NS One NS One
Bâtiment Oslo - Les Fjords
19, avenue de Norvège - ZA Courtaboeuf 1
91140 Villebon sur Yvette - FRANCE
Tél. : +33 (0)1 69 59 12 00
Fax : +33 (0)1 69 59 12 05

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The successful deployment of its solutions to users is the priority of NS One. Thanks to the expertise and competence of its teams, NS One offers to its customers the best service to support them in all phases of their project.

The experts responsible for telephone support are available from Monday to Friday, 9:00 AM to 6:00 PM by telephone at: +33(0) 892 701 278 or by e-mail: support[at]


NS One has created an intra-company training program that is delivered by NS One experts in these solutions.


Ils nous ont fait confiance


Ag2r, AvBank, Axa Banque, Azur Assurance, Banque de France, Banque Populaire, BFT, BNP, Caisse d’Epargne, Crédit Agricole, Crédit Coopératif, Crédit Mutuel, GMF, HSBC, ING Direct, La Banque Postale, Macif, MMA, Société Générale, Sofinco,...