Product design & development studio. Paris.

Websites that turnvisitors into revenue.

High-conversion websites for founders and B2B teams. Launch in 4 weeks. Built to rank on Google, load under 1.5 seconds, and book qualified calls, not collect dust.

Trusted by founders building


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01 / Studio

We design websites that move pipeline, not just pixels.

Built to convert, not just to look good.

We've helped 5+ founders ship sites that load under 1.5 seconds, rank on commercial-intent keywords, and convert 2 to 3× their previous baseline. Revenue is the only KPI that ships with us.

Before we touch a pixel, we map your offer, ICP, and buyer journey. Then we ship a fast, mobile-first experience that strips friction and makes the next step obvious.

Founders pick us because we own the outcome. Performance, UX, and conversion copy work as one system. Your site becomes a sales engine, not a brochure.

2.7×
Avg conversion lift
<1.5s
Avg LCP
5+
Sites shipped

02 / Process

From first call to live site, on a clear and predictable timeline.

A four-week conversion-focused process designed to launch faster, rank sooner, and grow your revenue from day one.

  1. 01

    Discovery call

    We unpack your offer, ICP, and revenue goals. You walk away with a written conversion audit, yours to keep.

  2. 02

    Strategy & funnel

    We architect your funnel, sitemap, and conversion points, then draft every line of copy before a pixel is moved.

  3. 03

    Design & build

    We design and ship your site with conversion copy, sub-1.5s load times, accessibility baked in, and weekly demos.

  4. 04

    Launch & optimize

    We launch, instrument analytics, and deliver a 30-day performance report so improvements compound after go-live.

Ready to turn your site into a sales engine?

03 / Selected work

Projects that ship and sell.

Live products built for startups and B2B teams. Real users. Real results.

01 / Orba

Orba

SaaS / Task management

A Kanban product designed for fast onboarding and sub-second interactions on every device.

View live site
Orba — SaaS / Task management — before
Orba — SaaS / Task management — after
BeforeAfter

02 / Exogen

Exogen

Fintech / Productivity

A focus-first finance app rebuilt around a single conversion goal: get users to their first action in under a minute.

View live site
Exogen — Fintech / Productivity — before
Exogen — Fintech / Productivity — after
BeforeAfter

03 / Devora

Devora

DevTools / CLI scaffolding

A universal scaffolding tool with a marketing site that ranks for high-intent developer queries.

View live site
Devora — DevTools / CLI scaffolding — before
Devora — DevTools / CLI scaffolding — after
BeforeAfter

04 / Results

Qualified leads tripled in the first quarter. Altair didn't redesign our site. They rebuilt our pipeline.
They challenged every assumption in our funnel. The new site is faster, sharper, and finally sounds like us.

05 / Engagement

Three ways to work together. Fixed scope. No retainers.

Transparent starting points. Every project is scoped to your goals after a free 20-minute fit call.

Landing

from $1.5k
  • One high-conversion landing page
  • Conversion copy, design, build
  • Core Web Vitals + on-page SEO baseline
  • Live in 2 weeks

Site

from $12k
  • Full marketing site, up to 8 pages
  • Brand voice, content strategy, full copy
  • CMS, motion, hreflang, structured data
  • Live in 4 to 6 weeks

Studio

from $25k
  • Custom product or marketing platform
  • Discovery, UX research, design system
  • Component library + analytics instrumentation
  • Ongoing conversion optimization

06 / Contact

Tell us what you're building. Get a reply within 24 hours.

Share your goals, timeline, and budget. We come back with a clear plan to win more customers, or an honest "not the right fit."

Project type
Budget range