VAT inclusive vs exclusive
Understand VAT inclusive and VAT exclusive prices, formulas, and when to add or remove VAT from an amount.
EU VAT guides
Practical EU VAT guides
Focused, source-linked notes for small sellers, freelancers, SaaS operators, and invoice preparation.
VIES VAT number check
Check an EU VAT number with VIES, understand valid and invalid results, and keep evidence for reverse charge decisions.
EU OSS VAT for online sellers
Understand EU VAT One Stop Shop basics for B2C cross-border sales, Union OSS, Non-Union OSS, and IOSS.
EU VAT invoice requirements checklist
A practical checklist for VAT invoices, reverse charge notes, supplier and customer details, and VAT amounts.
EU VAT for digital products and SaaS
A practical EU VAT checklist for digital products, SaaS, software, templates, and online services.
EU reverse charge examples
Practical EU reverse charge examples for B2B services, domestic sales, missing VAT numbers, and non-EU customers.
VAT invoice wording examples
Conservative VAT invoice wording examples for reverse charge, domestic VAT, OSS, exempt sales, and outside-scope transactions.
VIES invalid VAT number: what to do
What an invalid VIES VAT number result can mean and how to handle EU B2B invoice decisions conservatively.
OSS vs local VAT registration
Understand when OSS may simplify EU B2C VAT reporting and when local VAT registration or separate handling may still be needed.
EU VAT checkout checklist
A checkout checklist for EU VAT country detection, B2B VAT numbers, OSS rates, invoices, refunds, and record keeping.