Harmonia : App mobile
80% success rate among families with children aged 8 to 12!
Web & Digital Agency — Brussels
Your website isn't just there to look pretty . It has to convert.
We help startups, scale-ups, and SMEs transform their average websites into growth multipliers.
We develop websites and apps, we analyze, we optimize, we automate. Bingo!
Sites marketing ultra-rapides
Does your Wix site look amateurish? We build sites that load in <1s and convert. Astro, not WordPress.
+30 conversion on average
CRMs and internal tools
Does your team manage everything in spreadsheets? We build custom tools that grow with you.
-50% less time wasted on internal processes
AI & Automation
Are your manual processes taking up 20 hours a week? We can automate them with n8n and AI. Results in 4-8 weeks.
10–20 hours saved per employee per week
Recognized by SMEs and startups that have raised several million euros.
Olivier Lafosse
Founder & CEO • Heat Me
OMP has completely modernized our website. The design is clearer, more credible, and our visitors understand what we do. A real leap in quality. Also worth noting is the excellent collaboration between OMP and our development agency. Thank you!
Didier Boulvin
C3PO • Coddy
Sébastien is always attentive and understood our needs perfectly when it came to redesigning our website! The new site looks great and was delivered on time. We've already gained a few customers thanks to the improved SEO of the new site 🤩
Stephane Draux
Founder • Spengo
One More Pixel's (Numinam) contribution to the development of our App has been significant in its success with our B2C and B2B customers.
Jérôme Van De Sande
Product & Data Leader • Heat Me
One More Pixel's (Numinam) technical and design vision has enabled us to improve our lead generation flows. A big step forward.
Joke Aerts
Marketing Director • Zetes
Sebastien helped lifting Zetes' digital activities to a higher level, [...], a project successfully managed from design to development.
Joke Aerts
Marketing Director • Zetes
Sebastien helped lifting Zetes' digital activities to a higher level, [...], a project successfully managed from design to development.
Jérôme Van De Sande
Product & Data Leader • Heat Me
One More Pixel's (Numinam) technical and design vision has enabled us to improve our lead generation flows. A big step forward.
Stephane Draux
Founder • Spengo
One More Pixel's (Numinam) contribution to the development of our App has been significant in its success with our B2C and B2B customers.
Didier Boulvin
C3PO • Coddy
Sébastien is always attentive and understood our needs perfectly when it came to redesigning our website! The new site looks great and was delivered on time. We've already gained a few customers thanks to the improved SEO of the new site 🤩
Olivier Lafosse
Founder & CEO • Heat Me
OMP has completely modernized our website. The design is clearer, more credible, and our visitors understand what we do. A real leap in quality. Also worth noting is the excellent collaboration between OMP and our development agency. Thank you!
Numinam was founded by an entrepreneur who had already raised funds.
I've launched several startups, raised funds, and scaled teams. I know what really matters: speed, ROI, and cutting through the nonsense. That's what we deliver at Numinam.
- Sébastien
Our expertise is perfectly matched to these customer profiles
Startups: Post-seed
You have just raised €500K-€2M. Your product works, but your infrastructure is makeshift. We can professionalize it in 6-12 weeks.
Product-oriented founders
Your developers are 100% focused on the product. You need a partner who can manage websites, CRMs, and automation without distracting them.
Scale-ups: Pre-Series A
You're preparing your next round of fundraising. We'll build the infrastructure that will impress VCs: fast, scalable, professional.
Your website, mobile app and webapps are in safe hands
Coddy : Website + CRM + Automation
Sales automation → +95% automated funnel, -30% operational load.
Vaibes: Webapp
Automated linkedin posts, uses 100% of your words and tone.
A development process you know and that works
Today
Free audit
We analyze your needs. No sales bullshit.
In 3 days
Fixed proposal (price + timeline)
Fixed price. Realistic timeline. No surprises.
J+7
Design validation
Low-fidelity design, then high-fidelity design to get us to agree.
J +21
Dev sprints
We provide development updates every two weeks.
J+ 45
Launch + suivi
Start of the follow-up phase.
Ready to professionalize your infrastructure?
30-minute call to analyze your needs and identify quick wins.