Friday, November 13, 2026 4,523 lists 78,994 records on file
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Fosti

Plans and prices

Starter

$399a month

Up to 5 active clients · up to 3 team members · all 11 core modules · white-label portal

Growth

$799a month

Up to 15 active clients · unlimited team members · custom subdomain & branding · priority support

Scale

$1,499a month

Up to 35 active clients · advanced analytics · dedicated onboarding · 99.9% uptime SLA

Enterprise

Priced on request

35+ active clients · SSO & SCIM · custom integrations · white-glove onboarding

Every plan, in full

On the record

API access
Yesgetfosti.com · read 22 Sep 2026
Client portal
The white-label client portal lets clients upload data, approve liabilities, and track filing status, and is included in all tiers.getfosti.com · read 10 Oct 2026
Data residency
The site says all data is stored in U.S. regions and backups are daily.getfosti.com · read 10 Oct 2026
Filing support level
assistedgetfosti.com · read 22 Sep 2026
Integrations
The site lists Vertex, Avalara, OneSource, Sovos, TaxJar, NetSuite, QuickBooks, and Xero; it says import files are generated for Vertex, Avalara, and OneSource.getfosti.com · read 10 Oct 2026
Limits
All tiers include unlimited states and the white-label portal, and the site says there are no per-return fees.getfosti.com · read 10 Oct 2026
Modules
The product lists 11 modules, including CRM and nexus profiles, filing calendar, escrow ledger, document management, time and billing, and exemption certificates.getfosti.com · read 10 Oct 2026
Purpose
Fosti is an operating system for sales tax practices, designed for multi-client, multi-state compliance at CPA firms.getfosti.com · read 10 Oct 2026
Return filing
Nogetfosti.com · read 22 Sep 2026
Returns engine
The site says Fosti’s native returns engine is planned for Q4 2026, with PDF generation for the top 15 states.getfosti.com · read 10 Oct 2026
Security
Fosti states it is SOC 2 Type II audited and uses AES-256 encryption at rest, TLS 1.3 in transit, and per-tenant isolation.getfosti.com · read 10 Oct 2026
Paid from
399getfosti.com · read 22 Sep 2026
Support and onboarding
Starter includes email support, Growth includes priority support, and Scale includes dedicated onboarding; self-serve onboarding is stated to take under an hour.getfosti.com · read 10 Oct 2026
Supported tax types
sales taxgetfosti.com · read 22 Sep 2026
Upgrade notice
Fosti says it notifies customers when they reach 90% of their client limit, and upgrades are one click, prorated, and effective immediately.getfosti.com · read 10 Oct 2026
Workflow
Its compliance workflow uses a five-step cycle that opens automatically for each active client, with sequential steps and logged actions.getfosti.com · read 10 Oct 2026
Worksheets
Fosti says its worksheets auto-populate from client data and flag material variances for senior review.getfosti.com · read 10 Oct 2026

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