Leon Studio
Let’s talk!

Custom web development studio

Let’s build together your custom digital tool

Two fullstack developers designing and building useful, accessible and low-carbon web apps for startups, non-profits and independents who want to make an impact.

Let’s talk! See our work
  • Ruby on Rails & Hugo
  • Eco-design
  • End-to-end support

They trusted us

Our services

We help you turn your idea into a working tool

01

Test your idea

You want to validate a concept before going further.

  • Test your idea with a target audience
  • Collect user feedback to improve it

We develop your MVP (Minimum Viable Product), a simple and functional version designed to validate an idea quickly.

02

Strengthen your offering

You want to bring more value to your community or clients.

  • Create an online space to gather your users
  • Share your content and transfer your knowledge

We design a custom platform to strengthen your offering and make it more impactful.

03

Simplify your processes

You need to be more efficient in your daily work.

  • Automate repetitive tasks to save time
  • Structure and organize your content

We create web tools tailored to your needs to save you time and simplify your activities.

Web application from €3,000 excluding tax

Each project is the subject of a custom quote, according to the desired features.

Let’s talk!

Our work

Latest projects

See all projects →
Leon Desk

Leon Desk

  • Ruby on Rails

Our in-house Ruby on Rails tool to centralize and track our clients’ requests: bugs, new features, questions and maintenance.

Discover the project →
Albatros France

Albatros France

  • Ruby on Rails
  • Hugo

A Ruby on Rails web app digitalizing an orthotics and prosthetics specialist’s processes, plus a full redesign of its website with Hugo.

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My Baussant Conseil

My Baussant Conseil

  • Ruby on Rails

Internal software automating the drafting of mandatory regulatory reports for an investment advisory firm.

Discover the project →

Our approach

A simple, transparent process, from idea to launch

  1. 01

    Discovery call

    A free first meeting to understand your project, your users and your constraints.

  2. 02

    Proposal & pricing

    We send you a proposal: what we understood of your needs, the solution we recommend and its pricing.

  3. 03

    Scoping & mockups

    Once the proposal is approved, we co-write the specifications and key screens with you.

  4. 04

    Iterative development

    Regular check-ins and testable versions at every step: you stay in control of your project.

  5. 05

    Launch & support

    We deploy your app, train you to use it and stay available to help it grow.

The team

About us

Leon Studio is a team of fullstack developers with complementary skills. We develop applications that simplify daily life, are accessible and high-performing, and we are committed to minimizing their carbon impact.

Beyond developing your application, our diverse expertise lets us innovate with you and co-create your specifications alongside your future users, ensuring your solution perfectly fits your unique needs.

  • Accessible
  • Fast
  • Low-carbon
Marie D’Huyvetter Marie

Fullstack developer

Audrey Belliot Audrey

Fullstack developer

Testimonials

Our clients recommend us

Marie and Audrey are on top, whether it’s in terms of technique or responsiveness when I have questions, they often anticipate what I want before even finishing explaining things, really pro!! I recommend

Pascal Coaching Pascal Geindre, founder and fitness coach

A great collaboration for our new website and web application! Thank you for your attention, your availability, and your involvement. You took the time to understand our business and our needs, with simple and warm exchanges. A beautiful result and a real relationship of trust!

Albatros France Claire Le Fur, Managing Director

Audrey and Marie accompanied us in creating an application allowing us to automate the creation of our written reports. We now save valuable time! Listening to needs and professionalism: we are particularly satisfied with their support.

Baussant Conseil Pascale Baussant, Managing Director

Excellent work from the Leon Studio team who led the development of my platform in just a few weeks. Regular and precise briefs for a result largely up to my expectations and welcomed by my clients. Available, attentive and technically very qualified.

Patrivio Romain Reix, founder

Marie is a remarkable full stack Ruby on Rails developer: professional, reliable, responsive and also very pleasant to work with. A recent collaboration, but already an excellent one!

Richart Gautier Richart, Managing Director

Leon Studio played an important role in designing our Ruby front end, with a very professional result. Commitment, rigor and responsiveness: we highly recommend them.

Flexus Julien Loron, founder

On video

“Why an app?” Pascal, from Pascal Coaching, answers

A video testimonial about his project, from the initial idea to an app his clients use every day.

Video in French

See the Pascal Coaching project →

FAQ

Your questions, answered

How much does a custom web app cost?

Our web apps start at €3,000 excluding tax. Every project gets a detailed quote based on the features you need, after a free, no-commitment first call.

How long does it take to build my project?

It depends on the scope: a few weeks for a website or a first version (MVP), longer for a full business application. The schedule is set out in our proposal, and you follow progress through regular testable versions.

I only have an idea, is it too early to contact you?

Not at all! We can help you clarify your needs and co-write the specifications with your future users, then start with an MVP to test your idea quickly.

Can you work on an existing tool?

Yes. We also improve tools already in place, for which we build tailor-made features.

Which technologies do you use?

Ruby on Rails for web apps, also available on mobile (Progressive Web App), and Hugo for lightweight, fast static websites. We favor accessible, fast and low-carbon solutions.

What happens after launch?

We train you to use your tool and stay available to help it evolve as your needs grow.