Ambitious by nature
Driven by creativity
Thrilled by innovation



The strategic and creative agency dedicated to brands.

As an agency dedicated to brands, W has been at their side for over 20 years. From this close collaboration, we have forged a common conviction: a new vision of marketing and communication must develop. We call this virtuous approach for companies and society CONTRIBUTING®.

CONTRIBUTING® means recognizing that marketing and the era of “more” have had their day, but that on the other hand, the depression of a world on a diet (consuming less, not traveling, no longer buying pleasure, etc.) is not a satisfactory answer.

We see in brands the engine of a positive contribution capable of re-enchanting the world in a different way. More than ever, they are levers of change and pride for the company’s employees, emotional links and reference points for their audiences, and growth drivers for markets and shareholders.

Brands surround us, make us think, laugh, vibrate, dream, and sometimes open new paths. Our role is to continue to be at their side to guide them and help them to be part of their time and at the heart of conversations.

CONTRIBUTING® is a new art of branding that is being invented and that will continue to be built together.


Our Purpose

W is a strategic and creative agency whose raison d’être is “to help companies, through their brand, to develop and transform themselves for the common good”.

Our Specialties

Brand strategy – Branding – Change management – Design – Brand Content – Social Media – Digital – Advertising – Events – Editorial – Architecture – Retail – Internal communication – Production.

Our Plus

A positive vision of the future, a commitment to society and to brands without fatalism and by federating a maximum of active, enthusiastic and competent contributors.

A unique business model in France based on 3 areas of expertise: branding, architecture and advertising & content.

Integrated production: Print, Digital, Video, Architecture (Walter: 100% W subsidiary), Event (with Havas Event).

20 Years > 150 Employees

Egapro professional gender equality index: 94/100
Gender pay gap indicator: 34/40
Indicator of the gap in the rate of pay rises between women and men: 35/35
Indicator % of female employees receiving a raise in the year following their return from maternity leave: 15/15
Indicator number of employees of the under-represented gender in the 10 highest paid: 10/10


Find below the agency’s management

  • Gilles Deléris

    Gilles Deléris

    Owner and Creative Director

  • Denis Gancel

    Denis Gancel

    Founder and President

  • Catherine Million Parmentier

    Catherine Million Parmentier

    CFO and head of HR

  • Martin Piot

    Martin Piot

    Vice president

  • Charlotte Fessou

    Charlotte Fessou

    Director of Global Image and Development

  • Estelle Mège

    Estelle Mège

    Head of Architecture

  • Grégoire Weil

    Grégoire Weil

    Head of Communication, Digital and Content

  • Valentin Baumont

    Valentin Baumont

    Executive Creative Director

  • Paul Groves

    Paul Groves

    Executive Creative Director

  • Sonja König

    Sonja König

    Creative Director Retail

  • Anaïs Guillemané

    Anaïs Guillemané

    Deputy Director of Strategic Planning

  • Pascal Leturcq

    Pascal Leturcq

    Director of Operations WALTER

  • Cyril Champaud

    Cyril Champaud

    Deputy General Manager

  • Marguerite de Lacharriere

    Marguerite de Lacharriere

    Director of Operations

  • Sophie Falcoz

    Sophie Falcoz

    HR & GS Manager

  • Guillaume-Ulrich Chifflot

    Guillaume-Ulrich Chifflot

    Advertising Digital & Content Creative Director


  • L'Assurance Maladie
  • Avril
  • Boulanger
  • McDonalds
  • Peugeot
  • Roland Garros
  • Martell
  • Altarea Cogedim
  • Auchan
  • Michelin
  • TF1
  • Accor
  • Gecina
  • RTE
  • Valrhona
  • Maif