paris solidaire

At TIER, we know that transport costs may become an obstacle to mobility and employment as well. To offer a more inclusive and fair mobility, TIER launches its “Paris Solidaire” solution available to people who benefit from “Tarification Solidarité Transport Ile de France Mobilités” in Paris. Paris Solidaire users benefit from free unlocks and 0,15€/minute during 30 days with proof of benefitting from the “Tarification Solidarité Transport Ile de France Mobilités” issued within the past three months. This initiative is renewable.

How to Apply?

  1. Make sure you benefit from “Tarification Solidarité Transport Ile de France Mobilités”. To do so, please visit www.solidaritetransport.fr
  2. Once verified, fill in the information requested below and don’t forget to download the TIER application, indicating the same mobile phone number as when you applied.





    Please provide the same phone number you used when registering in the TIER app.



    1. Our customer service will process your request and get back to you within the next 2-3 working days. Once validated, you will be able to enjoy your Paris Solidaire program.

    For more information, you can contact our customer service at the following number: + 33 186 76 72 83 Within the framework of this program, TIER will process some of your data in order to determine your eligibility to Paris Solidaire. For more information and to learn more about your privacy rights, please read our Privacy Policy.