Key points
- Start from the goal: a showcase site presents and reassures, an online shop sells, a web app automates.
- A project follows 7 steps, from the goal to follow-up after launch; content is what most often holds things up.
- Plan for mobile, speed and SEO from day one: catching up afterwards costs more.
- In Belgium, every website needs a legal notice and must respect the GDPR; online shops have extra obligations.
Building a professional website in Belgium means answering three questions: what the site is for, who it is for, and how people will find it. Your clients look you up on Google or Google Maps, compare, then call or fill in a form. Since 2025, they also ask assistants such as ChatGPT or Google's AI Mode, which rely on websites they consider clear and trustworthy.
This guide walks through the steps of a project, the choices to make and the Belgian rules to follow. For the budget, see our article on what drives the cost of a website.
Which type of website for which goal
| Type of site | What it does | Who it suits | Example |
|---|---|---|---|
| Showcase website | presents your business, reassures, brings in enquiries | freelancers, trades, professional practices, SMEs | Revono, a painter: project gallery and one-click quotes |
| Website with online quotes | presents a large range and collects quote requests | wholesalers, service providers, B2B | Favori Food: more than 2,300 products; My Magic Party: quotes sent via WhatsApp |
| Online shop | sells online, with the payment and delivery methods of your choice | shops, brands, makers | a shop with catalogue, basket and checkout |
| Custom web app | automates a task, handles sign-ups or clients | businesses with a specific need | Concours Palm Beach: a multi-step form connected to a database |
A showcase website is the right starting point for most freelancers and SMEs. An online shop or a custom application makes sense when selling or a process online is at the heart of your business.
The 7 steps to building a website
1. Define the goal and the audience
What do you want a visitor to do: call, request a quote, book, buy? Who are your clients, which language do they search in, what do your competitors do? These answers guide everything else, from the number of pages to the label on the first button.
2. Organise the content
List the pages before thinking about design. One simple rule: one page per service, because each page can then rank on Google for the search it answers. Also plan who writes the texts, where the photos come from and which languages the site will be published in (French, Dutch, English).
3. Choose the technology
- WordPress powers around 40% of all websites (W3Techs, 2026). It suits showcase sites and blogs, provided updates are kept up.
- Shopify gets a shop online quickly, with a monthly subscription and paid apps.
- Custom development (for example with Next.js) gives very fast sites and features built around you; changes go through a developer.
The right choice depends on what you want to edit yourself, the features and your budget over time.
4. Design the site
A good design starts with the phone: most visits to a local business happen on a smartphone. It highlights one call to action per screen, readable text (size, contrast) and proof: past work, reviews, client logos.
5. Build the site
Three technical requirements make the difference:
- speed, measured by Google's Core Web Vitals (see our website speed guide);
- security: HTTPS everywhere, updates, forms protected against spam;
- technical SEO: unique titles and descriptions, a sitemap, structured data, language tags if the site is multilingual.
6. Test and launch
Before launch, test the site on phone and desktop, submit every form (and check that you actually receive the requests), and measure speed with PageSpeed Insights. For a redesign, set up 301 redirects from the old addresses to the new ones: that is what keeps your Google rankings. Then add the site to Google Search Console (see how to get on Google).
7. Measure and improve
A website is never finished. Track visits and enquiries with Google Analytics, follow your rankings in Search Console, add new work and reviews, and keep practical information up to date. The websites that grow are the ones that are looked after.
How long it takes
At LeadCo, a showcase website or an online shop can be delivered in less than a week. For an app or a custom tool, the timeline is set in the quote, depending on what needs building. What slows a project down is rarely development: it is missing texts and photos, and slow approvals. Preparing your content in advance is the best way to keep to the timeline.
The legal rules for a website in Belgium
- Legal notice: name or company name, address, email, enterprise and VAT numbers, and for a company the competent register of legal entities.
- GDPR: a privacy policy, and prior consent for non-essential cookies, with a "Reject" button as easy to reach as "Accept". Everything is covered in our GDPR guide.
- Selling online: terms and conditions, a 14-day right of withdrawal and a 2-year legal guarantee. Since 14 August 2026, an online withdrawal function must let customers withdraw easily (law of 19 July 2026, transposing an EU directive). Since 20 July 2025, the link to the EU online dispute resolution platform is no longer required: the platform has closed.
- Accessibility: since 28 June 2025, the European Accessibility Act sets accessibility requirements for online sales services aimed at consumers. Micro-enterprises providing services (fewer than 10 people and no more than €2 million in turnover or balance sheet) are in principle exempt, but an accessible site is better for everyone, and better understood by Google.
- Customer reviews: publishing or buying fake reviews is prohibited by the Belgian Code of Economic Law.
The most common mistakes
- A brochure site with no call to action: visitors don't know what to do next.
- Mobile as an afterthought: tiny buttons, unreadable text, overflowing menus.
- SEO bolted on later: a redesign without redirects can wipe out well-ranked pages.
- Generic copy: copied from a competitor or generated by AI without review, it neither sets you apart nor reassures anyone.
- A domain name that isn't in your name: check it from the start.
- Choosing on price alone: the right website is the one that brings you enquiries, not the cheapest.
Why work with a local agency
An agency based in Belgium knows the ground: clients who search in French as well as Dutch, the payment methods people use in Belgium, the Belgian data protection authority's rules on cookies, the habits of clients in Brussels and Flanders. It can also meet you in person. LeadCo is based in Schaerbeek and builds websites in any language, for clients across Belgium and beyond. See our website services and our work.
Frequently asked questions
How long does it take to build a website?
At LeadCo, a showcase website or an online shop can be delivered in less than a week, if the texts and photos are ready. For a custom application, the timeline is set in the quote. Without content, the project waits.
Do I have to write the texts myself?
You can, and you know your trade better than anyone. An agency can also write them from an interview: they will be written for your clients and for Google, which often saves time.
WordPress or custom development?
WordPress suits many showcase sites and blogs. Custom development is worth it when you want maximum performance, specific features or less plugin maintenance.
Will my website rank well on Google?
A well-built site starts with good foundations: speed, structure, tags, structured data. Rankings are then earned over time, with useful content, a well-kept Google Business Profile and links from other sites. See what SEO is.
Do I need a website in French and Dutch?
If your clients are in Brussels or Flanders, yes: some of them will search in Dutch. Each language needs real copy and its own address, so that Google shows the right version.
What are the legal requirements for a website in Belgium?
A legal notice, a privacy policy, a compliant cookie banner and, for a shop, terms and conditions, the right of withdrawal and the online withdrawal function. Our GDPR guide covers each point.
Showcase website design
Fast, custom websites designed to turn visitors into quote requests. First year of hosting free and one month of maintenance included.
LeadCo
Web and digital agency in Brussels
We build websites and online shops for freelancers and small businesses, then make them visible on Google and in AI assistants. Based in Schaerbeek, we work across Belgium.
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