Open data

How to use the PRH open data

Use the API: Finnish Business Information System interface to add basic details of companies from the Finnish Business Information System at ytj.fi to your application.

Please note the following:

• You will only get access to details of companies registered or pending at the Finnish Trade Register.
• Details of private traders are not available.
• Email addresses and phone numbers are not included in the company details.

See the company forms at the Finnish Trade Register.

The data are digital and available free of charge. The data are updated once a day.

Mention the original source. Services based on the data are not allowed to use the PRH or Finnish Business Information System logos, or in some other manner mix up the services with the PRH’s services by using a similar layout.

The data are freely available as set out in the terms of the Creative Commons Attribution 4.0 International license.

The https protocol is used in the data, and the files are in Javascript Object Notation (JSON) format.