We build premium web experiences for the world's most ambitious tech companies.

©2026(UTC+1)--:--:-- --

OUR CLIENTS

Y Combinator startups, industrial companies, US hardware manufacturers: they build technologies that reshape their industry. We build the websites that make them visible.

  • Alt-a
  • Artefact
  • BotBlox Systems
  • Kestrix
  • Une Autre Île Productions
  • Blushmed Studio
  • Hylight
  • Skipper NDT
  • Blink

At Junca, we create clear, immersive experiences that turn your website into a real growth lever.

  1. 01

    Web Design & UX

    Designed for technical buyers

    Websites that make a complex technology clear, credible and desirable to the people who buy it.

  2. 02

    Web Development: Framer, Astro & Next.js

    The right stack for your stage

    Framer when your team needs to move fast; custom code in Astro or Next.js when you need performance, integrations and scale.

  3. 03

    3D & Immersive Experiences

    Complex technology, made visible

    Real-time 3D with React Three Fiber and WebGL, so visitors can see, turn and understand your product in seconds.

  4. 04

    Branding & Visual Identity

    Identity and website, one system

    A visual identity decided once and applied everywhere, from the pitch deck to the product UI.

  5. 05

    SEO & AI Search Optimization

    Built to be found and cited by AI

    Technical SEO from the first wireframe, plus the AI layer: content that search engines rank and that AI assistants quote.

Selected work

They trusted us withtheir image.

Extraordinary products, undersold by their websites: that's the gap we close for tech and deeptech companies. End to end: art direction, custom development, real-time 3D, content.

  1. Hand holding a smartphone on the BotBlox Systems website, UAVs and aerospace page, designed by Junca Studio
    DeepTechCorporate website
    01 / 05 · New York, United States

    BotBlox: Moving data where ethernet was never meant to run

  2. Smartphone showing the Kestrix website hero, Buildings scanned, retrofits planned, designed by Junca Studio
    ClimateShowcase website
    02 / 05 · London, United Kingdom

    Kestrix: Mapping heat loss at urban scale

    Kestrix: making thermal data readable to accelerate building retrofit

  3. Aerial view of a white Hylight airship flying over a dense forest, from the Hylight website by Junca Studio
    DeepTechShowcase website
    03 / 05 · Paris, France

    Hylight: Deeptech startup in aerial inspection

    Hylight: an aerial inspection technology driven by design.

  4. Artefact logo pressed into a soft white textured surface, brand visual by Junca Studio
    StudioShowcase website, portfolio
    04 / 05 · Nantes, France

    Artefact: Visual exploration studio

    Building the showcase website for Artefact, a space for their creative work

  5. Laptop showing the Skipper NDT website on energy maintenance automation, in a red scene by Junca Studio
    DeepTechShowcase website
    05 / 05 · Paris, France

    Skipper NDT: Automating energy infrastructure maintenance

Great technology, undersold by its website.That's what founders tell us, every week.

( What we fix )

Founders and researchers build extraordinary technology, and rarely have the eye, or the time, for the design it deserves.

We give complex technology the clarity it needs: sleek, premium websites that present hard things simply, so investors, clients and talent get it in seconds. A small team, and a direct line to the people who design and build.

Why work with us

Why work with us?

At Junca, we believe a great website starts with a great relationship. No complex process, no middlemen. Just a dedicated, responsive team and a smooth workflow to move your projects forward, fast and well.

  • 01

    Direct access to the designers

    No filter, no salesperson.

    At Junca, you work directly with the people who design your website. It's faster, smoother, and your ideas don't get lost along the way.

    Blurred silhouette of a person walking through orange and red light
  • 02

    A clear and fast process

    Everything centralized, everything simple.

    We give you access to a custom Notion portal to track every step: briefing, moodboards, design, feedback. Clear, efficient, collaborative.

    Laptop showing the Notion logo, the portal clients use to follow each project
  • 03

    No-code sites autonomous clients

    No developer needed to change a line of text.

    Your team updates the site on its own, in the Framer CMS or in Sanity, with zero technical dependency.

    Laptop showing the Framer logo on a deep blue background
  • 04

    A team that's ultra responsive

    Small team, big availability.

    We're an independent, human-sized studio, and genuinely available. Got a question? An idea to test? We're here, fast, no delays.

    Silhouettes of three people standing against a glowing orange wall
DeepTech: looking into a vacuum chamber, laser light across machined steelClimate Tech: a wind turbine alone in a sunlit field, seen from aboveAI & Data: streams of light folding into one another on a black groundIndustry 4.0: the floor of a production hall, machines lined up under the lightsRobotics & Hardware: an industrial robot arm cutting along an assembly lineSaaS B2B: a glass atrium seen straight up, floor after floor of lit offices

DeepTech

Industries

Every tech sector convinces a different way.

Deeptech, climate, industry 4.0, AI, robotics, B2B SaaS: we shape each site around what your field has to prove, and to whom.

Latest news

Our take on design, technology and what makes a website convert.

Client voices

Our clients speak for themselves.

Got a question? We answer it here.

Let's keep in touch

Get in touch

How much does a website cost with Junca Studio?

Most projects start around $6,000 for a focused website on Framer. Larger projects that include branding, custom 3D and WebGL experiences and complete copywriting usually reach $20,000 or more. The price depends on the number of pages, the level of animation and 3D, and the content and SEO work involved. After a free introductory call, we send you a detailed quote.

How long does it take to build a website with Junca Studio?

A marketing website usually takes 4 to 6 weeks once the brief is approved. Projects that add branding, 3D scenes or custom animation take 8 to 12 weeks. You follow every stage in a shared Notion workspace with clear milestones, so you always know what comes next.

Can I update the website myself after launch?

Yes. On Framer, your team edits text, images and articles directly in the Framer CMS. On Astro or Next.js, we connect a headless CMS such as Sanity: you publish a page or an article and the site updates within minutes, without touching any code. We train your team at launch and stay available afterwards.

Which technology do you use: Framer, Astro or Next.js?

We pick the one that fits your project. Framer is ideal for marketing sites your team wants to edit visually and launch fast. Astro, usually paired with Sanity, suits sites with a lot of content that need very fast loading and 3D in the browser. Next.js suits products with accounts, dashboards or app features. All three produce fast pages that search engines and AI assistants can read, with no plugins to maintain like on WordPress.

What does Junca Studio offer besides web design?

Besides web design and UX, we offer four services that work together or on their own: development on Framer, Astro or Next.js; 3D and immersive experiences built with Blender and WebGL; branding and visual identity, from logo to brand guidelines and art direction; and SEO and AI search optimization, so your company shows up on Google and in answers from ChatGPT or Perplexity. Most clients combine two or three of them.

How does a project with Junca Studio work?

It starts with a free call to understand your product, your audience and your goals. We then work in a shared Notion workspace with clear milestones: strategy, art direction, UX and UI design, development, testing and launch. You talk directly to the people who design and build your site, and you review the work at every milestone.

What makes Junca Studio different from other web design agencies?

Three things. An engineering background: we read the white papers and understand the hardware, data or AI behind your product before designing anything. A track record with technical companies, from Hylight (Y Combinator S23) to Kestrix, Skipper NDT and BotBlox. And 3D and WebGL produced by our own team with Blender, so complex products become tangible. You work directly with the people who design and build your site, with no account manager in between.

Where is Junca Studio based, and do you work with international clients?

Junca Studio is a French studio based in Paris. We work remotely with tech companies in France, the United Kingdom and the United States, in English or French, from the first call to launch.