# Numinam > Sébastien Balieu, digital growth partner in Belgium and France. Based in Brussels. Sébastien Balieu identifies what is holding your growth back, builds the website, automation or custom tool needed to address it, and measures the results. Numinam is his studio: you work directly with him from the first conversation through to launch. Most pages and articles listed below also exist as Markdown: append `.md` to the path (for example `/en/about-us.md`). A page that has a Markdown twin declares it with `` — that link is the authority, not this note. ## Services - [SEO & AI visibility](https://www.numinam.com/en/seo-geo): Numinam helps SMEs gain visibility on Google and in AI responses through technical SEO, content and conversion optimization. - [Automation & AI](https://www.numinam.com/en/ai-automation): Numinam automates the marketing and sales processes of SMEs: qualification of prospects, CRM, reports, reminders and circulation of information. - [Website creation](https://www.numinam.com/en/website-creation): Numinam creates websites, business websites and landing pages that help SMEs transform more visits into sales enquiries. - [Product Growth](https://www.numinam.com/en/product-growth): Numinam supports SMEs in Product Growth to improve activation, conversion, loyalty and income generated by their digital product. - [Custom development](https://www.numinam.com/en/internal-tools): Numinam designs internal tools, business applications, dashboards and custom integrations to unlock SME projects. ## Pages - [About](https://www.numinam.com/en/about-us): About Numinam: the journey of Sébastien Balieu, Growth Partner in SEO and AI visibility, Product Growth, automation and AI, and custom development. - [Website for law firm in Brussels](https://www.numinam.com/en/website-law-firms-brussels): Freelance web developer for law firms in Brussels. Fast sites, pages by area of ​​law, local SEO, bilingual FR/NL, qualified requests. - [Case studies](https://www.numinam.com/en/case-studies): Discover 8 Numinam case studies in SEO and AI visibility, website creation, Product Growth, automation and AI, and custom development. - [Website for consulting firms in Brussels](https://www.numinam.com/en/website-consulting-firms-brussels): Freelance web developer for consulting firms and B2B services in Brussels. Authority sites, customer cases, expert SEO, qualified requests in your CRM. - [Contact](https://www.numinam.com/en/contact): Let's talk about your project: quote request, video call or meeting in Brussels. I will respond to you within 24 working hours. - [Cookie policy](https://www.numinam.com/en/cookie-policy): Cookies placed on numinam.com: necessary, audience measurement and functionalities, third-party tools, retention period and how to manage them. - [E-commerce site in Brussels](https://www.numinam.com/en/ecommerce-website-brussels): Freelance e-commerce web developer in Brussels. Custom shop without commission, native Bancontact, referenced product sheets, catalog managed independently. - [Website for HoReCa and tourism in Brussels](https://www.numinam.com/en/website-horeca-tourism-brussels): Freelance web developer for HoReCa and tourism in Brussels. Direct booking without commission, map always up to date, local SEO, multilingual FR/NL/EN. - [Legal notices](https://www.numinam.com/en/legal-notice): Legal notices of numinam.com: publisher One More Pixel SComm (BE0666.475.419), headquarters in Brussels, hosting, intellectual property and contact. - [Pricing](https://www.numinam.com/en/pricing): A freelance Growth Partner costs €595 excluding VAT per day at Numinam. Support from €2,380 / month, site from €2,380. Calculate your budget. - [Privacy Policy](https://www.numinam.com/en/privacy): How Numinam collects, uses and protects your personal data according to the GDPR: purposes, retention period, and how to exercise your rights. - [Request a quote](https://www.numinam.com/en/quote): Describe your project in 2 minutes: type, budget, objectives. I will get back to you within 24 working hours with a first concrete response. Free and without obligation. - [Real estate website in Brussels](https://www.numinam.com/en/website-real-estate-brussels): Freelance web developer specializing in real estate in Brussels. Fast sites, local SEO by municipality, qualified requests, connection to Whise or Omnicasa. - [Web developer for SaaS in Brussels](https://www.numinam.com/en/web-developer-saas-brussels): Freelance web developer for SaaS publishers in Brussels. Fast marketing site, pages per use case, page pricing that converts, SEO and AI citations. - [Web developer for startups in Brussels](https://www.numinam.com/en/web-developer-startups-brussels): Numinam designs websites for startups and scale-ups in Brussels: clear positioning, organic acquisition, qualified leads and scalable architecture. - [Website for supply chain and transport in Brussels](https://www.numinam.com/en/website-supply-chain-transport-brussels): Freelance web developer for supply chain and transport in Brussels. Customer tracking portal, connection to your systems, qualified quote requests, multilingual. - [General Conditions of Sale](https://www.numinam.com/en/general-terms-and-conditions-of-sale): General conditions of sale of Numinam (One More Pixel SComm): formation of the contract, price, 50% deposit, payment deadlines and delays. - [Website creation](https://www.numinam.com/en/website-creation): Numinam creates websites, business websites and landing pages that help SMEs transform more visits into sales enquiries. ## Content - [Blog](https://www.numinam.com/en/blog): In-depth articles about real website costs, performance, AI, CRO and modern tech choices to help businesses invest wisely in digital. - [Case studies](https://www.numinam.com/en/case-studies): Real examples of how web performance, CRO and modern architecture translate into higher conversions and business growth. - [FAQ](https://www.numinam.com/en/faq): Straightforward answers about costs, maintenance, performance, WordPress vs Astro, AI integration and digital strategy. ## Key articles - [Agentic GEO: how to prepare your website for AI agents in 2026](https://www.numinam.com/en/blog/agentic-geo-preparing-your-website-for-ai-agents): Agentic GEO is the next evolution beyond SEO and GEO. Learn how to make your website actionable by AI agents like ChatGPT, Gemini, and Copilot. - [The B2A2C Model: Business to Agent to Consumer, a new framework for AI-driven commerce](https://www.numinam.com/en/blog/b2a2c-model-business-to-agent-to-consumer): The B2A2C model describes how AI agents are becoming the new intermediary between businesses and consumers. Learn how to prepare your digital presence for agent-mediated discovery. - [Grants and funding for building a website in Wallonia in 2026: what is still open](https://www.numinam.com/en/blog/grants-and-subsidies-for-2026-for-creating-a-website-in-wallonia-comprehensive-updated-guide): Digit Online loan, business vouchers, Start IA, WAPI 2027: what actually funds a website in Wallonia in September 2026, based on official sources. - [Website speed and conversion: what really moves your results](https://www.numinam.com/en/blog/site-speed-vs-conversion-the-benchmark-that-changes-everything-in-2026): What speed changes for your enquiries, Google's LCP, INP and CLS thresholds, the traps to avoid and a four-week action plan. - [Conversion rate optimisation (CRO): how to make your B2B website convert](https://www.numinam.com/en/blog/conversion-optimization-cro-how-to-increase-your-leads-and-sales-in-2026): Value proposition, speed, forms, proof: the friction points that cost your B2B website enquiries, and the order in which to fix them. - [How much will a website cost in Belgium in 2026?](https://www.numinam.com/en/blog/how-much-will-a-website-cost-in-belgium-in-2026): 2026 website prices in Belgium: showcase, e-commerce, corporate. Actual ranges, cost factors, SME budget, recurring costs. Complete guide. ## Key facts - Location: Av. des Pléiades 53, 1200 Woluwe-Saint-Lambert, Belgium - Founder: Sébastien Balieu - Languages: fr, en - Daily rate: €595 excl. VAT - Published articles: 48 ## Pricing - Landing page: from €2,380 - Showcase website: from €4,760 - CMS website: from €9,520 - Multi-content website: from €17,850 - Automation starter: from €2,380 - SEO audit: from €1,785 - Monthly retainer, Start: €2,380 / month - Monthly retainer, Accelerate: €4,760 / month - Monthly retainer, Transform: €9,520 / month ## Contact - Website: https://www.numinam.com/en - Email: sebastien@numinam.com - Phone: +32 489 02 23 47 - Booking: https://tidycal.com/s/intro ## Optional - [sitemap.xml](https://www.numinam.com/sitemap.xml)