OneStream Close Up 2025
We are hosting the OneStream Close Up for our customers and finance professionals who (want to) work with Onestream solutions.
On Thursday, September 25, during the OneStream Close Up, we will once again dive in depth with finance professionals. We'll show you how to get the most out of OneStream, transforming the consolidation solution into the intelligent, strategic heart of your department. Expect an afternoon full of smart use cases from our experts and open conversations about how to apply theory in practice.
Interesting to you?
This event is of interest to users or those interested in OneStream solutions, such as:
- Managers Reporting & (Group) Controllers
- Business & Financial Controllers
- Tax Directors & Tax Accountants
- IT Managers & OneStream Administrators
- Finance Managers
Details
- Date: Thursday, September 25, 2025
- Time: 1 p.m.-5 p.m.
- Location: Finext office, Delft
- Investment: free of charge
- Language: English
The program during the OneStream Close Up 2025
Welcome & coffee
Opening by Finext
Opening by Finext's chairman of the day - why this Close Up and what can participants expect?
Keynote speaker - Ballast Nedam
An inspiring story of an organization deploying OneStream in an innovative way - including challenges, lessons learned and concrete results.
Coffee Break
FP&A optimization: how to leverage your OneStream application
Leverage the full potential of your OneStream platform with a future-proof FP&A dashboard developed by Finext. Discover how to bring flexibility, transparency and actionable insights to your planning process. This session will show you how to elevate FP&A from static reporting to strategic insight.
ESG under control: shape your taxonomy with OneStream
ESG reporting is here to stay, and OneStream is ready for it. Learn how to translate ESG requirements into structured, auditable reports using the EU Taxonomy and OneStream's platform capabilities. Get practical insights to prepare your organization for CSRD and beyond.
Narrative reporting - best practice for reporting decks
Take planning to the next level with advanced functionality in OneStream. This session shows how narrative reporting can turn complex numbers into clear, impactful communications for executives. Learn best practices for creating reports that inform and inspire.
Networking drinks & snacks
Close with fellow professionals and Finext consultants - over drinks and bites.

Maarten Schonlau
Director of Corporate Accounting and Reporting
Since 2023, Maarten has been leading his team in the optimal use of OneStream for his organization