Paris-Marne-la-Vallée, France

16 March 2026

Develop your investments, innovation and outlook in Green Cities  

Immerse yourself in a dynamic environment dedicated to advancing Green City solutions:

  • Exchange with the most active venture capital and corporate investors.
  • Engage with select companies in different tech tracks.
  • Benchmark your technology and investment outlook with experts.
  • Discover the innovation ecosystem of the French Tech Community Marne-la-Vallée, Cité Descartes.

Event Highlights

36

Selected Companies

40+

Seasoned Investors

100+

One2One Meetings

Tech Tracks

Urban Development and Management

Urban Energy

Sustainable Construction

Built Environment Decarbonisation

Mobility and Accessibility

Healthy Urban Neighborhoods

Hear from our Participants

See why industry leaders keep coming back year after year.

“A heartfelt thank you to you and the entire team for organizing such a flawless and inspiring GreenCity Investment Forum. The quality of the participants, the speakers, and the overall energy truly stood out — it was a real privilege to be part of it.”

Eléonore Windisch
Partner, Real Estate & Construction Lead
act.on

“Congratulations on organizing the Tech Tour GreenCity 2025 — a great event! We had meaningful discussions with companies, investors, and public entities.”

Sylvain Bogeat
Founding Partner
Vestack

“Thank you for the excellent organization and hosting of the event. It was a valuable opportunity that contributed meaningfully to the development of our start-ups.”

Marc Mingucci
Secretary General
Filiater

Join the Journey

Get your
Pass

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to Pitch

Join as
Expert

Host
Pass

*For media representatives, please fill out this registration form to request a media pass for the event.

Host Pass

The participation fee is waived for the selected French companies and the invited guests of DDI and La French Tech.

Please register HERE. Your registration shall be reviewed and approved by us before it is confirmed.

If you would like to apply to pitch your company at the event, please click here.

 

Timeline

.
  • 25 November 2025 – 2 February 2026
    Company application period
  • 27 February 2026
    Company selection announced
  • 4 March 2026
    Selected Companies meeting and Online Academy
  • 16 March 2026
    Event in Paris

Hosts

ddi
uni

Bronze Partners

Supporting Partners

Still Have a Question?

Explore our FAQs for quick answers and detailed information about the program HERE.

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