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What formats are expected for submitted registrant information?

Updated 26 Dec, 2024

Organization Number Formats

Below are examples of organization and personal identity number formats from different countries.
This list may be updated over time.

COUNTRY

ORGANIZATION NUMBER

PERSONAL IDENTITY NUMBER

 NOTES

Denmark

8 digits

"NNNNNNNN" 

11 digits

"DDMMYY-NNNN"

CVR – For Danish companies, the CVR number must be provided.

Norway

9 digits

"NNNNNNNNN" 

11 digits

"DDMMYYNNNCC"

 

Finland

9 digits

"NNNNNNN-N" 

11 digits

"DDMMYY-NNNC" or

"DDMMYYANNNC"

 

Switzerland

CHE + 9 digits

"CHENNNNNNNNN"

"CHE-NNN.NNN.NNN”

 

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"

France

9 digits (Siren) or 14 digits (Siret)

"NNNNNNNNN"

"NNNNNNNNNNNNNN"

 

https://www.societe.com/cgi-bin/recherche

The Netherlands

8 digits

"NNNNNNNN"

 

KVK number
https://www.kvk.nl/en/starting/kvk-number-all-you-need-to-know/

Italy

11 digits

"NNNNNNNNNNN"

 

The codice fiscale for entities (business, foundations, etc.) is a random number assigned by the Italian Tax Office.

https://italianbusinessregister.it/en/home

Poland 

10 digits

"NNNNNNNNNN"

 

KRS number
https://www.ifirma.pl/blog/nip-z-prefiksem-pl-kiedy-go-uzywac.html

https://wyszukiwarkaregon.stat.gov.pl/appBIR/index.aspx

Czechia

8 digits

"NNNNNNNN"

 

ICO number
https://www.czso.cz/csu/res/business_register

https://apl.czso.cz/res/search

Lithuania 

9 digits

"NNNNNNNNN"

 

 

Australia

9 digits (ACN) or 11 digits (ABN)

"NNNNNNNNN"

"NNNNNNNNNNN"

 

https://asic.gov.au/for-business/registering-a-company/steps-to-register-a-company/australian-company-numbers/

 

UK

8 digits

"NNNNNNNN" or "LLNNNNNN"

 

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

Germany

HRB + digits
HRA + digits
(number of digits may vary)

Example:
HRB123456
HRA12345

 

Commercial Register Number – the most commonly used company identifier in Germany. HRB is used for corporations (e.g. GmbH, AG) and HRA for partnerships (e.g. OHG, KG). The prefix is followed by a sequential number whose length may vary.