Your website should generate clients, not slow you down .
Your website is holding back your growth. You know it.
Zero inbound. You depend 100% on outbound.
Your site has a pricing page, a product page, a demo form. But inbound requests can be counted on one hand. Result: your pipeline depends entirely on your SDRs and your ads. Your acquisition cost is through the roof, and it doesn't scale.
Your competitors rank on your keywords.
When a CTO searches for a solution like yours on Google, it's your competitor that shows up. And when they ask ChatGPT or Perplexity, your SaaS isn't even mentioned. Without SEO and GEO built in from the code, you're handing pipeline to your competitors every single day.
Your website doesn't reassure decision-makers.
Your product is solid. Your team is competent. But your site tells a different story. The CTO evaluating 3 solutions in parallel judges in 10 seconds. The procurement manager looking for credibility signals can't find them. You're losing deals without knowing it.
Here's what I can deliver.
A website that converts because it was designed to.
Before writing code, I analyse your existing funnel, your competitors' pages and your audience. Every page is built around a measurable goal: content structure, CTA placement, visual hierarchy that guides the visitor toward action. Design serves conversion, not the other way around.
A website that attracts organic traffic that compounds.
Blazing fast, SEO silo architecture, structured markup, Core Web Vitals in the green. Your site is also structured for GEO: AI Overviews cite your pages when your prospects search for solutions on ChatGPT, Perplexity or Google.
A website that keeps up when you pivot or scale.
Adding a product? Raised a round and need a multilingual site? Opening a new market? The architecture is planned from day one. You build on top of it — you never start from scratch.
A website that feeds your pipeline automatically.
Your site is connected to your CRM, your analytics, your team tools. Leads arrive qualified, notifications go to Slack, nurturing sequences trigger automatically. The site generates, the automations process.
How it works in practice.
Week 0
Scoping call
Week 1–2
Mockups and validation
Week 2–6
Development and SEO
Week 4–8
Launch and follow-up
Proof by example
Coddy: 9 countries, 90% of the flow automated.
Coddy is my startup. Urban escape games for individuals and companies (team building, seminars, corporate events). Deployed across 9 European countries.
I designed the entire web platform: ultra-fast public site, multi-country back-office, automated booking and payment. SEO and GEO are at the heart of the acquisition strategy: Coddy appears in AI Overviews for dozens of queries related to team building and urban activities.
Results: sub-1-second load times. 90% of customer interactions automated. From the corporate quote request form to the booking confirmation, the B2B flow is automated end to end. Each country manager handles their content with complete independence.
Who should build your website?
| Numinam | Traditional agency | Generalist freelancer | |
|---|---|---|---|
| Who works on your project | 1 senior lead + specialists (design, content) brought in as needed | Project manager + juniors, you don't choose who codes | 1 developer alone, no backup possible |
| Delivery timeline | 2 to 8 weeks | 8 to 16 weeks | Variable, often 2x the estimate |
| Conversion approach | Funnel analysis + lead-oriented architecture | Varies by agency | Focus on code or design, rarely conversion |
| SEO and GEO | Native + optimised for AI answers | Paid add-on | Basic or absent |
| Scalability | Multilingual, blog, API from day one | Depends on initial budget | Rarely planned long-term |
| After launch | Retainer or one-off, you choose the model | Maintenance billed, content extra | You're on your own |
| Code ownership | 100% yours, hostable anywhere | Depends on the contract | 100% yours |
Who works on your project
Delivery timeline
Conversion approach
SEO and GEO
Scalability
After launch
Code ownership
No surprise invoices. Here's what it costs.
The price depends on the number of pages, the level of design customisation and technical integrations. A content management plan is available from €150/month: you send, I publish, your site stays alive without you touching it.
Prefer to manage your own content?
What founders have to say.
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 🤩
Didier Boulvin
C3PO • Coddy
Numinam's contribution to the development of our App has been significant in its success with our B2C and B2B customers.
Stephane Draux
Founder • Spengo
Numinam (One More Pixel) is doing a fantastic job for Euronet. They’ve started the mission in saving our web-site from a cyber-attack. We had lost a lot of information and they had to rebuild our web-site. They had to recover the data left on our…
Valérie Van Belle.
Managing director • Euronet
Sebastien helped lifting Zetes' digital activities to a higher level, [...], a project successfully managed from design to development.
Joke Aerts
Marketing Director • Zetes
Numinam's technical and design vision has enabled us to improve our lead generation flows. A big step forward.
Jérôme Van De Sande
Product & Data Leader • Heat Me
Numinam 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 Numinam and our development agency. Thank…
Olivier Lafosse
Founder & CEO • Heat Me
It was a real pleasure to do business with Sebastien. He did a great job and transform our inefficient and boring website to a nice one that generate leads. Moreover, Sebastien is a patient and reliable partner and he's always ready to help.
Shirley Boterdael
Marketing & Com. Manager • Highcodata
Frequently asked questions
How much does a startup website cost at Numinam?
The budget depends on your stage and goals. A validation landing page (MVP) starts at €2,400. A full marketing site with SEO blog: €5,200. A multilingual editorial site with advanced SEO/GEO strategy: €7,900. If your team needs to manage content independently, a custom website with CMS starts at €16,000. A free 30-minute audit scopes the right formula for your project.
How fast can a startup website be delivered?
Between 2 and 8 weeks depending on scope. Validation landing page: 2 weeks. Marketing site up to 10 pages: 4 to 5 weeks. Editorial site with advanced SEO/GEO: 6 to 8 weeks. I commit to a precise timeline from day one — no deadlines that slip without explanation.
Why choose a freelance developer over an agency for my startup?
With an independent developer, you work directly with the person who designs and codes your site. No project manager in between, no unnecessary meetings, no agency margin. Decisions are faster, your budget goes further, and you have a single point of contact who knows your project inside out. That's exactly what a startup needs: agility and efficiency.
Will my startup website be visible on Google and in AI answers?
Yes. Technical SEO is baked in from day one: sub-1-second load times, structured markup, sitemap, optimised Core Web Vitals. I also integrate GEO (Generative Engine Optimization) so your site gets cited in Google AI Overviews, ChatGPT and Perplexity responses. Being visible on Google is no longer enough — you also need to be cited by AI.
What happens if Sébastien is no longer available? Is my site stuck?
No. A continuity procedure is in place: my associates have secure access to all source code and production environments. In the event of extended unavailability, they contact each client and ensure the transition. Furthermore, you own the entire source code from delivery — it's hosted on your own Git repository. The code follows industry standards, widely adopted framework conventions and includes full technical documentation. Any competent developer or agency can take over maintenance without depending on Numinam.
Can my website evolve as my startup grows?
That's built in from the start. The architecture is designed to evolve: add pages, integrate a blog, go multilingual, connect a CRM or analytics tool. If you reach the stage where your team needs content independence, migrating to a custom website with CMS is seamless — I already know your project.
Our services for startups
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Your next website should accelerate your growth.
25 minutes to analyse your situation, identify immediate wins and scope the right format. You walk away with a clear diagnosis, even if you don't sign.
Free. No commitment. With Sébastien, founder of Coddy (9 countries, automated B2B and B2C flow) and full-stack developer for over 10 years.