Search

Enter your search term above to start a search.

Your search query returned no results.

No results found. Try again with the following tips:

Check your spelling
Rephrase your search query
Make your search query shorter
Make sure your search query is longer than 2 characters.

IDEA unites the 60+ best Dutch agencies in live communication.

For agencies
- IDEA membership & quality mark
Office
- Bisonspoor 3002-B509
  3605 LT Maarssen
Contact
- info@ideaonline.nl
- 0348-753743

© 2026 IDEA
General terms and conditions
Cookie policy
Privacy statement
Disclaimer

Custom website by Omelette du Fromage

Download Sustainability Ladder for Business Events (DLZE)

The first version of DLZE was developed by: Green Events, IDEA and The Groundbreakers. DLZE is a tool to make business events with more than 250 attendees fossil-free, circular and inclusive. DLZE is (not yet) certifiable. DLZE can be applied in combination with a CO₂ e-calculation tool to substantiate the achieved level.

Download DLZE