Data description

Which data?

The meta-data for all FIRMBACKBONE data can be found in the ODISSEI data portal.

Currently data comprises:

• Corporate Register on all Dutch Entities
  • KVK handelsregister Dec. 2023
  • KVK handelsregister Feb. 2024
  • KVK handelsregister Feb. 2025 (forthcoming)
  • KVK handelsregister Sept. 2025 (forthcoming)
• Employment Data on all Dutch Entities
  • LISA 2019-2022
  • LISA 2023 (forthcoming)
• Annual Financial Data
  • Annual reports 2022 (forthcoming)
  • Annual reports 2023 (forthcoming)
• Webscrape from websites
  • May 2024 (forthcoming – short term: FIRMBACKBONE provided indicators, longer term: ability to create your own indicators)
  • Feb. 2025 (forthcoming – short term: FIRMBACKBONE provided indicators, longer term: ability to create your own indicators)

Data access and management

• Find access procedures here
• The management is further described here

More in-depth analyses

We have conducted more descriptive analyses on the data. These can be found here.

• Panel and Cross-Sectional Statistics (pdf)
  • Using KVK 2024 and LISA data
  • by Wolter Hassink, Rutger Schilpzand, Peter Gerbrands, Nicola Sabatini.
  • last updated: 10/03/2025
• Employment data characteristics (2019-2022) (pdf)
  • Using LISA 2019-2022
  • by Wolter Hassink, Rutger Schilpzand, Peter Gerbrands, Nicola Sabatini and Jannes Ganzevoort
  • last updated: 21/04/2025