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A question about a report, an invoice, the methodology or your data? Write to us. We reply within 24 working hours for ordinary questions, and within the legal time limit of one month for requests relating to personal data.
By email
This is the fastest route, including for a complaint, a refund request, or the exercise of your rights of access, rectification and erasure. Please state the email address of the account concerned so that we can identify you without asking you for proof of identity.
Postal address
7 rue du Levant, 93100 Montreuil, France
You have a project
Describe your need in a few lines: we answer honestly, including when the answer is that it is not for us. When a specialised partner agency serves your case better, we refer you to them rather than taking on the assignment.
Last updated: 24 August 2026