About Quaderno
Quaderno is tax compliance software for digital sellers. It calculates sales tax, VAT and GST, tracks thresholds, and helps with e-invoicing and filing across many countries.
What it does
Quaderno monitors sales against tax thresholds, including US economic nexus and international VAT and GST limits. It calculates tax at checkout, issues structured invoices where required, and prepares location-specific returns. Sales from Stripe, Shopify and other connected sources can sync in automatically, and a REST API supports custom checkouts.
Key features
- Tax calculation at checkout
- Threshold tracking for sales and VAT
- E-invoicing for European mandates
- Return preparation and filing
- Connections to common payment and store tools
Who it's for
Quaderno is built for SaaS companies, online stores, digital creators and marketplaces that sell to customers in several countries. Teams that want tax handled in the background of their sales flow will find it most useful.
Pricing and good to know
A free trial is available to start, and the company lists support across more than 150 countries. Check which filings and e-invoicing rules apply in your country before you rely on the service. Connecting your sales sources is quick for common platforms, while custom checkouts need the API.
Highlights
- Calculates sales tax, VAT and GST at checkout
- Tracks sales and VAT thresholds by country
- Issues structured e-invoices where required
- Prepares location-specific tax returns
- Syncs sales from Stripe, Shopify and others
