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Web Studio Lyon

Web agency in Lyon, design & development

We build fast websites, robust web apps and strong brand identities for Lyon businesses.

Aetherio - Agence web à Lyon
Studio web Aetherio Lyon

An agile web studio in the heart of Lyon

Aetherio is a studio led by a lead developer, teaming with experts in Web, SEO, design, content and photo/video.

This model assembles the right team for each project and delivers faster, without traditional agency overhead.

We target measurable performance, adapt to your needs, the trust relationship and the respect of your budget.

Based in Lyon, working across the metropolitan area and remotely as needed.

Web agency services in Lyon

From identity to performance, a complete expertise chain

01

Website creation

Showcase, e‑commerce, corporate: SEO‑ready, easy to manage, fast and conversion‑oriented for Lyon.

02

Web application development

SaaS, portals, back‑offices: modern architecture (Vue/Nuxt/Node), security, scalability and user experience.

03

UX/UI & Branding

Workshops, wireframes, prototyping, visual identity and design systems for clarity and consistency.

04

Lyon SEO & Content

Technical SEO, internal linking, local semantics (Lyon), editorial plan and performance optimization.

05

Photo / Video (partners)

Authentic visuals to elevate your brand and improve conversion.

06

3D creation

Creation of 3D for your projects, websites, applications, visual identities, etc.

Why choose us in Lyon?

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Projects delivered

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Satisfaction

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Years of experience

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Years of studies

Proximity & responsiveness

Meetings across Greater Lyon, tight project control and direct access to makers.

Complementary expertise

Tech, SEO, design, content & media — a team aligned with your goals.

Studio agility

Fewer intermediaries, short cycles, fast decisions and measurable deliverables.

Tangible results

Shared KPIs, Lyon local SEO, conversion, performance and ROI.

Real projects, measurable results

Every project shown here solved a real business problem. SaaS applications, business tools, high-performance websites. Here's what I've built for my clients.

Belho Xper - Mockup Application
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Belho Xper App

Web Application / SaaS

Multi-tenant SaaS application for accounting firms: client management, automated tax tasks and real-time planning.

Web AppSaaSNestJSVue 3
Fideneo - Mockup Application
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Fideneo

Web Application / SaaS

Fideneo is an all-in-one cockpit designed to simplify and automate beauty salon management.

SaaSUX/UIWeb AppCRM
Belho Xper - Mockup Site Web
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BELHO XPER

Accounting Firm

A custom website redesign to reposition Belho Xper as a modern, reliable accounting firm with high added value.

Refonte site webUX/UIOptimisation CRO/SEO
Maison & Matières - Mockup Site Web
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MAISON & MATIERES

Interior Design

A premium website with interactive 3D experience and animations for high-end interior decoration specialists.

Design premiumExpérience 3DGalerie

They trusted me

Founders and business owners who had a project, a need, a deadline. Here's what they have to say.

"Disponibilité, réactivité et implication. Valentin est professionnel et pédagogue."

A

Alban B.

CEO Belho Xper

"Il allie une expertise technique pointue à une solide vision business."

C

Charley A.

Co-fondateur Avnear

"La communication a toujours été fluide et les délais respectés, ce qui est rare et très appréciable."

C

Chihab A.

CEO E-commerce

"Valentin a su être à l'écoute de mes attentes et de mes besoins. Les résultats ont été plus que satisfaisants."

S

Sandrine V.

Gérante Sandrin's Nail

"Une entreprise qui sait s'adapter parfaitement au besoin client."

S

Stanislas M.

Commercial

"Depuis la mise en ligne, nous avons remarqué une nette augmentation des appels et des demandes de renseignements."

C

Christophe R.

PDG Ravi Groupe

See all client reviews

How we work together

A simple and transparent process. You know where we stand at every step.

1

We talk

A first conversation to understand your project, your market and your constraints. No lengthy brief, a direct conversation.

2

Scoping and strategy

We define the scope, priorities and timeline together. You know exactly what will be delivered and when.

3

Mockups and validation

I design your product mockups. You validate before I touch code. No bad surprises.

4

Iterative development

I develop in functional blocks. You test as we go, we adjust continuously. No 3-month tunnel with no news.

5

Production deployment

Deployment, SEO, monitoring. Your product is live, fast and indexed.

6

Support and evolution

I stay available after launch. Fixes, new features, maintenance. Your product keeps evolving.

FAQ Web agency in Lyon

Nous sommes un studio dirigé par un lead développeur, avec un collectif d'experts (SEO, design, contenu, média). Agilité et transparence.

Oui : identité, design, développement, SEO et média, un seul pilotage, un seul planning.

Sites vitrines dès 2 500€, e‑commerce/développement spécifique dès 5 000€. Devis détaillé après cadrage.

Oui, dans toute la métropole et en France, en présentiel et à distance.

Vue.js, Nuxt.js, Node.js, TypeScript, avec intégration CMS (Strapi, WordPress) si pertinent.

We’ll get back within 24h with a first analysis

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Also available in

LyonVilleurbanneValenceAgence LyonAgence VilleurbanneParis