Your digital agency serving the healthcare industry

Based in Paris and Lille, our digital agency is specialized in the healthcare sector and responds to your business issues with scalable and customized digital devices.

Our teams support you both in defining patient and professional paths and in developing high-performance projects based on open-source technologies.


We create digital devices tailored to your business and adapted to the specificities of your business

At Ylly, we understand how important it is for your company to have an online presence that is tailored to your specific needs and business. That's why we specialize in the design and development of custom digital devices that precisely meet your business objectives.

We are able to carry out a wide range of digital projects, from the development of mobile applications, to the creation of product configurators and order entry, to the design of business applications, institutional sites, and the optimization of your natural referencing (SEO) and your lead generation campaigns.

Our team of experts in web development, UX/UI design, SEO and digital marketing work closely with you to understand your needs and business goals, and design a digital solution that is perfectly suited to your expectations.

Translated with (free version)

Customized digital devices allowing you to :

Support your teams internally

Train or upgrade your sales teams
Improve the efficiency of customer meetings
Strengthen the consulting approach
Create immersive experiences

Improve the patient experience

Supporting caregivers and those being cared for
Accompanying in the care process
Develop compliance solutions and maintain the link with health professionals

Supporting health professionals

Support with relevant tools in the field
Create a link with your teams
Facilitate access to information

Why us?

Experiences we designed

Photo ALK

Ma Vie d'Allergik

Support you in monitoring your allergy
Photo takeda


Know your treatment path


Ecosystem digital France

Our clients testify

« A team that listens, is agile and reactive. Ylly has always been able to accompany me while taking into account the objectives set and the constraints imposed. »

Mouna Maël Ainin
Digital Project Manager - ALK France

Our clients testify

« The support and expertise of Ylly's teams have been a major asset in the implementation and success of our health care platform. »

Kevin Lam
Digital Project Manager - Takeda France

Our clients testify

« With a creative and pragmatic team, Ylly has been a real partner for the creation of our mobile application. »

Charles Besnard
Marketing Director - Garance

Our clients are our partners

Let's talk about your project

You want to accelerate your digital transformation? Do you have a project that combines user experience
technological issues, SEO and business challenges? You want a trusted partner?
You want to talk to experts?

Don't hesitate to tell us more.

The personal data collected is intended for Ylly and used to process your request and, when you have not objected, to communicate our commercial offers to you. Access to data is strictly limited by Ylly to employees in charge of processing your request. In accordance with European Regulation n ° 2016/679 / EU of April 27, 2016 on the protection of personal data and the law "Informatique et Libertés" of January 6, 1978 amended, you have the right to access, rectify, 'erasure, portability and limitation of the processing of data concerning you as well as the right to communicate instructions on the fate of your data after your death. You also have the possibility of objecting to the processing of data concerning you. You can exercise your rights by contacting the DPO at the following address: or at our postal address. For more information, please see our privacy policy.