Showcase Website
Custom showcase websites for small and medium-sized businesses and independent professionals: unique design, self-managed through your back office, with optimized SEO and Core Web Vitals · no WordPress, no generic themes.
Learn moreLyon Web Studio Custom Development Without a CMS
COSMOS WEB develops websites, applications, and business tools using proprietary code: the solution belongs to you—you're never just a subscriber. No mandatory subscriptions, no third-party vendors to worry about.
For Lyon-based small and medium-sized businesses and firms that want a web-based tool that works the way their business does - not the other way around.
10 years
of custom web development
8 years
partnership with an active client
5 / 5
Verified Google Reviews
100 %
proprietary code · no CMS
Custom Web Development in Lyon · From showcase websites to complex business applications
From showcase websites to custom business platforms, COSMOS WEB delivers web solutions built with proprietary code: these can be managed by your teams from the day they go live, without relying on a third-party vendor, and can be maintained over the long term.
Custom E-commerce
100% customizable online store: catalog, secure payment, and order management integrated with your business tools · no Shopify subscription or mandatory transaction fees.
Learn moreWeb Application & Platform
Internal business tools, multi-profile platforms, customer or partner portals: COSMOS WEB develops Laravel web applications tailored to your actual business processes · robust, secure, and scalable—without having to start from scratch.
Learn moreCustom CRM
A custom CRM tailored to your actual sales processes—not those of Salesforce or HubSpot. Pipeline, customer tracking, and reporting configured for your sales team, not for a fictional one.
Learn moreCustom ERP
Custom ERP for small and medium-sized businesses: a single tool that manages production, inventory, billing, and HR based on your actual structure · not off-the-shelf software that you have to force to fit your needs.
Learn moreMaintenance and Monitoring
COSMOS WEB provides technical support, security updates, and upgrades for your solutions · as your long-term partner. Your system remains reliable, secure, and tailored to your needs as your business grows.
Your web solution belongs entirely to you
Most websites delivered today rely on WordPress, Shopify or other CMS: third-party platforms where you are a tenant, not an owner. COSMOS WEB makes a different choice.
Full code ownership
The code delivered is 100% yours. No dependency on a third-party editor, no forced subscription, no plugin that disappears or gets monetised.
PHP Laravel — enterprise architecture
COSMOS WEB builds on Laravel, the professional PHP reference framework — the same technical foundation powering large-scale platforms.
Performance without bloat
Every line of code has a precise purpose. No unnecessary plugins, no generic themes. The result: optimal load times and an impeccable performance score.
Unlimited technical scalability
Your solution grows with your business. Add modules, integrate APIs, handle increased traffic — all without starting over.
Custom web projects that are delivered, maintained, and still up and running years after going live
COSMOS WEB is not just a one-time service provider. These projects are living web tools · owned, maintained, and enhanced over several years, in active partnership with their leaders.
Healthcare · International medical recruitment
Showcase website & recruitment platform · MEDIC EXPAT
Full webdesign, showcase pages and international medical recruitment platform for MEDIC EXPAT — members, CV library, premium subscription and job listings. Result: 270,000 monthly views from the very first month.
- Gestion des contenus du site
- Gestion complète des membres et de la CVthèque
- Système de membres avec abonnement premium
- Système d'upload et centralisation des documents
- Système d'offres d'emploi et candidature en ligne
- Système d'examen de connaissance administrable
Animal wellness · Naturopathy
Showcase website & back-office · Animopathe
Complete digital support for an animal naturopath — custom webdesign, showcase website development and a content management back-office for full autonomous control over content, products and packages.
- Authentification sécurisée au back-office
- Gestion des contenus du site
- Gestion des produits et formules
International NGO · Humanitarian
Resource sharing web app · Triangle Génération Humanitaire
Custom design and development of a web platform for centralising and sharing resources for the international NGO Triangle Génération Humanitaire — UI design, search engine, document tree, and secure private drive.
- Gestion des contenus de la plateforme
- Gestion des utilisateurs et de leurs droits
- Moteur de recherche intelligent
- Gestion des ressources avec arborescence
- Drive privé sécurisé avec partage international
- Analytics et statistiques sur mesure
They entrusted their project to COSMOS WEB · here's what they had to say
★★★★★
Google
"COSMOS WEB delivered an e-commerce site beyond our expectations. Valuable advice, attentive listening and professionalism throughout."
Julia C.
E-commerce client
★★★★★
LinkedIn
"Specifications perfectly met with improvements. Excellent project management, delivered on time."
Jeff S.
Web project client
★★★★★
Google
"Highly recommended! Enormous kindness and understanding. Quality ++"
Mathilde G.
Web client
What is the process for a custom web project at COSMOS WEB?
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Scoping & Architecture
Understanding your business, your goals, and your users. Technical architecture defined upfront. No lines of code are written until we've aligned on priorities together.
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Design & Wireframing
Interactive mockups are submitted for your approval before any development begins. You review and approve each screen · no surprises upon delivery.
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Laravel Development
Custom Laravel development with an administrative back-end included. Rigorous testing at every stage · you only receive what works.
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Deployment & Autonomy
Go-live, complete server configuration, hands-on training. Post-launch follow-up and maintenance from day one.
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contact@cosmos-web.com