Organization number
Below are examples of different countries' organization number formats. This list may be updated over time.
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Country |
Organization number |
Personal identity number |
Note |
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Denmark |
8 digits "NNNNNNNN" |
"DDMMYY-NNNN" |
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Norway |
9 digits "NNNNNNNNN" |
12 digits "DDMMYY-NNNCC" |
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Finland |
9 digits "NNNNNNN-N" |
11 digits "DDMMYY-NNNC" or |
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Switzerland |
CHE + 9 digits "CHENNNNNNNNN" "CHE-NNN.NNN.NNN” |
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Every Swiss company has a business identification number. This UID can be requested online. The number always consists of the prefix “CHE” and a 9-digit number containing a control number. For example, “CHE987654321” or "CHE-112.007.423". |
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France |
9 digits (Siren) or 14 digits (Siret) "NNNNNNNNN", "NNNNNNNNNNNNNN" |
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Netherlands |
8 digits "NNNNNNNN" |
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KVK number https://www.kvk.nl/en/starting/kvk-number-all-you-need-to-know/ |
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Italy |
11 digits "NNNNNNNNNNN" |
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The codice fiscale for entities (business, foundations, etc.) is a random number assigned by the Italian Tax Office. |
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Poland |
10 digits "NNNNNNNNNN" |
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KRS number https://www.ifirma.pl/blog/nip-z-prefiksem-pl-kiedy-go-uzywac.html |
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Czechia |
8 digits "NNNNNNNN" |
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ICO number |
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Lithuania |
9 digits "NNNNNNNNN" |
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Australia |
9 digits (ACN) or 11 digits (ABN) "NNNNNNNNN" "NNNNNNNNNNN" |
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UK |
8 digits "NNNNNNNN" or "LLNNNNNN" |
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CRN A typical CRN consists of eight digits (numbers) or, in some cases, two letters followed by six digits. https://www.gov.uk/government/organisations/hm-revenue-customs https://www.hmrc.gov.uk/gds/com/attachments/coy_reg_no_formats.doc |
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