React Agency
We build your interfaces in React: business applications, dashboards, client portals. Reusable components rather than a stack of pages written one at a time.
Build your application with React
React is a library created by Facebook and released as open source in 2015. Netflix, Airbnb and Meta have been running it in production for years, which gives you a solid longevity guarantee when you start a project today.
The core idea: you break the interface into reusable components. A button, a table or a complex form become building blocks you compose once and maintain in a single place. For the team, this translates into real speed gains on projects that last.
For the user, rendering is fast: you navigate between views without reloading the page, and only the zones that change are updated. The experience gets close to a native app. It's ideal for the interfaces of SaaS applications and business software.
React solutions adapted to each context
A startup wants to develop a performant business tool for its sales teams.
A React application with interactive dashboard, lead management, real-time data visualization and offline synchronization.
An institution wants to modernize its internal portal with a fluid and intuitive interface.
A complete React redesign with reusable components, accessibility compliance and integration with existing systems.
An SME wants to create a SaaS software for its industry.
A complete React application with authentication, multi-tenant management, customizable dashboards and RESTful API.
An association needs a modern and reactive event management platform.
A React interface with interactive calendar, online registration, real-time notifications and personalized member portal.
What we hold to on a React interface, from how components are split to how they age.
Documented components
Buttons, tables and forms live in a single component, edited in one place instead of forty.
Bundle under control
We watch the weight of the JavaScript we ship and lazy-load whatever isn't visible on first paint.
Long lists
On tables that keep growing, we switch to virtualisation (react-window) so the DOM doesn't expand endlessly.
Code quality
TypeScript and unit tests on the components that carry logic, not on the coloured badges.
Accessibility
Keyboard navigation and ARIA roles checked on our components: our team is Opquast-certified.
Server data
Data caching goes through React Query rather than a global state nobody can untangle later.
Client-side when it helps
Client rendering isn't automatic: on public pages we move to Next.js for search visibility.
5 years of experience
Deep expertise in React and its ecosystem.
Concrete custom development achievements
Identify levers to strengthen farm autonomy
An extranet to centralize all information and documentary resources
Offer a mortgage simulation that matches real lending conditions
Provide tools to master energy consumption
Carry out genomic sequencing projects
Identify levers to strengthen farm autonomy
An extranet to centralize all information and documentary resources
Offer a mortgage simulation that matches real lending conditions
Provide tools to master energy consumption
Carry out genomic sequencing projects
Identify levers to strengthen farm autonomy
An extranet to centralize all information and documentary resources
Offer a mortgage simulation that matches real lending conditions
Provide tools to master energy consumption
Carry out genomic sequencing projects
How we use React on your projects.
We start from the design, spot the elements that repeat (buttons, inputs, cards, tables) and isolate them into documented components. Each one has a clear behaviour, well-defined props and tests where relevant. When the UI needs to change, we edit one place, not forty.
Client-side rendering lets you switch views without reloading, but it's not always the right answer. On public pages, we lean on server-side or static rendering (Next.js) for SEO and first-paint speed. Inside the app itself, we stay client-side for reactivity.
The Virtual DOM does part of the work, not all of it. We watch the bundle size, lazy-load what isn't needed on first paint and memoize expensive computations. On long lists, we switch to virtualisation (react-window) to keep the DOM from growing without bounds.
What React actually brings to your project.
React lets you ship interfaces that behave like native apps: instant navigation, targeted updates, responsive interactions. It's especially noticeable on business tools used all day long.
The ecosystem around React is mature. For data fetching (React Query, SWR), forms (React Hook Form), or ready-made components (MUI, Mantine), there are proven libraries that spare you from reinventing the wheel.
The same React know-how carries over to mobile through React Native. A team that masters the web can ship iOS and Android apps without starting over.
What you get from React, in practice:
Targeted rendering via the Virtual DOM, built for interactive UIs
A broad community and a library ecosystem that stays active
Used in production by Meta, Netflix, Airbnb and many others
React Native to cover iOS and Android with the same logic
Clear official documentation and strong debugging tools
Reusable components that speed up future changes
Ready to get started?
From scoping to prototype, to AI integration.
We support your business software projects from start to finish.