Online Advertising Agencies

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Belgium

The best Online Advertising Agencies

Digital Leader logo

Digital Leader

Verified

The creative & performance agency for leading brands, now & tomorrow.

Digital Leader is a strategic online marketing agency that creates the digital leaders of tomorrow based on data and brand strategy. Your digital growth is our priority, which is why we focus strongly on transparency and measurable results. We distinguish ourselves through comprehensive monthly reports and quarterly meetings in which we analyze performance and seamlessly align strategy with your objectives. Thanks to our specialization in data tracking, we keep a finger on the pulse of what works and the ROI of campaigns.

Our permanent team of experienced experts, specialized by domain such as SEO, SEA, and social media, guarantees in-depth knowledge and effective campaigns. A digital strategist acts as a permanent point of contact for personal guidance and short communication lines.

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4.8 (11 review)
30 employees
Haaltert, Belgium
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OneDigital logo

OneDigital

Verified

All-In-One Growth Partner

From strategy to social media, from Google Ads to copywriting, and from web development to branding: OneDigital is the right place for all your marketing activities, so... ready to give your business an unprecedented boost? Let's go!

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4.8 (5 review)
8 employees
Malle, Belgium
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Izoard logo

Izoard

Verified

🇬🇧 Your marketing team, without the hassle. 🇳🇱 Your own marketing department, without all the fuss.

A team of experts that integrates with your SME

Multiply your marketing results and increase your sales, without hiring.

4.9 (9 review)
5 employees
Etterbeek, Belgium
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Living Stone logo

Living Stone

Verified

Proven successful go2market campaigns in healthcare, technology and engineering

Living Stone is your B2B marketing agency for healthcare, technology and engineering organisations.

We help you as a B2B marketer to make your mark. To share your company’s story, to present information in a way that makes a difference – to plant a flag that proclaims excellence and value. We support you with conventional as well as digital marketing. Our tools are easy to implement and build on your existing corporate tradition, sales customs and market ambitions. We’ve successfully been helping B2B marketers make an impact +30 years.

As experts in go2market programs, we know that a lot of things are critical for a marketing partnership and projects, to succeed. We’ve set-up our company to make sure we deliver on all of them.

"You should be proud of your team! You guys have worked wonders! Your communication and work delivered is top notch professional. This was my first time working with an agency like yours, but it tastes like more!"

 

 

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5.0 (12 review)
20 employees
Ghent, Belgium
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Flon.be logo

Flon.be

Verified

Not just visible, but so present that your customer can't help but click. 📈

Flon.be is a digital marketing agency specializing in increasing revenue and visibility for businesses. With over €30 million in generated revenue for clients and expertise in advertising, branding, custom websites, and marketing analysis, Flon.be helps entrepreneurs achieve their goals. We combine strategy and creativity to deliver results that count.

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5.0 (1 review)
4 employees
Brussels, Belgium
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Native Nation logo

Native Nation

Verified

NATIVE NATION, YOUR SOCIAL MEDIA SOULMATE

We are not a big creative agency that has adapted to social media.

We are not a PR agency that turned into an influencer agency.

We are born on social, it’s in our DNA.

Native Nation started out as an influencer marketing agency and platform since 2017, but quickly evolved to a broader social media first agency. We work with the next generation, have an eye for real time cultural insides and make social content that actually has an impact on it’s target audience.

We continuously revamp influencer marketing & focus on creating branded entertainment rather than boring social media ads. We built a company that is small enough to move as fast as the social algorithms, yet big enough to create impact for strong brands.

We are trustworthy professionals with 12 years of combined social media expertise, who help you craft social media stories from concept to realization. You can hire us for video content, copywriting, growth hacking, paid strategies, influencer collaborations, ambassador programs, UGC, social media management, …

We help your brand grow by crafting stories that create impact on Social Media and beyond.

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4.6 (8 review)
15 employees
Vilvoorde, Belgium
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Biggie Benelux logo

Biggie Benelux

Verified

We are your Partner in Growth

Biggie: A hybrid agency driven by strategy and performance

Biggie is a global agency for marketing strategy and performance based on an innovative methodology: hybridization. Formed by the merger of several entities within the Biggie Group, our agency brings together 300 experts worldwide.

With 9 international offices, we support brands in over 150 countries through customized omnichannel solutions. These solutions combine marketing strategy, strategic planning, data and analysis, media, digital performance, and business consulting.

Our ambition: To be "partners in growth" for our clients, helping them navigate their marketing mix and optimize their investments by leveraging strategic and operational excellence to enhance their performance.

Our expertise: Online and Offline Advertising, Targeted Advertising, Social audit and strategy, SEA, SEO, CPA/CPL-based campaigns, Dynamic Creative Optimizations, Consulting in analytics, Data consulting, Placement, Trainings, Ad Tech, Cookieless...

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4.5 (2 review)
147 employees
Woluwe-Saint-Lambert, Belgium
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Supermoon logo

Supermoon

Verified

We are Supermoon. We make brands bigger & brighter.

We do marketing, communications and advertising, but we are not a traditional agency. We are consultants, co-workers and creative partners-on-the-job, supporting our clients when and where they need our expertise.

We connect customers and brands via relevant content, appealing designs and engaging communications campaigns. Our goal is to make your brand bigger and brighter, just like a supermoon.

We are a core team of highly skilled advertising professionals supported by a huge galaxy of hand-picked freelance partners. We get the right experts on board to deliver the very best results for your marketing mission.

We explore

First think, then do. Together we define the goals of our campaigns. Where do we want to go and how do we get there?

Close collaborating is key to creating smart campaigns and effective communications with outstanding results. Hence we invest strongly in acquiring a profound understanding of your challenge, product and industry. 

We create

Creativity, sharp messaging and high-quality communications determine how you come across as a brand and company. We help you to develop the right tone of voice, visual identity and spot-on campaigns.

Whether it’s developing creative concepts, videos, brochures, company presentations, mailings or events, we’re never afraid to get our hands dirty in order to get things done.

We connect

Get your message out there and ensure it resonates with your target audience. Through smart media planning, tailored messaging and dedicated community management we make sure your brand will reach the audiences we’re aiming for.

And of course you can always count on transparent reporting to measure the ROI.

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4.9 (16 review)
7 employees
Boom, Belgium
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Brand New Day Agency logo

Brand New Day Agency

Verified

Data, creativity, performance!

Over the past 13 years, we had the chance to develop our expertise in strategy, content creation, advertising & measurement by working with world-renowned clients like Mercedes-Benz BeNeLux, Unilin (Quick-Step), Delhaize, Hill's Pet, Geberit Belgium, ixina, Vanden Borre Kitchen, Mercedes-Benz Trucks Belgium and many more. For 7 years, we have operated under the name WebVeille and we used to have a strong partnership with GroupM (Mindshare, Wavemaker & Maxus). All of these things combined make us today a small local agency with a strong, international background.

At Brand New Day Agency, we strongly believe in data. For us, the success of every marketing initiative lies in a strong data-driven approach which is why we use unique tools like SoPRISM to gain more knowledge about your audiences and why have invested in developing an analytics department to make sure both our clients and our internal team can constantly learn and improve from the different actions we are taking.

We also believe in people which is why we have a stable growing team of passionate experts who are doing the most on a daily basis to give our clients a maximum of satisfaction and to make sure you can take the most out of your social media spendings by adopting a disruptive advertising approach, which enables us to get a maximum impact with limited budgets.

At Brand New Day Agency, we also care about relationships and we have always managed to build long-term commitment with our clients and employees by giving a central place to loyalty and transparency.

Want to take your digital activities to a new level and have a committed partner you can fully trust? Contact us!

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4.9 (11 review)
11 employees
La Louvière, Belgium
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deBottomline logo

deBottomline

Verified

Meer impact door meer vertrouwen.

Trust creates impact

Not just a word, but the heart of every decision.

We build trust through empathy:

by truly listening to your story and deeply understanding your business.

We reinforce trust with logic:

clear, actionable solutions that genuinely move you forward.

And we earn trust through authenticity:

no jargon, no timesheet hassle, no hidden agendas.

Our industry sometimes forgets that communication isn’t about awards or billable hours,

but about solving real challenges for real companies.

That’s our Bottomline.

We help you move ahead. Step by step. Clear, thoughtful, result-driven.

Because that’s what truly matters.

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4.7 (53 review)
25 employees
Kontich, Belgium
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Plant a Flag logo

Plant a Flag

Verified

Increase your impact with our 360° marketing support

Plant a Flag is your 360° marketing partner, based in Brussels, Belgium. We unify a wide range of marketing expertise to create a positive impact for our remarkable clients.

We provide

Marketing strategy - by transforming your great ideas into actionable strategies & plans.

Marketing execution - you can count on our team of marketing experts for full-service marketing support including design, development, content & performance marketing.

We work for

Ambitious and passionate people who are building towards sustainable growth and societal impact. Our portfolio of clients includes businesses (small & large), associations, and non-profit organizations.

Let's partner up and Plant your Flag!

 

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4.8 (29 review)
14 employees
Brussels, Belgium
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There Agency logo

There Agency

Verified

Hi, we’re there. there, that’s the place-to-be for your brand, where thousands of new customers are buzzing with impatience to be hiddenly persuaded.
Or as CEOs love to hear: there is where the money is. Oh.

We answer every brief with two proposals: a truthful and a daring one. You’re free to choose, because sure thing is: we’ll get your message out and the results in.

Tell us where you want to go. Get there.be

 

Our pressroom
https://press.there.be

Our Facebook page
https://www.facebook.com/therecommunication/

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4.8 (2 review)
22 employees
Leuven, Belgium
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Wowlab logo

Wowlab

Verified

At Wowlab, we help organizations achieve sustainable growth 🚀

Wowlab is an agency specializing in digital marketing that supports start-ups, SMEs, and project leaders in their marketing strategy by activating the key steps to ensure sustainable growth.

Specifically, with Wowlab:

👉🏻 You build a marketing strategy adapted to your target audience.

👉🏻 You gain consistency in your communication, image, and identity.

👉🏻 You learn to master digital tools to gain visibility.

👉🏻 You develop your sales and measure return on investment.

Our team, specialized in digital marketing, is trained to support companies and projects whose objective is to acquire new leads and boost sales. Accessible regardless of the maturity level of your project, our methodology combines strategy and execution.

For more information, visit our website: https://wowlab.be/

Wowlab notably covers:

🔗 Marketing Strategy

🔗 Lead Generation

🔗 SEA / Digital Advertising

🔗 SEO

🔗 CRM Database & Mailing

🔗 Branding & Employer Branding

🔗 Customer Journey

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5.0 (12 review)
5 employees
Etterbeek, Belgium
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BIG SMILE AGENCY logo

BIG SMILE AGENCY

Verified

Life seems tasteless without a Big Smile !

Big Smile Agency is a Web communication agency founded in 2006. Today, the agency has 15 full-time employees and a few regular freelancers. The company puts its expertise at your service: - Website Building : Big Smile Agency handles the functional analysis, design, and creation of your websites, mini-sites, or internet applications. Whether through an existing CMS, custom-built, or pure programming, we adapt to the most optimal solution for the client. - Display Advertising : Banners, Leaderboards, Skyscrapers, IMUs, Splash pages, Expandables, Video banners, etc. An expert in HTML5 programming and fully Google certified, it specializes in DCO (Dynamic Content Optimization) and also manages third-party servers (DCM, Sizmek, Google Display,...) - E-mail Marketing : E-mail marketing strategy and creation of responsive HTML emails (reflex campaigns, one-off emails, and reusable templates). Thanks to our long-standing partnership with the company e-mailR (www.emailr.com), we can handle the management of your e-mail marketing campaigns from A to Z. - Database Cleaning : We have all the tools to clean your database, restore it to good condition, and test it. The permanent management of our clients' large and small databases is our daily business. - Print Production : Design, creation, and production management of all your offline communications. Whether it's posters, direct mail, POS materials, packaging, flyers, or others... a senior professional team is dedicated to this aspect of our business. All of this, always with the biggest smile.

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5.0 (6 review)
12 employees
Woluwe-Saint-Lambert, Belgium
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Cartel Agency logo

Cartel Agency

Verified

A collective force of creative minds. Accelerating your business with compound creativity.

Cartel Agency unites multidisciplinary talents for ambitious brands and hungry eyes. We’re an agency by humans, for humans.

At Cartel Agency, we:

build brands that cut through the noise

earn attention through powerful storytelling

influence behavior by sparking awareness

prove that marketing works

drive digital excellence across strategy, tech and performance

Our work is creative, sector-agnostic, results-obsessed and always ready for what’s next. We’re not here to make noise. We’re here to accelerate your business.

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4.5 (10 review)
65 employees
Hasselt, Belgium
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Generation Shop logo

Generation Shop

Verified

Your Partner in Digital Growth

At Generation Shop, we support you with everything you need to grow online. Whether it's a webshop, corporate website, or powerful digital marketing: we build and boost your online presence, tailored to your ambitions.

We combine technical expertise with a strong focus on measurable results.

Custom Webshops & Websites

We develop high-performing webshops and professional websites that seamlessly align with your brand and objectives. Built in Shopify, Shopware, or WordPress and fully customized to your business. From wireframe to launch: we ensure a user-friendly, reliable, and future-proof solution.

Digital Marketing That Delivers

With our data-driven approach, we ensure your online marketing campaigns truly deliver results. We always start with a well-thought-out strategy tailored to your funnel, and then implement targeted tactics such as:

- Google Ads & Meta Ads

- SEO

- Email Marketing & Automation

- CRO / Conversion Optimization

- Social Media Marketing

We do this at fixed, pre-agreed monthly budgets. No surprises, just results.

Ready to Collaborate?

Contact us for a no-obligation consultation. We'd love to discuss a digital approach that truly works for your business.

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4.7 (8 review)
7 employees
Oudenaarde, Belgium
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Adjust logo

Adjust

Verified

Digital Conversation

Data-driven journeys for unforgettable customer experience

And we know how to make a difference. At Adjust, we have achieved the right mix between creativity and data. Because one thing is for sure: you cannot create meaningful content without an in-depth understanding of data. These are key elements to boost your brand and grow your business!

Digital creation, programmatic, search engine advertising, social media, CRM, automation, analytics... These tools are the building blocks of a robust know-how you can lean on to achieve your goals, which are equally ours.

                                                                                                                                                                                                                                                                                                                                    

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5.0 (6 review)
10 employees
Ixelles, Belgium
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Cology Digital logo

Cology Digital

Verified

Shaping tomorrow. One brand at a time.

Digital Marketing, simple and accessible.

Results-oriented solutions that make an impact. With our broad digital expertise, we elevate your online presence to a higher level. Our tailored approach ensures tangible growth and lasting impact.

Ready for your digital transformation?

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4.8 (10 review)
6 employees
Maasmechelen, Belgium
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NYBE logo

NYBE

Verified

Work smarter, not harder.

Replace endless Excel work, manual administration, and inefficient tools with a system that fits the organization and the people who work with it every day.

The result? Time savings, overview, scalability, and control over your business 📈🌱. No major changes overnight, but a structured and step-by-step implementation with all stakeholders.

Together with our team, we have already helped over 100 companies transition from fragmented processes to one efficient system – fully tailored to their operations.

Typical clients of NYBE:

- SMEs with complex inventory processes.

- Businesses that want to work more efficiently.

- Companies that want to spend more time on their core business.

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4.8 (26 review)
7 employees
Hasselt, Belgium
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Follo logo

Follo

Verified

Your partner for Performance Marketing in Belgium

Your partner for Performance Marketing in Belgium.

We help ambitious companies grow. With experts throughout the country, our own tech stack, and 100+ award-winning campaigns, we deliver impact. From strategy to execution — fast, smart, and measurable.

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4.8 (3 review)
180 employees
Ghent, Belgium
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