Generate, issue, and track the certificates you give vendors. | Up to 250 active certificates | |||
| Production real-time calculation API for your billing stack. | Includes 10,000 calculations/month | |||
| Purchasing-side determination and accrual exports. Native accounting posting requires a validated customer-specific integration. | Includes 10,000 determinations/month | |||
| Upload, validate, and maintain your taxability matrix. | Up to 5,000 matrix rows | |||
| Indirect tax analytics across everything in the workspace. | Standard envelope | |||
| In-app tax research and workflow support, human-review gated. | Fair-use allowance | |||
| Programmatic reads of your compliance data. Included free with either engine. | Standard envelope | |||
| Classification is priced per transaction line, not per invoice. The recovery package includes a cover letter, applicable refund form and workpapers; your team or advisor reviews and submits the claim. | Standard scope: up to 10,000 lines. Confirm larger projects with us. | |||
| VDA workpaper package for one state, ready for submission by you or your advisor. | Per entity per state |
Reverse Audit: manual review and fact entry do not add a classification fee. Requested AI reclassification is priced only on the lines selected for another assessment. Failed attempts and technical retries are not another paid classification. The package fee covers one agreed entity, jurisdiction and review-period scope, including corrected exports within that scope. Confirm scope and charges with us before licensed processing; sandbox evaluation remains free within its allowance.
Every à-la-carte module uses a sales-assisted purchase path today so scope, locations, credentials, and controls are confirmed before activation. The production tax engines are enabled with our team. Starter and Professional remain the best value for the core workspace — the four core modules cost more à la carte by design.
A clearer view of what is included now, what can be added, and what is configured with Prophit.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
| Core compliance | |||
| Sales Tax Compliance | ✓ | ✓ | ✓ |
| Purchasing Tax Compliance | ✓ | ✓ | ✓ |
| Exemption certificates | |||
| Sales Exemption Certificates | ✓ | ✓ | ✓ |
| Purchasing Exemption Certificates | ✓ | ✓ | ✓ |
| Analytics and AI | |||
| Analytics | Not included | ✓ | ✓ |
| AI Sales Tax Assistant | Not included | ✓ | ✓ |
| Additional modules / add-ons | |||
| Sales Tax Matrix | Not included | Not included | Custom |
| Invoice Auto-Processing | Not included | Not included | Custom |
| Reconciliation | Not included | Not included | Custom |
| Reverse Audit | Not included | Not included | Custom |
| Voluntary Disclosure Automation | Not included | Not included | Custom |
| API Access (Sales Tax Calculation API) | Not included | Not included | By contract |
| Scale | |||
| Included users | 1 user | 5 users | As needed |
| Included locations | 1 location | 4 locations | As needed |
| Additional users/locations | Not included | Not included | As needed |
| Transactions ingested / month | 2,500 | 2,500 | As needed |
| Active certificates / side | 250 | 250 | As needed |
| High-volume processing | Upgrade | Upgrade | As needed |
| Services and support | |||
| Standard support | ✓ | ✓ | ✓ |
| Priority support | Not included | ✓ | ✓ |
| White-glove onboarding | Not included | Not included | ✓ |
| Managed registrations | Not included | Not included | ✓ |
| Filing preparation and reviewer handoff | ✓ | ✓ | ✓ |
| Custom reporting | Not included | Not included | ✓ |
| Custom integrations | Not included | Not included | ✓ |
This page lists module-based subscriptions and separately purchased modules, including Reverse Audit per-line classification and its one-time recovery package. Annual subscription examples multiply the monthly plan price by twelve; they are not pay-for-use quotes. Other pay-for-use charges depend on authorized completed work and the applicable customer rate card. Existing customers keep their agreed pricing unless they explicitly choose a different commercial arrangement.
No. How you access Prophit.ai and how you buy it are separate. Using an AI assistant, an API or the workspace does not automatically switch an existing customer to pay-for-use billing or add access outside their agreement. Purchased capabilities, permissions and any spending authority still apply.
Yes. The module-based Starter plan is $199/month flat and Professional is $599/month flat per organization, available through self-serve signup. The module menu also publishes prices, billing units and included volumes, but standalone modules use sales-assisted activation. Enterprise scope and pricing require a contract.
For module-based plans, twelve monthly payments total $2,388 for Starter or $7,188 for Professional, with no annual discount assumed; your agreement governs commitment terms. These are not pay-for-use quotes. There is no additional per-state fee. User, location, transaction and certificate allowances still apply. These are software subscriptions for preparation and review; your team or advisor handles submission and remittance. Standalone production engines are separately priced.
The module-based Starter plan is $199/month flat and Professional is $599/month flat, billed per organization within included allowances, with no per-location, per-state, or per-filing charges. Listed modules are also available individually at published module prices, including Reverse Audit per-line classification and a one-time recovery package — see the Build-your-own table above. Enterprise is contract-defined.
Yes. The free trial is $0 for 30 days with one user and one location, and includes the core compliance modules: Sales Tax Compliance, Purchasing Tax Compliance, and both exemption certificate managers.
Starter covers one user and one location with the core modules. Professional adds up to five users and four locations, Analytics & Reporting, the AI Sales Tax Assistant, and priority support.
They are included in the module-based trial, Starter and Professional within published allowances: 2,500 ingested transactions per month and 250 active certificates per side. Enterprise scope is contract-defined. Standalone modules and pay-for-use agreements have their own purchased scope and prices.
Starter and Professional are flat monthly subscriptions per organization within the published operating envelope: 2,500 ingested transactions per month and 250 active certificates on each side. There are no per-state or per-filing fees. At 80% the workspace warns; at the limit it provides an upgrade path after the observation rollout. Enterprise scale is contract-defined.
Starter and Professional are self-serve monthly subscriptions managed from your account. You can move between them as your team and locations change; Enterprise terms follow the contract.
Prophit can help map the right workspace, support model, and next step for your team. Start with the sales tax software buyer guide or See how sales tax software maps to your complexity.
