adisinghstudent Norwegian Business Registry (Brreg)
Access the official open API from Brønnøysundregistrene to search and retrieve data about all registered companies in Norway.
When to Use
- When the user asks about Norwegian companies
- When searching for company information in Norway
- When looking up organization numbers (organisasjonsnummer)
- When finding companies by name, location, industry, or other criteria
- When checking company status (bankruptcy, dissolution, etc.)
API Base URL
https://data.brreg.no/enhetsregisteret/api
Key Endpoints
Search Companies (Enheter)
curl "https://data.brreg.no/enhetsregisteret/api/enheter?navn=SEARCH_TERM&size=20"
Common parameters:
| Parameter | Description |
|---|---|
navn |
Company name (partial match) |
organisasjonsnummer |
9-digit org number (comma-separated for multiple) |
organisasjonsform |
Organization type: AS, ENK, NUF, ANS, DA, etc. |
naeringskode |
Industry code (NACE) |
kommunenummer |
4-digit municipality code |
postadresse.postnummer |
Postal code |
forretningsadresse.postnummer |
Business address postal code |
konkurs |
true/false - bankruptcy status |
underAvvikling |
true/false - dissolution status |
registrertIMvaregisteret |
true/false - VAT registered |
fraAntallAnsatte |
Minimum employees |
tilAntallAnsatte |
Maximum employees |
fraRegistreringsdatoEnhetsregisteret |
Registration date from (YYYY-MM-DD) |
tilRegistreringsdatoEnhetsregisteret |
Registration date to (YYYY-MM-DD) |
size |
Results per page (default: 20, max depth: 10000) |
page |
Page number (0-indexed) |
Get Company by Org Number
curl "https://data.brreg.no/enhetsregisteret/api/enheter/123456789"
Search Sub-entities (Underenheter)
Branch offices and departments:
curl "https://data.brreg.no/enhetsregisteret/api/underenheter?overordnetEnhet=123456789"
Get Organization Forms
List all valid organization types:
curl "https://data.brreg.no/enhetsregisteret/api/organisasjonsformer"
Common organization forms:
| Code | Description |
|---|---|
| AS | Aksjeselskap (Private limited company) |
| ASA | Allmennaksjeselskap (Public limited company) |
| ENK | Enkeltpersonforetak (Sole proprietorship) |
| NUF | Norskregistrert utenlandsk foretak (Foreign enterprise) |
| ANS | Ansvarlig selskap (General partnership) |
| DA | Selskap med delt ansvar (Shared liability partnership) |
| SA | Samvirkeforetak (Cooperative) |
| STI | Stiftelse (Foundation) |
Get Recent Updates
Track new registrations and changes:
curl "https://data.brreg.no/enhetsregisteret/api/oppdateringer/enheter?dato=2024-01-01T00:00:00.000Z"
Bulk Downloads
Complete datasets (updated nightly ~05:00 AM):
Example Queries
Find all AS companies in Oslo with 50+ employees
curl "https://data.brreg.no/enhetsregisteret/api/enheter?organisasjonsform=AS&kommunenummer=0301&fraAntallAnsatte=50&size=100"
Search for tech companies
curl "https://data.brreg.no/enhetsregisteret/api/enheter?navn=tech&size=50"
Find companies registered this year
curl "https://data.brreg.no/enhetsregisteret/api/enheter?fraRegistreringsdatoEnhetsregisteret=2024-01-01&size=100"
Get all subsidiaries of a company
curl "https://data.brreg.no/enhetsregisteret/api/underenheter?overordnetEnhet=923609016"
Response Format
Responses are in HAL+JSON format with _embedded containing results and page containing pagination info:
{
"_embedded": {
"enheter": [
{
"organisasjonsnummer": "123456789",
"navn": "Company Name AS",
"organisasjonsform": {
"kode": "AS",
"beskrivelse": "Aksjeselskap"
},
"antallAnsatte": 50,
"forretningsadresse": {
"adresse": ["Street 1"],
"postnummer": "0150",
"poststed": "OSLO",
"kommune": "OSLO",
"kommunenummer": "0301"
},
"naeringskode1": {
"kode": "62.010",
"beskrivelse": "Programmeringstjenester"
}
}
]
},
"page": {
"size": 20,
"totalElements": 150,
"totalPages": 8,
"number": 0
}
}
Notes
- API is free and open (NLOD license)
- No authentication required for public data
- Rate limiting may apply for heavy usage
- Results limited to 10,000 per query (use bulk downloads for complete data)
- Data updated continuously during business hours