Data quality
The reliability of our calculations depends on the quality of data we have about the various countries. In this table, an overview is given for every country.
| Country | overall reliability | bank codes validated? | account numbers validated? | regular IBAN structure? |
|---|---|---|---|---|
| AT | medium | yes (data from national bank, daily update) | no | yes |
| BE | good | yes (data from national bank, daily check for updates) | yes | yes |
| CH | good | yes (data from SIC, daily check for updates) | yes | no, but handled by SIC software |
| CZ | good | yes (data from national bank, daily check for updates) | yes | yes |
| DE | good | yes (data from national bank, updated every 3 months) | yes | not perfectly regular, but well understood |
| EE | good | yes (data from national bank, daily check for updates) | yes | yes |
| ES | good | yes (data from national bank, daily check for updates) | yes | yes |
| FI | good | yes (data from the Federation of Finnish Financial Services, daily check for updates) | yes | yes |
| FR | medium | no bank codes available | yes | yes |
| GB | medium | partially (using bank codes from web crawl since sorting code directory ISCD is prohibitively expensive) | yes | yes |
| GR | weak | yes, but not updated frequently | no | no |
| HU | good | yes (data from national bank, daily check for updates) | yes | yes |
| IE | see GB | |||
| IT | medium | no bank codes available | yes | yes |
| LI | good | yes (data from SIC, daily check for updates) | yes | no, but handled by SIC software |
| LU | good | yes (data from ABBL, daily check for updates) | yes (IBAN checksum) | yes |
| NL | good | plausibility check with web crawl | yes | yes |
| PL | good | only via IBAN checksum | yes (IBAN checksum) | yes |
| PT | good | yes (data from the Banco de Portugal, daily check for updates) | yes | yes |
| SK | good | yes (data from national bank, daily check for updates) | yes | yes |