# Chamber of Commerce business register

Who is behind a company or foundation? Searching the website is free; the API needs a key and charges per request.

- Publisher: Kamer van Koophandel
- Area: Netherlands · Finest detail: company
- Period: heden · Refreshed: daily
- Access: Paid · Licence: Voorwaarden KvK
- Join keys: KvK-nummer, RSIN
- Status: grijs
- URL: https://developers.kvk.nl

## What can you do with it?
- **Who is behind a foundation?.** Look up directors and address. Useful in grant research.
- **Network of companies.** Find which companies share a director or address.

## Interesting combinations
- Which organisations get grants from several municipalities? → [ams-subsidies](http://localhost:3471/en/bron/ams-subsidies.md) via naam → KvK-nummer. Convert names from grant registers to company numbers; only then can you merge registers reliably.

## Similar sources
- [OpenKvK en commerciële diensten](https://www.kvk.nl): Repackaged KvK data, often with network views, usually paid.