How can I help you ?

Build a successful online presence

I can help you improve an existing website or build you a user-friendly new website. I can also assist you with your online marketing and search engine optimization.

Design an easy to use website for all devices

By sketching out the information architecture, exploring visual design and developing interactive prototypes, I ensure your responsive website looks great and functions perfectly on all devices.

Develop a custom web application

For each project, I develop a solution tailored to your specific needs. By using the latest web technologies, I can deliver you an easy to use and efficient solution that will help you achieve your goals.

Recent work

Web design assisting the medical world


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


  • I did the necessary research to improve a successful website (expert review + usability testing)
  • an intuitive interface was defined by making wireframes and mockups
  • I designed a responsive website that enables web page layouts to adapt to a variety of screen sizes
  • a custom content management system was developed, using the latest technologies
  • the impact of the improvements were measured by using analytics, monitoring tools and usability tests


Kirby Project Hub : a client area for your website

G-Design developed Kirby Project Hub, a simple project management tool for freelance web designers and developers. Add a client area to your website.

From the blog

The impact of responsive web design on your business Statistics on mobile usage and the impact of responsive web design on e-commerce websites.

The importance of a fast loading website Page load time is a major element of the users' experience and can change your search engine rankings.

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.

What my clients are saying

« Gunther Groenewege is a rigorous person, he allowed us to test the site before launch and offered long-term project monitoring (over many years !). These are as many reasons for which I would recommend G-Design in my professional circle. »

— Michel Nougairede, Head of Department at the Faculty of Medicine of Paris Diderot