Slovakia VAT number format
10 digits
| VIES prefix | SK |
|---|---|
| Structure | 10 digits |
| Pattern | ^\d{10}$ |
| Company name via VIES | Yes |
| Address via VIES | Yes |
| Verified example | 2020317068 — ESET, spol. s r.o. |
Check digit
Mod-11 check (weights 3,7,2,3,7,...) exists; not enforced.
Vatline does not reject on this check. Only the structure is enforced, so a format-valid number can still turn out to be unregistered. Rejecting a genuine customer costs more than one extra lookup.
Check a number
Known-good value: 2020317068, which VIES returns as ESET, spol. s r.o..