Our services in Development
Create customized web and mobile services from A to Z.
Our developers aim for excellence in the products we develop.
Whether you need a fast, high-performance application or a tailor-made API to enable your department to communicate with another, we offer the best solution to optimize your day-to-day operations.
With Development , you can offer quality experiences tailored to your customers' needs.
Do you have a specific need? We'd love to hear from you!
Our technical stack and experience allow you to imagine anything.

Adrien
CTO & Lead Developer
From startups to large companies
They trust us

Coteries helped us redesign our website, and it was a success. Sacha, our project manager, was always available and attentive to our needs!

Aryane Boroumand
,
Marketing Associate
,
AELER

The Coteries' team developed our website. I really enjoyed working with them, they are professional and follow web design best practices.

Amir Rezaie
,
CEO
,
Swissinspect

We were very pleased with Coteries' work on our new site. They are available, on time and very professional.

Nicolas Seidler
,
Executive Director
,
GSPI

Web front-end delivered in no time with an elegant, modern design. Clear code and good documentation. I highly recommend Coteries!

Martin Fontanet
,
Privacy Expert
,
Swiss Data Science Center

A highly competent, transparent agency that's easy to work with. Highly recommend!

Gavin Lee
,
Data Science Engineer
,
Swiss Data Science Center
A methodology based on quality & collaboration
1.
Creation
We provide all the resources you need to create a successful project.
2.
Feedback
We regularly present and explain progress, and collect detailed feedback from you.
3.
Improvement
We apply your feedback, so the end result always meets (and exceeds) your expectations.
Quality first and foremost
Our labels and awards are proof of our commitment to always bringing you the best.



A team of enthusiasts

Meet
the team
the team

Adrien
CTO & Lead Developer

Mégane
Software Engineer

Amandine
Software Engineer

Sébastien
Head of Design

Sacha
Digital Marketer & PM
FAQ
How does the collaboration work?
For all projects, we offer our customers dedicated, personalized support. We act as substantive partners rather than mere consultants.
Ongoing support is provided in person or by videoconference, depending on your preferences.
Ongoing support is provided in person or by videoconference, depending on your preferences.
How much do your services cost?
Our single rate is CHF 1'200 per day, which we use to estimate and invoice our services. A website, for example, can cost between CHF 10'000.- and CHF 100'000.-, depending on the degree of complexity and functionality required.
Contact us for a tailor-made estimate!
Contact us for a tailor-made estimate!
How do you bill your working hours?
We track every project in detail. This includes tracking the time spent on each task. You can even ask us for detailed reports if you wish.
Will I learn from working with you?
Yes, we share our knowledge with you throughout the collaboration. So you can understand the methodologies, the ins and outs, even if it's not your area of expertise.
Do you have any examples of successful projects you've carried out in the past?