What is company registration ID? – Help

The table below provides a detailed explanation, including examples, of what a company registration ID is in each supported jurisdiction.

Country	Registration ID	Format	Details
Austria	Unique Registration Number (FN number) - unique numerical identifier assigned to each registered company.	FN 123456a	"FN" is an abbreviation for "Firmenbuchnummer," indicating the Company Register Number. "123456" represents a unique numerical identifier assigned to the registered company. "a" or other characters may represent additional information or a checksum.
Belgium	Numeric Component - the core part of the Enterprise Number and typically represents the unique identifier of the business.	0123.456.789
Bulgaria	Unified Identification (ЕИК) - unique identifier assigned to each legal entity registered in Bulgaria, including companies, partnerships, and other organizations.	123456789	The length of the code may vary.
Croatia	Personal Identification Number (OIB) - a unique identification number assigned to individuals and legal entities, including companies, by the Tax Administration of the Republic of Croatia.	123456789	The length of the code may vary.
Cyprus	Registration Number - assigned a unique registration number, and this number is used for identification purposes in various official and legal contexts.	HE123456	"HE" may represent a prefix indicating a company registered in Cyprus. "123456" is a unique identifier assigned to the company. The specific format may vary, and the length of the registration number can depend on the time of registration and the specific requirements of the Cyprus Companies Law.
Czech Republic	Identification Number (IČO) - a unique identifier assigned to legal entities, including companies and organizations, by the Czech authorities.	12345678	The length of the code may vary.
Denmark	Central Business Register Number (CVR number) - a unique identifier assigned to all businesses and entities registered in Denmark.	12345678 12345678-0001	"12345678" represents the main registration number of the business. "-0001" is the unit number for a branch, if applicable.
Estonia	Registration code (Registrikood) - a unique identifier assigned to businesses and entities registered in Estonia.	12345678
Finland	Business ID (Y-tunnus) - used for various administrative, legal, and taxation purposes.	1234567-8	"1234567" represents the core numeric component of the Business ID. "-8" is the check digit.
France	Company registration number (SIREN) - uniquely identifies a business or legal entity registered in France.	123456789
Germany	Company registration number (HR-Nummer) - a part of the broader German commercial register system.	HRB 12345	"HR" stands for Handelsregister (commercial register). "B" indicates that it is a company entry (there is also "A" for associations and "C" for cooperative entries). "12345" is the unique registration number assigned by the district court (the length of numbers may vary)
Greece	Company Registration Number (Αριθμός Εγγραφής Εταιρείας) - is assigned to each business entity upon registration and is used for identification purposes in various official and legal contexts.	123456789	The length of the code may vary.
Hungary	Company Registration Number (Cégjegyzékszám) - assigned to each business entity upon registration and serves as a unique identifier in various official and legal contexts.	01-09-123456	"01" could represent the county code or regional identifier. "09" might indicate the type of entity (e.g., limited liability company). "123456" is the unique registration number assigned to the business.
Iceland	National Identification Number (Kennitala) - is a unique identifier assigned to individuals and entities, including companies, in Iceland. It serves as a key identifier for various administrative and legal purposes.	123456-7890	Consists of 10 digits. "123456" represents the base identifier. "-7890" is the unique registration number assigned to the company.
Ireland	Company Registration Office Number (CRO Number) - assigned to each registered company by the Companies Registration Office, which is the central authority responsible for the incorporation and registration of companies in Ireland.	123456	Typically includes a combination of letters and numbers.
Italy	Company registration number (Numero di iscrizione al Registro delle Imprese or Registro Imprese Number) - assigned to businesses and entities upon registration in the Italian Chamber of Commerce.	MI-1234567	"MI" represents the provincial code (in this case, Milan/Milano). "1234567" is the unique registration number assigned to the company (the length of numbers may vary)
Latvia	Registration Number (Reģistrācijas numurs) - assigned to businesses and entities upon registration with the Register of Enterprises of the Republic of Latvia.	40003863401	Typically consists of a combination of letters and numbers, the specific format may vary, and the length of the number can depend on when and how the business was registered.
Liechtenstein	Commercial Register Number (Handelsregisternummer) - is a number used to uniquely identify businesses.	123456789	The length of the code may vary.
Lithuania	The Company Code (Įmonės kodas) - a unique identifier assigned to businesses and entities upon registration with the Register of Legal Entities of the Republic of Lithuania.	123456789	The length of the code may vary - 9 or 12-digit number.
Luxembourg	Company registration number (Matricule or RCS Number) - assigned to businesses upon registration with the Luxembourg Trade and Companies Register.	B123456	"B" could represent a prefix indicating the type of company. "123456" is the unique numerical identifier assigned to the company.
Malta	Company Registration Number - assigned to businesses and entities upon registration with the Malta Business Registry.	C12345	"C" could represent a prefix indicating the type of company (e.g., "Limited" or "Public Limited Company"). "12345" is the unique numerical identifier assigned to the company.
Netherlands	Company registration number (KvK-nummer or Chamber of Commerce Number) - assigned to businesses upon registration with the Chamber of Commerce.	12345678
Norway	Organization Number (Organisasjonsnummer) - assigned to businesses and entities upon registration with the Brønnøysund Register Centre, which is the central register authority in Norway.	123456789
Poland	Company registration number (KRS Number) - assigned to businesses and entities upon registration with the National Court Register.	0000123456	"0000" represents the code of the court responsible for the registration. "123456" is the unique registration number assigned to the company.
Portugal	Tax Identification Number or Corporate Identification Number (Número de Identificação de Pessoa Coletiva (NIPC)) - is assigned to businesses and entities upon registration with the Portuguese Tax Authority and the Commercial Registry.	123456789	The NIPC consists of a sequence of 9 digits. The first digit usually indicates the type of entity (for example, '5' is often used for corporations, '6' for public entities, etc.).
Romania	Unique Registration Code (CUI) - is assigned to businesses through the National Trade Register Office (Oficiul Național al Registrului Comerțului, ONRC).	RO123456789	The CUI consists of a sequence of digits. It typically starts with a non-zero digit and is followed by several other digits, with the total length usually being between 2 to 10 digits.
Slovakia	Identification Number (Identifikačné číslo osoby (IČO)) - assigned to legal entities, including companies, upon registration with the relevant authorities.	12345678	The length of the code may vary.
Slovenia	Registration Number (Matična številka) or Registration Number of Legal Entities (Matična številka pravne osebe) - assigned to businesses and entities upon registration with the AJPES (Agencija Republike Slovenije za Javno Pravne Evidence in Storitve), the Agency of the Republic of Slovenia for Public Legal Records and Related Services.	12345678	The length of the code may vary.
Spain	Tax Identification Code (Código de Identificación Fiscal (CIF)) - assigned to businesses and entities upon registration with the Spanish tax authorities.	A12345678	"A" is the prefix indicating a corporation. "12345678" represents the unique numerical identifier assigned to the company.
Sweden	Organization Number (Organisationsnummer) - assigned to businesses and entities upon registration with the Swedish Companies Registration Office (Bolagsverket).	1234567890	The length of the code may vary.
United Kingdom	Company House Number - a key identifier for registered companies in the UK.	12345678	The number can contain letters.