Development of your custom web application

Design a tool that's perfectly aligned with your processes, your users, and your business objectives. No frills, just an app that does exactly what you need.

  • Simplify your daily life
  • Drive in real time
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  • 5 /5
30 reviews on Google
+ 100  

Satisfied customers

+ 70

projects completed

What if we discussed your project? Contact us

They trust us with their application

Many companies trust us with their digital projects.

What if the next one was you?

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In the ever-changing digital world, creating a web application has become essential for many companies. Call on a specialized agency like Quai des Tags can be a wise decision to benefit from expertise in-depth and tailor-made digital solutions.

The benefit of using our development agency application web

Working with our web development agency allows you to benefit from a awareness cutting-edge in the sector. These experts have the skills necessary to design applications efficient and adapted to the specific needs of each client.

In addition, these agencies offer complete support, from the design phase until deployment final application. They guarantee optimal quality while respecting the deadlines. This level of support is difficult to achieve when embarking on this alone adventure technological.

Extensive technical expertise

Our developers master the latest technologies and trends in market. They know how to optimize every aspect of your application to ensure its performance, his safety and its scalability.

Thanks to their varied experience, they can anticipate technical challenges potential and offer proactive solutions before they even arise.

In addition, these professionals are able to customize each project according to the specificities of the customer's field of activity. Whether for an application mobile or a complex web application, they always provide an expert perspective and innovative.

Save time and increase efficiency

The process of creating apps can be long and tedious. By the way through our specialized agency, you save precious time that you can devote to other strategic aspects of your business.

Agencies are also used to managing several projects at once, which allows them to maintain a high level of efficiency and to meet deadlines.

Thus, entrusting your project to experts not only guarantees a better time management, but also peace of mind. You can be sure that all the stages of development will be taken care of professionally.

The different specialties in web development

Development agencies don't just code an application. They offer a range of services that cover all aspects of creation of application, of the initial design to ongoing maintenance.

Design and UI/UX design

The first crucial step is the design of the application. Good design involves not only a pleasing aesthetic appearance but also a user interface (UI) intuitive and effective user experience (UX). Designers work closely with the customers to understand their needs and preferences, thus creating a model that meets expectations. A well-designed interface drastically improves user engagement and makes it easier their navigation, thereby increasing overall satisfaction and loyalty

Front-end and back-end development

Application development is mainly divided into two parts: the front-end and the back-end. The front-end is everything the end user sees and interacts with. front-end developers use various technologies and frameworks to create dynamic and functional interfaces. The back-end, on the other hand, manages the business logic, the database and all the server-side operations. Specialized back-end developers ensure that any the infrastructure is robust, secure and capable of support a large volume of traffic seamlessly.

Testing and Quality Assurance

Before the official launch, it is crucial to thoroughly test the application to detect and correct possible bugs. The dedicated testing teams implement different scenarios to make sure that The application works perfectly in all possible conditions. This phase is essential to guarantee an impeccable user experience from the start. launch day. It includes unit tests, integration tests, performance tests and security tests.

Advantages of custom work

Every business has unique needs and goals. That's why agencies development offers tailor-made solutions. Unlike ready-made solutions, a custom-developed application adapts precisely to the operational and strategic requirements of the company. This level of customization not only allows expectations to be met exactly, but also to differentiate oneself of the competition. A custom web development opens the way to innovations specific to your sector and your internal processes.

Flexibility and scalability

When an application is custom-developed, it is much more flexible and scalable. This means that it is easy to add new features, improve existing ones or adapt to new trends technological. This flexibility guarantees the sustainability of the application in the face of developments market fast. Furthermore, a tailor-made approach allows for better control of costs in the long term. Rather than reinventing completely the wheel for each change, updates can be made in a more agile and economical.

đź’ˇ Innovation Tax Credit

A custom web application is already a significant investment.
With the CII, you can recover up to 20% of this amount.

Crédit d'Impôt Innovation

Quai des Balises is a state-recognized agency, approved for the Innovation Tax Credit (CII).

If your web application offers unique features, complex business logic, or an innovative interface, you can claim a tax credit of up to 20% of your expenses. It's a real boost to bring an ambitious idea to life.

Am I concerned?

Startups, SMEs, VSEs, innovative structures or those undergoing digital transformation

If you're developing an application that meets a specific use case with high added value, you're probably eligible. And we'll manage the process with you.

Check your eligibility for free

Web applications designed for your business

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Web applications for every reality

At Quai des Balises, we believe that each application must respond to a specific context, organization, and challenges. This is why we design tailor-made web solutions, designed to integrate perfectly with your uses.

Artisans

Simple and effective applications, designed to save you time without disrupting your habits.

TPE & PME

Custom web solutions to structure your processes, centralize your data, and streamline your management.

ETI & groups

A reliable and expert team to design powerful, secure tools that are interconnected to your systems.

Startups & SAAS

From idea to product, we support you in creating a robust application that is quick to launch and designed to evolve.

Case Studies

High-performance, personalized web solutions designed to integrate with your business challenges.

Let's move your ideas forward
Sector: Logistics and Transportation

Brexit Platform – Customs Support

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Problem

With Brexit, the company needed a custom tool to manage new customs and sanitary procedures directly from the port.

Solution

Development of a field business tool to centralize customs data and facilitate the agents' work, complemented by a web-based management platform for complete tracking and smooth communication.

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Results achieved

  • Hundreds of customs declarations processed more easily

  • Time saved in the field

  • Fewer errors thanks to automation

  • Production launch in under 3 months

Sector: Tourism & Tailor-made Travel

CRM for High-end Travel Agency

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Problem

The agency, specialized in 100% personalized travel, lacked a suitable CRM to centralize requests, track sales activity, and streamline quote creation.

Solution

Development of a tailor-made CRM for custom travel, with client tracking, personalized quote creation, and integrated booking system.

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Results achieved

  • Improved conversion rate of inquiries

  • More effective sales follow-up

  • Faster and more accurate quotes

  • Optimized customer experience

Sector: Professional Training (First Aid)

Business & Management Platform for First Aid Training Center

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Problem

The company was managing its training sessions without a proper tool, making organization complex, inefficient, and hard to scale.

Solution

Creation of a training management platform with scheduling, registration tracking, certifications, and real-time key indicators.

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Results achieved

  • 30% reduction in transportation costs

  • 25% improvement in delivery times

  • 45% increase in customer satisfaction

  • 20% fuel savings

Our commitments for your application

We are already passionate about your project

A team of experts at your service who only want you to succeed.

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David Brulin

Director
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François Dusautoir

Director & CTO
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Giovanny Foucaud

Developer
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Tom Darques

Developer
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Benoit Peron

Developer

What our customers say about us

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  • 5 /5
30 reviews on Google
I highly recommend Quai des Balises. They supported me from A to Z in creating my platform Palominow and still support me today. I'm more than satisfied with their services. They are attentive, experts in their field, and passionate! Working with them is a real pleasure — I couldn't have hoped for better!
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Margaux LapĂ´tre

Founder of Palominow

We’ve been collaborating with Quai des Balises for over 2.5 years on web solution development. With over 50,000 tasks managed since deployment, the tool has become indispensable for our team and clients. The developers are highly responsive and always available to quickly resolve issues. Thanks to them, we’ve significantly improved time efficiency and productivity. Highly recommended!
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Franck-Edouard Tiberghien

CEO of ASA Links

Quai des Balises is a highly reliable and very competent web agency. They offer, suggest, and recommend solutions that are always relevant and well-suited. François and David are super responsive and truly available for their clients. I wholeheartedly recommend them!
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Aurélien Chabrol

Founder of Tribu d'explorateurs

Great experience! I was impressed by the advice and professionalism of this web agency. I recommend anyone in need of their services to request a full audit!
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Jean-Baptiste Lecaille

Director - ORPI sector

When you choose to develop a web application with us, you are betting on

When you choose to develop a web application with us, you are betting on

In-depth expertise

  • Modern stack, robust architecture, UX designed for real-life use: our team masters every technical component.

A solid experience

  • For over 11 years, we have been designing custom web applications for organizations of all sizes.

A solution in your image

  • Each application is built according to your processes, your users, your goals. No fixed model.

An evolving base

  • Your application is ready to evolve: new modules, new interfaces, new integrations.

Performance & fluidity

  • Optimized code, short response times, a fluid interface even with high volumes.

Reliability & Security

  • Extensive testing, data protection, regular audits: your application is stable, secure, and compliant.

Transparency & agility

  • Regular monitoring, integrated feedback, collaborative project space. You are involved at every stage.

A real accompaniment

  • Responsive support, functional upgrades, technical advice: we're here to bring your application to life.
❓   How does it work?

Develop your application in 7 steps

With our team, you move forward with a clear method, rigorous support, and solid deliverables at every stage. Our technical expertise, our flexibility, and our sense of concreteness make the difference.


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Céline Desrumaux

Responsive and available, François and David are attentive to the smallest details to create a tailor-made project that meets the client's wishes. They also put themselves at the level of the uninitiated client to explain the entire project.
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1. First exchange

We discuss your context, your business objectives and your first functional ideas.

02

2. Analysis & framing

We clarify the needs, key use cases, and technical issues. If necessary, an NDA is signed.

03

3. Budget estimate

We will provide you with an initial budget estimate, with flexible options depending on your priorities.

04

4. Estimate & development plan

A detailed quote is sent to you, along with a clear schedule and a versioning plan.

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5. Development & testing

The team goes into production. You have access to a project space to track progress and test features as they go.

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6. Recipe & adjustments

You test, we adjust. We make sure every feature meets your expectations.

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7. Online posting & support

Once validated, the application is put into production. Training, support, developments: we remain at your side.

Our industry expertise

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Production solutions, traceability, predictive maintenance

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Site monitoring, resource management, scheduling

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Sales management, stock control, customer relations

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Route optimization, real-time tracking, WMS

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CRM, invoicing, project management

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Patient management, care pathways, GDPR compliance

4 points to help you decide

What your tailor-made application offers you