brreg
brreg — an installable skill for AI agents.
By reason-machines · 1,367 installs
npx skills add reason-machines/trending-skills --skill brreg
Source repository · Upstream listing
Norwegian Business Registry (Brreg)
Skill by [ara.so](https://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
Key Endpoints
Search Companies (Enheter)
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
Search Sub entities (Underenheter)
Branch offices and departments:
Get Organization Forms
List all valid organization types:
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:
Bulk Downloads
Complete datasets (updated nightly ~05:00 AM):
Format URL
JSON (gzipped) https://data.brreg.no/enhetsregisteret/api/enheter/lastned
CSV https://data.brreg.no/enhetsregisteret/api/enheter/lastned/csv
Excel https://data.brreg.no/enhetsregisteret/api/enheter/lastned/regneark
Example Queries
Find all AS companies in Oslo with 50+ employees
Search for tech companies
Find companies registered this year
Get all subsidiaries of a company
Response Format
Responses are in HAL+JSON format with embedded containing results and page containing pagination info:
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
Official API docs: https://data.brreg.no/enhetsregisteret/api/dokumentasjon/en/index.html
OpenAPI spec: https://raw.githubusercontent.com/brreg/openAPI/master/specs/enhetsregisteret.json