Top 100 SEO Companies in Brussels
The Best of December 2025Looking for a top SEO firm in Brussels?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Brussels. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Brussels SEO Firms
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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31$5,000+Freelancer employeesSchaerbeek, BelgiumSmall SEO agency Raf Polus - SEO consultant, is located in Schaerbeek, Belgium. The team offers Search Engine Optimization and Pay Per Click.Read More
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32$10,000+2 - 9 employeesBegijnendijk, BelgiumRead More
Sherlock SEO Agency is a boutique digital marketing agency based in Edegem, Belgium. The agency, founded in 2013, has a team of less than ten that provides SEO, content marketing, and PPC services. Sherlock SEO Agency serves mid-market and other-sized companies in the retail, business services, e-commerce, and real estate industries.
Clients
Board Of InnovationIndustries
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33Undisclosed50 - 249 employeesWatermael-Boitsfort, BelgiumAkkanto is a PR company. Launched in 1995, the team offers Public Relations and Social Media Marketing. The firm is headquartered in Watermael-Boitsfort, Belgium and Paris, France.Read More
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34$1,000+50 - 249 employeesAntwerpen, BelgiumLaunched in 2012, Seeders is a SEO services firm. The midsize Zwolle, Netherlands-based team specializes in Search Engine Optimization, Public Relations, Advertising, Digital Strategy, and more.Read More
Clients
Binance QuickStep Dr Smile Exact -
35UndisclosedFreelancer employeesBruxelles, BelgiumEmmanuelle Wiesemes | Agence web is a social media marketing company. In Bruxelles, Belgium, the company was launched in 2019. Their team provides Social Media Marketing and Content Marketing.Read More
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36$5,000+Freelancer employeesBruxelles, BelgiumFlorian Sanchez is a Marketing Strategy company. They are located in Bruxelles, Belgium. Their team focuses on Marketing Strategy and Search Engine Optimization.Read More
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37$5,000+2 - 9 employeesIxelles, BelgiumOltre Digital, a small Conversion Optimization company, is located in Tallinn, Estonia and Ixelles, Belgium. The team offers Conversion Optimization and Digital Strategy.Read More
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38$5,000+Freelancer employeesRixensart, BelgiumVeryfleet SRL is a social media marketing firm. Their team is headquartered in Rixensart, Belgium. The agency specializes in Social Media Marketing and Conversion Optimization.Read More
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39$1,000+10 - 49 employeesBruxelles, BelgiumEVO Group is a Digital Strategy company established in 2001. Their services include Digital Strategy and Email Marketing.Read More
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40UndisclosedFreelancer employeesHalle, BelgiumEstablished in 2024, Belgium Digital Agency is a small Halle, Belgium-based social media marketing agency. Their services include Social Media Marketing and Search Engine Optimization.Read More
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41$1,000+2 - 9 employeesEtterbeek, BelgiumET-Consulting is an e-commerce development firm founded in 2007. The agency focuses on E-Commerce Development and Marketing Strategy.Read More
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42$1,000+2 - 9 employeesUkkel, BelgiumSemopti is an UX design agency. They are based in Ukkel, Belgium, and their services include UX/UI Design and Content Marketing.Read More
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43$10,000+2 - 9 employeesBruxelles, BelgiumStudio48, a small Advertising company, is in Bruxelles, Belgium. The team specializes in Advertising and Digital Strategy.Read More
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44Undisclosed2 - 9 employeesWatermael-Boitsfort, BelgiumReputation 365, a small public relations firm, is based in Watermael-Boitsfort, Belgium. Their services include Public Relations and Digital Strategy.Read More
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45Undisclosed2 - 9 employeesBruxelles, BelgiumSmartData Agency BV, a social media marketing agency, is headquartered in Bruxelles, Belgium. The team offers Social Media Marketing and Content Marketing.Read More
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46Undisclosed2 - 9 employeesSaint-Josse-ten-Noode, BelgiumDMSL is a Marketing Strategy company based in Saint-Josse-ten-Noode, Belgium. They offer Marketing Strategy and Social Media Marketing and were founded in 2018.Read More
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47$10,000+10 - 49 employeesGent, BelgiumHeadquartered in Gent, Belgium and Cluj-Napoca, Romania, Baldwin is a small website development company. Their services include Web Development and E-Commerce Development.Read More
Clients
Weba Lochting Medipim Thienpont WineIndustries
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48Undisclosed2 - 9 employeesTemse, BelgiumPureAgency, a branding company, is based in Temse, Belgium. They provide Branding and Digital Strategy and were launched in 2023.Read More
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49Undisclosed2 - 9 employeesWaterloo, BelgiumSweet Globe is a Digital Strategy company. Located in Waterloo, Belgium, the company was established in 2010. Their services include Digital Strategy and Email Marketing.Read More
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50UndisclosedFreelancer employeesAntwerpen, BelgiumDigital Spark is a SEO agency. The agency is based in Antwerpen, Belgium. Their services include Search Engine Optimization.Read More
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51Undisclosed10 - 49 employeesAntwerpen, BelgiumModix BeNeLux is a SEO agency founded in 2000. The team specializes in Search Engine Optimization and is headquartered in Antwerpen, Belgium.Read More
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52Undisclosed10 - 49 employeesZaventem, BelgiumZIGT Media BE is a small Zaventem, Belgium-based Market Research company. The team provides Market Research and Marketing Strategy.Read More
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53$1,000+Freelancer employeesBerlaar, BelgiumFuseo is a Berlaar, Belgium-based SEO company. Launched in 2010, the team specializes in Search Engine Optimization and Content Marketing.Read More
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54Undisclosed2 - 9 employeesWaterloo, BelgiumFounded in 2014, Weeb (Communication Agency) is an Advertising company. Their services include Advertising and Social Media Marketing.Read More
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55$1,000+10 - 49 employeesAntwerpen, BelgiumMia is a website development firm founded in 2001. Their services include Web Development and Digital Strategy.Read More
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56$5,000+2 - 9 employeesSint-Niklaas, Belgium360 Marketing is a Marketing Strategy company. The Sint-Niklaas, Belgium-based agency focuses on Marketing Strategy and Digital Strategy.Read More
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57$1,000+2 - 9 employeesGent, BelgiumRead More
Small digital strategy company AXPIRA BV, is based in Ledegem, Belgium. Their services include digital strategy, ux/ui design, search engine optimization, social media marketing, and more.
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58$1,000+2 - 9 employeesWoluwe-Saint-Lambert, BelgiumSellmor is a Woluwe-Saint-Lambert, Belgium-based pay per click company. Their services include Pay Per Click and Search Engine Optimization.Read More
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59Undisclosed2 - 9 employeesBruxelles, BelgiumSibseo, a branding firm, is based in Bruxelles, Belgium. They focus on Branding and Public Relations and were founded in 2015.Read More
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60$1,000+2 - 9 employeesAntwerpen, BelgiumApplic Group is an Advertising company launched in 2012. Based in Antwerpen, Belgium, the team offers Advertising and Social Media Marketing.Read More
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