Essential
$24.90 a month
Filing compliance for 1 state · dashboard access · AI-verified, cross-checked filings
Checked 9 Oct 2026
Plans and prices
Sigma Files pricing
Growth
$64.90 a month
Filing compliance for up to 3 states · dashboard access · AI-verified, cross-checked filings
Checked 9 Oct 2026
Professional
$149.90 a month
Filing compliance for up to 7 states · dashboard access · AI-verified, cross-checked filings
Checked 9 Oct 2026
Sales tax registration
$149, paid once
One state per registration
Checked 9 Oct 2026
Custom Coverage
Priced on request
Select exactly the states you need · dashboard access · AI-verified, cross-checked filings
Checked 9 Oct 2026