Visibility & Sales
Websites & E-commerce
Fast brochure sites and online stores, mobile-friendly and optimized so customers find you easily on Google.
Does your digital presence actually help you sell?
Many businesses miss opportunities because of a slow website, poor Google visibility, or hours lost on manual admin. At Rationa Lab, we fix that.
A site that doesn't convert
Outdated design or slow loading drives visitors away before they ever contact you.
Exhausting manual tasks
Copy-paste, endless spreadsheets… Your team loses precious time every week.
Competitors moving ahead
Artificial Intelligence is no longer science fiction. It's a practical tool to respond faster and organize work better.
What we do for you
End-to-end support: from design mockups to launch and ongoing maintenance.
Productivity
Automation & Built-in AI
We connect smart tools to your business (customer chatbots, automatic document sorting) to save you hours of work.
Custom-built
Apps & Business Tools
Need a client portal, mobile app or custom platform? We build the exact tool your business needs.
Solutions matched to your ambition.
Clear pricing, custom design and modern technology that keeps your site fast.
01Brochure Site & E-commerce
Website Creation
Custom quote (from €750)
No more slow or hard-to-update websites. We build modern, secure sites designed to turn visitors into buyers or qualified leads.
- Unique design that reflects your brand (mobile & tablet ready)
- Technical SEO setup to rank well on Google
02Mobile App
iOS & Android App
Custom quote
We build your mobile app with an intuitive interface - ideal to retain customers, simplify bookings or offer exclusive services.
- Simultaneous iPhone and Android development (lower cost)
- Push notifications to re-engage customers
03Custom & AI
Business Tools & Automation
Custom quote
Managing everything in complex spreadsheets? We build custom platforms (client portals, quote management, internal tools) and add AI assistants to automate your most time-consuming tasks.
- Secure client areas with online payment
- Custom features you won't find off the shelf
Real results for our clients.
See how we've helped other businesses go digital.
Traveluxcity
A premium digital presence for a private driver service in the Paris region. The experience highlights the high-end positioning, builds trust and makes it easier for visitors to get in touch.
Visit websiteProject 1 / 4
A partner, not just a vendor.
At Rationa Lab, you have a direct contact. We talk about your business goals first - technology comes second.
What our partners say about us.
Transparency first: verified reviews from clients we work with every day.
“J’ai bénéficié d’un service de qualité. Ils sont très performants, à l’écoute quelques soit vos envies. Rationalab m'a permis de lancer mon projet de taxi VTC en l'espace de deux semaines. Je recommande fortement.”
“J’ai demandé à l'agence de développer mon portfolio web avec mes designs et éléments supplémentaire que j’ai partagé avec eux. Ce fut une collaboration plaisante, il sont professionnel, à l’écoute, partagent des avis constructifs et vous disent si votre projet est faisable, et le temps que ça prendra.”
Ready to bring your project to life?
Let's talk about your needs simply. The first conversation is free with zero commitment.
Book a discovery call
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