A Product Design & Development agency.
qui accompagne des TPEs/PMEs, des associations, des grands groupes, des startups et scale-up dans leurs besoins en design UX/UI & Développement numérique.

L'équipe 40/60 dans les bureaux de Paris
Our customers

Whether you are a start-up, an institution, an ETI or a large group

Our mission is to offer the best possible digital experience, whether for individuals or businesses. Regardless of the size of your company and your sector of activity, we collaborate with you in a spirit of partnership in order to offer important, ethical and responsible solutions

Our approach

From Paris to Nantes, much more than a design agency.

Collaboration is at the heart of our approach. We are close to the industrial sector and we particularly appreciate complex projects where understanding business issues is essential. Our approach is human, collaborative and resolutely focused on excellence. We support you from A to Z, from product strategy to UX and UI design, to development and marketing.

Your agency

The innovation agency to implement your projects.

The speed of technological developments, the complexity and changes in user habits are transforming our approach to interfaces and impacting businesses. We are convinced that it is by combining our skills and your knowledge that the greatest successes will be achieved.

We are committed to the success of each project.

+120 patrons

Accompanied on missions as diverse as varied.

They can range from user research, to interface or service design, to the development and launch of the product on the market.

Sometimes we intervene periodically, during a workshop or coaching. And other times our customers delegate the entire project to us to ensure its realization.

See our achievements
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Photo de l'équipe qui s'amuse

60% Of renewal

More than 1 out of 2 customers continue to work with us.

After an initial mission, our customers remain loyal to us and the collaboration continues.

+20 talents

And talents in solid gold!

Our multidisciplinary team consists of strategists, designers and developers.

Leo et Lou qui travaillent avec des post-it

Our collaborations successful

They loved the collaboration and loved the result.

5/5 étoiles de notation

“We have developed the first digital service for renting beer dispensers with delivery in 30 minutes and refrigerated. Pilot built and launched in less than three months thanks to the design thinking approach orchestrated by the Schoolab team and 40/60.”

Photo by Pierre from Heineken
Pierre Lorrant
‍ ‍ ‍ Product Owner at Heineken
5/5 étoiles de notation

“Our objective was to reinforce the value of our application and the agency was a great help in this mission. What I really appreciated during our collaboration was the agency's ability to understand our complex environment. They took the time to listen to our needs and to work closely with us to design meaningful changes that improved our product in a tangible way. Their commitment to our success was nothing short of incredible and we couldn't be more grateful for their contribution to our business.”

Photo of Nicolas from SNCF Tansilien
Nicolas Hiver
Product Manager at SNCF Transilien
5/5 étoiles de notation

“Dynamism, seriousness, listening while being in a climate of conviviality conducive to excellent exchanges”

Photo by Olivier from Stellantis
Olivier Sancier
Project Manager Media and Gaming
5/5 étoiles de notation

“A big thank you for the quality of your work! We are very happy with the result and especially with our collaboration to launch our product on the market!”

Photo of Ludovic from Allaw
Ludovic Stang
Co-Founder & CEO of Allaw
5/5 étoiles de notation

“The collaboration with the studio is excellent in every way! The agreement and exchanges with the studio teams are of very good quality, the work provided lived up to our expectations, and at an affordable price. Camille and her team know how, from sprint to sprint, adapt to our requests, produce numerous routes and alternatives to give us different perspectives. We are convinced that our collaboration, which started in 2019, is destined to last over time.”

Photo by Tomas from Simplonline
Tomas Simoni
Product Manager
5/5 étoiles de notation

“40/60 did a great job redesigning our marketplace. The impact of the redesign was real, with a 35% increase in the conversion rate after the redesign.”

Photo by Iris by Label Emmaus
Iris de Corlieu
Label Emmaüs Transition Manager
5/5 étoiles de notation

“I am eager to have worked with the 40/60 team to redesign the UX and UI of our application and website. The objective of our collaboration was ambitious, but their support, time, expertise and valuable advice allowed us to successfully complete our project.”

Photo of Marouane from ADN Data
Marouane El Gueddah
General manager
5/5 étoiles de notation

“What we preferred about our collaboration was 40/60's ability to adapt to our unusual business and to offer adapted solutions.”

Picture of Tanguy from Stokelp
Tanguy De Cottignies
President of Stokelp
5/5 étoiles de notation

The redesign of our platform has perfectly integrated the needs of users and the community, establishing a harmonious link between these two worlds. The goal of revitalizing the user experience was successfully achieved through an engaging user interface. The professionalism, creativity and responsiveness demonstrated fully met our expectations, within the initial framework defined at the beginning of the mission.

Photo by Lucile from Visiativ
Lucile Jaricot
Product Manager
5/5 étoiles de notation

“A team that listens and is professional. Extensive thinking to understand what exists and highlight areas for improvement in the user experience.”

Photo by Antoine de Mon Bureau D'Etude
Antoine Gouteix
Digital Web Development & Communication Manager
5/5 étoiles de notation

“The collaboration with 40/60 is warm! A young, dynamic and flexible team. A remarkable quality of exchange and real value proposals throughout the collaboration. We had the opportunity to work with a lot of partners, but despite the complexity of the project, 40/60 took up the challenge and was able to transform: our vision into reality.”

Photo by Toya from Yure
Toya Vertil
CEO
5/5 étoiles de notation

“We worked with 40/60 to improve the user experience of our dashboard and better understand the needs of our users. They took the time to understand our business and the expectations of our users, to offer us tailor-made solutions adapted to our needs. Thanks to them, we have succeeded in creating a user experience that is more intuitive and closer to our users. We highly recommend 40/60 for their professionalism, their competence and their sense of humanity.”

Photo by Christophe from Botmind
Christophe Chevalier
CEO
5/5 étoiles de notation

“Thanks to the 40/60 agency initiative, we have been able to design a revolutionary tool that will propel CND into a new era.”

Stéphane from NDT Manager's profile photo
Stéphane Graveleau
Technical Director - SREM Technologies
5/5 étoiles de notation

“The 40/60 team was able to immediately absorb our product philosophy to improve user journeys and produce mockups that we are gradually integrating into our application. The iterations were very fast; each time involving the right mix of ideas, concrete proposals and taking into account our feedback. More than a studio, 40/60 is a real partner for all design/product/UX themes with an ultra-dynamic, responsive and proactive team.”

Photo by Damien from Steerio
Damien Guery
Co-founder
5/5 étoiles de notation

“A team that listens and is professional. Extensive thinking to understand what exists and highlight areas for improvement in the user experience.”

Photo by Antoine from Mon Bureau D'Etude
Antoine Gouteix
CTO

Collaborate together

01

Research

Hollistic

A holistic approach

We work in multi-skilled teams, under participatory management, composed of designers and developers according to your needs.

Experts at your service

Our agency provides you with its versatile digital skills. Our teams are made up of strategists, designers and developers, working in harmony for your projects.

Workshop avec un client
02

Definition

Frame

To your users

One of our main objectives in order to ensure the sustainability of your business is the user experience. All our interfaces are designed to guarantee your product a loyal audience.

To your strategy

40% business-oriented, 60% product-oriented, our agency ensures that you make the right choices, both strategically and technically.

Workshop dans le bâtiment Cargo, là ou est héberge l'agence
03

Conception

Challenging and achieving

Design: a driver of innovation

For us, design is a real driver in strategy: we apply Design Thinking and Lean methodologies to guarantee innovative services.

Make a difference

Your courses are tested and retested by user panels to ensure their effectiveness. A way to design ourselves creatively, while maintaining ergonomic requirements.

Workshop avec notre client Yure
04

Tests

Multi-sectoral

Start-up & Corporate

We work with all types of companies, from start-ups setting up their concept to multi-nationals seeking to scale their services.

Products & services

We know how to design mobile applications as well as web applications, websites and Saas platforms, in sectors such as health, industry, sport, real estate, mobility, etc...

Deux personnes qui rient
05

Development

Collaborative

Thinking together

We share our knowledge and skills and you share your business knowledge and quotient challenge with us. Together we make decisions.

Your partner

We know how to design mobile applications as well as web applications, websites and Saas platforms.

développement et intégration web application
Photo polaroid de la vie d'agence de 40/60 avec des personnes qui sont heureusesPhoto polaroid de la vie d'agence de 40/60 avec des personnes qui sont heureuses

Our history

We have grown over the years to offer ever more innovative solutions. Today, 40/60, it is a team of more than +20 talents spread between Paris and Nantes that is delighted to create innovative user experiences

Photo polaroïd de l'équipe 40/60
Discover our history

Since 2016

The 40/60 agency year after year, illustrated in a project!

Discover the full story!
2023

A positioning Premium

We put the end user at the center of the creation process. The user research and testing phases being our fertilizer for the UX phase.

2022

Opening to Nantes

We are convinced of the virtues of co-creation with our customers. The combination of our expertise in digital issues combined with your business understanding is a strength on which we capitalize.

2020

Se reinventing After covid

We guarantee planning and budget control by orienting implementation towards the functionalities that create the most value.

2018

Les collab' that propels us!

Hard work and talented teams aren't enough to land a perfect product the first time. To reach this stage, it is necessary to test and improve and adopt an iterative approach.

2016

Creation of The agency

In 2016, 40/60 studio was born, driven by the ambition to merge design strategy and design. Together, our first flagship customer is Derichebourg, entrusting us with a large-scale project: from design service to UX/UI design, including IoT, a complete and exciting collaboration.

Our values

01.

The impact

We guide each solution with an impact-oriented vision, seeking to generate significant and lasting results beyond the initial design.

02.

The concrete

We transform creative ideas into practical solutions, thus anchoring our commitment to concrete realization.

Des équipes qui travaillent ensemble

03.

The human

At the heart of every design, we shape experiences that go beyond mere aesthetics to create connections with users.

04.

Support

Our attentive presence and our commitment allow us to guide our customers. 
through each stage of the creative process to achieve exceptional results.

The founders and the team

Photo de Camille Hautreux

Camille Hautreux

Founder -
Design & Product Director

Optimistic, Camille helps start-ups reach new heights and make their fundraising a reality.

Photo de Quentin Da Silva

Quentin Da Silva

Founder -
Innovation Director

Quentin, combining strategy and realism, shapes innovation strategies for major accounts, promoting collaboration through workshops.

Photo de Valentin Grandi

Valentin Grandi

Founder - 
Director of Operations

Valentin, charismatic and passionate, guides key account clients in the development of innovation projects and digital products.

Le bureaux de Paris
Séminaire d'entreprise
Selfie de Camille avec le reste de l'équipe

Our offices

Come and meet us in Paris or Nantes, where our teams are based and ready to collaborate hand in hand with you.

Want to join us?
It's happening here!

To apply for 40/60, we invite you to take a look at our Welcome To The Jungle page.

Logo Welcome to the jungle
Discover us