Development of custom digital tools to optimize your business
Boost your productivity with a digital solution tailored to your activity and make the best decisions.
- Win time
- Automate your process

They trust us
Many companies trust us with their digital projects.
What if the next one was you?
Custom Web Development Agency
In an increasingly digital world, having an online presence has become crucial for any company looking to grow. That’s why we offer highly specialized custom web development services. But why choose a dedicated agency and what concrete benefits can you expect?
Advantages of a specialized custom web development agency
Adaptability to each client's unique needs
Every business has specific needs depending on its industry, goals, and target audience. We take the time to analyze these different aspects to offer a personalized and effective solution. Unlike standardized solutions, custom web development allows for:
- A user interface tailored to your brand
- Custom features based on your requirements
- A scalable architecture that can easily adapt to future needs
Access to qualified experts
Working with us means benefiting from the expertise of seasoned professionals. Our web developers have broad skill sets covering various programming languages, frameworks, and technologies, including:
- HTML/CSS/JavaScript for responsive user interfaces
- PHP, Python, or Node.js for server-side development
- SQL and NoSQL databases for data management
- Skills in UX/UI design for optimal user experience
Different specializations in web development
Front-end development
Front-end development covers everything the user sees and interacts with on a website. We use advanced technologies to ensure a smooth and visually appealing user experience. Key tasks in this specialization include:
- Creating interactive designs
- Optimizing display across devices (responsive design)
- Integrating multimedia content to enhance your online presence
Back-end development
If the front-end is your site’s storefront, the back-end is its engine. This is where all complex processes powering your web application take place. Our experienced back-end developers work on:
- Server architecture
- Database management and manipulation
- Integration of APIs and other external services
Full-stack development
Some projects require skills in both front-end and back-end. In such cases, a full-stack approach is recommended. Our full-stack developers can design and manage all technical aspects of your project, ensuring perfect harmony between design and functionality.
The steps of our custom web development process
Needs analysis and specifications
Before anything is built, an in-depth analysis phase is essential. During this stage, our experts carefully listen to client needs, examine competitors, and define clear goals. A detailed specifications document is then created to guide the entire project.
Prototyping and design
To provide an initial visual representation of the future site, an interactive prototype is created. This prototype validates aesthetic and functional choices before the development phase and facilitates client feedback through a tangible representation of their expectations.
Development and integration
This stage involves turning the approved prototype into a functional website. Our developers integrate the necessary technologies, ensure component compatibility, and make sure everything works smoothly. They work on:
- HTML content structure
- CSS styling to make the site visually appealing
- JavaScript scripts for dynamic interactions
- Content Management System (CMS) integration if needed
Testing and adjustments
No launch should happen without a thorough testing phase. Our developers work closely with testers to identify and fix bugs or security flaws. End users must also be able to navigate the site without any major issues.
Maintenance and updates
A website is never static—it needs to evolve over time. One of the advantages of working with us is the ongoing support we provide. Beyond the initial launch, we ensure maintenance and perform necessary updates to maintain performance and security over the long term.
Why choose our agency for your web and mobile projects?
Thorough studies before each project
We don’t just deliver a finished product. Every collaboration starts with a strategic study to understand your challenges and offer truly tailored solutions.
Personalized support at every stage
From drafting specifications to production, including maintenance, we offer personalized follow-up. You’ll always have a clear view of your project's progress and can make necessary adjustments along the way.
Cutting-edge technology and innovation
Our team is proficient with the latest technologies, ensuring ongoing performance optimization. Whether it’s SEO, loading speed, or security, every aspect is taken into account so your site is both attractive and high-performing.
Excellent communication and transparency
Ongoing communication is key to a project’s success. Through emails, regular meetings, and collaborative tools, you're informed in real-time about project progress. This fosters total transparency and builds strong, trust-based relationships.
Additional considerations for the success of your digital projects
Importance of SEO from the start
Integrating SEO from the design phase is vital for your site’s search engine ranking. With custom development, every technical aspect is optimized to boost your online visibility—from URL structure to meta tags and loading speed.
Enhanced security
Data security is a major concern for all businesses. Custom web development allows for robust security measures tailored to your needs, protecting sensitive information from threats such as cyberattacks or security breaches.
Scalability and flexibility
As the number of online users grows, your needs may evolve quickly. Custom development offers greater flexibility to adapt your site or application to new market demands. Whether it’s new features, traffic volume, or storage capabilities—your infrastructure will be ready to meet any challenge.
A custom-made interface to meet your needs

Our solutions
We develop high-performance and scalable software solutions tailored to your needs
Book an appointmentOur solutions
We develop high-performance and scalable software solutions tailored to your needs
Book an appointmentSolutions for every reality
At Quai des Balises, we don’t believe in one-size-fits-all solutions. Every project is born from a unique need, a context, a profession. That’s why we support diverse profiles, with the same commitment: to design tools that reflect them.
Case Studies
We develop high-performance and scalable software solutions tailored to your needs.
Bringing your ideas to life

Our commitments to
your project
Custom approach
Software designed for your specific needs
Fast and efficient
Thanks to agile development and methodology
Intuitive tools
Because technology must serve people
Innovation and security
Reliable and scalable solutions, future-proof
We are already passionate about your project
A team of experts ready to help you succeed.

Our clients say it best
- 5 /5
When you decide to work with us, you choose
When you decide to work with us, you choose
Your project in 7 steps
By choosing our agency, you are opting for a team dedicated to the success of your project, combining technical expertise, approach personalized and ongoing commitment to ensure your satisfaction and success of your digital tools.
Céline Desrumaux
Responsive and available, François and David are attentive to the smallest details to create a tailor-made project corresponding to the customer wishes. They also put themselves at the level of the uninitiated customer in order to explain the whole of the project.
Our industry expertise

Our commitments for
your project
Designed for your industry
A tailored solution to support your growth
Efficiency & automation
Powerful tools to automate your tasks
Real-time insights
Clear data to manage your projects
Guaranteed scalability
A flexible solution to grow alongside your business