Subsystems lists services and service descriptions offered by organisations that have joined the Data Exchange Layer. A subsystem is used to provide services through the Data Exchange Layer and connect systems that are used for consuming services to the Data Exchange Layer.

If you wish to implement a service that is listed in the API Catalogue, read our instructions on implementing services and contact the service provider.

2 subsystems
  • The Business Information System BIS ("YTJ" in Finnish)

    The Business Information System BIS ("YTJ" in Finnish) is a service jointly maintained by the Finnish Patent and Registration Office (PRH) and the Finnish Tax Administration.
    • PDF
    • XLSX
    • WSDL
  • Trade Register Information Service

    The Finnish Trade Register is an official and public register of companies, businesses, housing companies and tenant-owners' societies. The Trade Register details are available from the PRH Virre Information Service. Through the Virre interface, you can search for information by Business ID.
    • PDF
    • ZIP
    • WSDL
You can also access this registry using the Subsystem (see API Docs).