Contact us
Questions about your account, billing, or how Clozo works? We are happy to help.
Quick help resources
- Help centre — step-by-step guides for every workflow
- EU VAT guide — reverse-charge rules, rates, and the VAT calculator
- Video tutorials — watch how every feature works
- Compliance reference — GDPR, eIDAS, GoBD, and Peppol articles
Security issues? Email security@useclozo.com directly. We do not have a public bug-bounty programme but we take all reports seriously.