# CVR — Business Registry API

Central Business Register API giving machine access to all Danish companies, CVR numbers, ownership, and industry codes.

## Access profile

| Field | Value |
| --- | --- |
| Category | API |
| Sector | Government |
| Access type | Direct |
| Auth required | API Key |
| Reliability | Stable |
| Official | Yes |
| Status | active |
| Agent can | read, search |

## Links

- Website: https://datacvr.virk.dk
- Docs: https://data.virk.dk/datakatalog/erhvervsstyrelsen/company-information
- Directory entry: https://agentaccess.dk/cvr-api

## About

The CVR API from Erhvervsstyrelsen (Danish Business Authority) exposes the full Danish business registry via Elasticsearch-compatible REST endpoints. Access company data, P-numbers (production units), owners, board members, industry classifications (DB07), and historical records. Includes active and dissolved companies.

## Agent use cases

- Look up a company by CVR number to verify existence
- Find all companies associated with a specific owner or director
- Enrich supplier records with industry codes and status
- Build ownership graphs from CVR relationship data
- Monitor company status changes and board updates
- Due diligence automation for onboarding flows

## Notes

Free API access via virk.dk — registration required. Full historical data available. Elasticsearch query syntax. Rate limits undocumented but generous.

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Source: [AgentAccess](https://agentaccess.dk/) — directory of agent interfaces for Denmark.