brreg

Original：🇺🇸 English
Translated

Search and retrieve Norwegian company data from Brønnøysundregistrene (the Norwegian Business Registry). Access all ~1.2 million registered companies in Norway.

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npx skill4agent add aradotso/trending-skills brreg

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Translated version includes tags in frontmatter
norwegian-business-databrreg-apicompany-inquirybulk-data-downloadenterprise-data-retrieval

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Norwegian Business Registry (Brreg)

Skill by ara.so — Daily 2026 Skills collection
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)

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?navn=SEARCH_TERM&size=20"
Common parameters:
ParameterDescription
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

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter/123456789"

Search Sub-entities (Underenheter)

Branch offices and departments:
bash
curl "https://data.brreg.no/enhetsregisteret/api/underenheter?overordnetEnhet=123456789"

Get Organization Forms

List all valid organization types:
bash
curl "https://data.brreg.no/enhetsregisteret/api/organisasjonsformer"
Common organization forms:
CodeDescription
ASAksjeselskap (Private limited company)
ASAAllmennaksjeselskap (Public limited company)
ENKEnkeltpersonforetak (Sole proprietorship)
NUFNorskregistrert utenlandsk foretak (Foreign enterprise)
ANSAnsvarlig selskap (General partnership)
DASelskap med delt ansvar (Shared liability partnership)
SASamvirkeforetak (Cooperative)
STIStiftelse (Foundation)

Get Recent Updates

Track new registrations and changes:
bash
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):
FormatURL
JSON (gzipped)https://data.brreg.no/enhetsregisteret/api/enheter/lastned
CSVhttps://data.brreg.no/enhetsregisteret/api/enheter/lastned/csv
Excelhttps://data.brreg.no/enhetsregisteret/api/enheter/lastned/regneark

Example Queries

Find all AS companies in Oslo with 50+ employees

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?organisasjonsform=AS&kommunenummer=0301&fraAntallAnsatte=50&size=100"

Search for tech companies

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?navn=tech&size=50"

Find companies registered this year

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?fraRegistreringsdatoEnhetsregisteret=2024-01-01&size=100"

Get all subsidiaries of a company

bash
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:
json
{
  "_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

Documentation