Discover the top SEO agencies in Belgium. Compare services, reviews, and find the perfect agency for your business.
Schaarbeek, Belgium
Based in Schaarbeek, OpenGraphy is a small web and digital marketing agency (team of 1-10) working with Belgian businesses, including hospitality cli…
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Assesse, Belgium
Based in Assesse, near Namur, in the Belgian Wallonia region, Poush is a small digital marketing agency operating since 2014 with a team of up to ten…
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Belgium
Based in Nazareth, Belgium, ProScription is a small content and communication agency working with entrepreneurs and project managers who need help bu…
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Temse, Belgium
PureAgency is based in Temse, Belgium, and works with small and medium-sized enterprises on digital transformation projects. The team, sized between…
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Nivelles, Belgium
Based in Nivelles, in Belgian Brabant wallon just outside Brussels, Qreative is a small web agency, with a team of 1-10 people, working with business…
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Jalhay, Belgium
Based in Jalhay, in the Liège province of Belgium, with a second office in Wemperhardt, Luxembourg, Référenceur works with entrepreneurs and small an…
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Watermael-Boitsfort, Belgium
Based in Watermael-Boitsfort, this consultancy works with executive committees, HR and communication teams across Belgium and France, primarily servi…
View ProfileWoluwe-Saint-Lambert, Belgium
Based in Woluwe-Saint-Lambert, Belgium, Sellmor is a small digital agency, with a team of between one and ten people, working with small and medium-s…
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Schaarbeek, Belgium
A team of around fifty digital specialists operates from Hoeilaart, Belgium, working under the Omnicom Media Group umbrella. Semetis is structured ar…
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Ukkel, Belgium
Based in Ukkel, Belgium, Semopti is a small digital marketing team, working with businesses seeking to strengthen their web presence and turn their w…
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Begijnendijk, Belgium
Based in Begijnendijk, Belgium, with an office listed on Sluisstraat in Leuven, Sherlock SEO Agency is a small team of one to ten people operating si…
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Bruxelles, Belgium
Sibseo is based in Brussels and works with small and medium-sized businesses and service companies looking to strengthen their presence in Google sea…
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Genk, Belgium
Based in Genk, Belgium, SilverLine Studio is a small SEO and web design agency operating with a team of one to ten people. It works with businesses l…
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Bruxelles, Belgium
Based in Brussels, SmartData Agency BV works with B2B entrepreneurs who need a steadier flow of new business than word-of-mouth or scattered marketin…
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Bruxelles, Belgium
Social.Lab operates out of Brussels as the digital and social specialist unit within the Ogilvy network in Belgium, working with a small team of up t…
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Mechelen, Belgium
Based in Mechelen, Springbok operates across Belgium, the Netherlands and South Africa, working with brands on marketing and digital experience proje…
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Lochristi, Belgium
Based in Lochristi, Stairway describes itself as a boutique digital marketing agency serving SMEs, larger organisations, and government bodies across…
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Waterloo, Belgium
Based in Waterloo, Belgium, Sweet Globe positions itself as an outsourced digital marketing and graphic design department for businesses across vario…
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Braine-l'Alleud, Belgium
Based in Braine-l'Alleud, Belgium, Target4Biz is a small digital marketing agency with a team of 1-10 people, positioning itself as a 360º partner fo…
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Gent, Belgium
Based in Ghent, Team Made is a small web design and online marketing team working with growing SMEs and self-employed professionals across Belgium. I…
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The complete migration playbook: what to freeze before launch, how to build a redirect map that actually holds, what to test on the staging site, and how to read the first eight weeks after go-live.
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How B2B search really works: bottom-of-funnel pages before blog volume, comparison and alternatives content, product-led assets, and attribution that survives a six-month cycle.
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This directory lists 94 agencies in Belgium, spread across 54 cities. 87 of them publish a direct contact (email or phone). The best-represented cities are Bruxelles (9), Brussels (6), Antwerpen (4).
| Team size | Belgium | What it means |
|---|---|---|
| 1-10 | 72 (77%) | One contact, often the founder. Responsive, limited capacity. |
| 11-50 | 12 (13%) | Specialists per discipline. The most common trade-off. |
Across the 94 agencies in this country: SEO (95%), SEA/PPC (48%), Web Design (47%), Content Marketing (41%), Social Media (41%), Web Development (41%). SEO leads with 89 agencies.
Stated engagement floors in Belgium range from $1,000+ to $50,000+. The most common is $1,000+ (36 agencies). That figure is an entry floor, not a price: it says what size of engagement the agency will take on, which stays the fastest filter for ruling out the ones that do not match your scale.
The 94 agencies on this page are ordered by how complete their listing is, not by payment: nobody buys a position here. The information comes from each agency's own website, checked as live. An agency can claim its listing to correct or complete it.
Should you pick an agency based in Belgium? Proximity matters most for local SEO and the language your content is written in. Here, English and Dutch are the most declared working languages. For an international site, where the agency sits matters less than its experience in your market.
Small or large agency? 77% of agencies here have fewer than ten people, against 0 above fifty. A small team means direct access to the people doing the work; a large one absorbs heavier programmes without depending on one person.
What to check before signing? Ask for measured results on a site comparable to yours, who actually does the work, and what happens when the contract ends: deliverables and access must stay yours. An agency that will not show its method is selling a black box.
All agencies by country · Agencies in Bruxelles · SEO guides
