websites on desktop computer, iPhone and iPad websites created by web design agency G-Design in Paris

User-friendly websites
 on all devices

A custom website
 matching your needs

How can we help you ?


A successful user experience is based on a collaborative process. Together we define a web strategy that meets both business requirements and user expectations.


By sketching out the information architecture, exploring visual design and developing interactive prototypes, we ensure your website looks great and functions perfectly.


For each project, we develop a solution tailored to your specific needs. By using the latest web technologies we make sure to optimize your website for all devices.

Recent work

Web design assisting the medical world


An online application that assists doctors in the appropriate prescribing of antibiotics.


  • do the necessary research to improve a successful website : an expert review and usability testing
  • define an intuitive interface by making wireframes and mockups
  • design a responsive website that enables web page layouts to adapt to a variety of screen sizes
  • develop a custom content management system with the latest technologies
  • measure the impact of the improvements by using analytics, monitoring tools and usability tests

What our clients are saying

« Attentiveness and availability of a single contact person. These are the main advantages of collaborating with Gunther Groenewege. I really hope to keep working with him! »

— Stéphane Oustric, Professor at Toulouse School of Medicine

From the blog

UX Design : how to improve your website’s usability The necessary research allowed me to discover the possible improvements I could make to the existing website.

Improving the performance of a legacy Symfony 1.4 website How I achieved a 30% faster response time by monitoring performance and customizing the symfony administration generator.

Using Behat with Laravel Homestead How to set up the php testing framework Behat in order to use it with the Laravel framework in a Homestead development environment.