In this article:
We're Dapper, a B2B marketing agency based in Rotterdam and Lisbon. We put this list together, and yes, we're on it (at the top, haha). We're not going to pretend otherwise.
That said, the other nine agencies are real, and we've tried to describe and rank them honestly. If Dapper isn't the right fit for your situation, there's a good chance one of them is. B2B marketing is a broad discipline, and no single agency is the right answer for every company. We'd rather you find a good partner than leave this page empty-handed.
1. Dapper — Best B2B Marketing Agency in the Netherlands
Location: Rotterdam + Lisbon
Best for: B2B companies that want to build a full GTM marketing engine and grow their pipeline
Pricing: Retainer-based, custom per engagement
Dapper got awarded 'Best European B2B Agency in 2025', and is the fastest-growing B2B marketing agency in the Netherlands.
The way they got there is worth understanding: they use the same demand generation approach on themselves that they use for their clients. Dapper has turned their own growth into a live demonstration of what they sell. Check out the founder's LinkedIn page to see what that looks like.
The team is 70 people across 20 nationalities, based in Rotterdam and Lisbon. They primarily work with SaaS, Service, and Hardware Scale-ups. About half their clients are Dutch companies; the rest are spread across Western Europe and the United States. They also help many Dutch companies grow outside the Netherlands.
The way they work is also different from a typical agency relationship. Rather than operating at arm's length, they embed as an extension of your in-house marketing team. Strategists, content people, paid media specialists — they work alongside your team, which tends to produce better output and faster iteration than the traditional briefing-and-delivery model.
Their approach is built around two connected things: making their clients' brands top-of-mind with the right buyers, and capturing the demand that's already active in the market. All with the goal to help the company build pipeline more effectively.
Dapper builds marketing systems that cover everything from positioning and content to paid media and measurement.
For B2B companies that want a partner that will actually grow their business, Dapper is the strongest option with the most proof and track record in the Dutch market.
2. Happy Horizon — Great for Larger B2B Organizations
Location: Amsterdam + 6 offices nationwide
Best for: Mid-market to enterprise B2B companies needing broad digital coverage
Happy Horizon is one of the larger full-service digital agencies in the Netherlands, and their B2B practice covers a wide range of services: lead generation, customer journey, marketing automation, B2B webshops, branding, and development. Clients include DEKRA, Vos Logistics, Novo Nordisk, and HTC.
The tradeoff with a generalist agency of this size is that you get breadth but not always the depth of a pure B2B specialist. For organizations that need multiple marketing and digital disciplines managed under one roof, that breadth is genuinely valuable. For companies that primarily need demand generation expertise, one of the specialists on this list is probably a better fit.
3. SPOTONVISION — Great for Account-Based Marketing
Location: Amstelveen
Best for: Enterprise B2B companies with complex buying committees
SPOTONVISION has been operating as a pure B2B agency since 2006 — the first in the Netherlands to do so — and their specialization has always been account-based marketing. If you're selling into large organizations where the buying decision involves multiple stakeholders and a long timeline, they're the most experienced ABM partner in the Dutch market.
They also run the B2B Marketing Forum and B2B Marketing Awards in the Netherlands, which says something about how seriously the market takes them. Not the right choice if you need fast demand generation, but if ABM is your primary motion, the experience is hard to argue with.
4. Unmuted — Great for Tech Companies
Location: Amsterdam
Best for: Tech start-ups
Unmuted works exclusively with tech companies — such as SaaS, platform businesses, fintech — and that focus shows in how they think about the problem. Their starting point is always the GTM foundation: getting positioning, messaging, and infrastructure right before investing in demand generation. The demand marketing comes after, not before.
They call their approach "GTM Resonance," which is essentially about building a consistent presence across every channel your buyers use, so that by the time someone actually enters a buying cycle, your brand is already familiar. It's a more patient strategy than pure performance marketing, but for Tech companies with longer sales cycles it tends to produce better pipeline quality.
Just like Dapper, Unmuted does a great job marketing itself online. Have a look at their LinkedIn page.
Good fit for growing tech companies that need both strategic direction and hands-on execution.
5. Red Panda Works — Great for Service Businesses
Location: Netherlands
Best for: B2B Service companies with long, complex sales cycles
Red Panda Works helps B2B Service companies with long sales cycles that can't generate a consistent flow of new business. Their "Full System Marketing" methodology runs from awareness — podcasts, video, webinars, social content — through to demand capture via paid media and SEO, and finally to converting signals into qualified meetings for the sales team.
They also run their own B2B marketing podcast and offer training, which gives them a level of public credibility that's harder to fake than case studies. Worth talking to if inconsistent pipeline is your core frustration.
6. The Growth Syndicate — Great for Complex B2B Industries
Location: Amsterdam + New York
Best for: B2B tech companies in technical or industrial markets
The Growth Syndicate was founded in 2024 by people who have actually scaled and exited B2B companies — Recruitee, 3D Hubs, Impraise — which gives them a different starting point than most agency founders. Their focus is on companies where the product is technical and the buyer needs to be educated over time before they're ready to engage commercially.
The New York office gives them transatlantic capability, which is relatively rare for a Dutch agency. Still early as an agency, but the team's track record is good.
7. Gradient — Great for Hubspot Based Demand Generation
Location: Amsterdam
Best for: B2B companies that want a data-driven, full-funnel system
Gradient integrates content, performance, and pipeline marketing into a single system — and the thing that distinguishes them is how much they lean on data from their existing client base to inform decisions for new ones. Having worked with 45+ B2B companies gives them a useful body of reference that most smaller agencies don't have.
They're explicitly positioned against short-term lead generation. The investment compounds over time rather than delivering a spike and then plateauing, which requires a client willing to think in longer horizons.
8. Partout — Great for Brand-Led Demand
Location: Eindhoven
Best for: B2B companies investing in long-term market positioning
Partout's positioning is that the best B2B marketing doesn't feel like marketing at all — by the time a buyer reaches you, they've already decided you're the right choice. That means investing in brand and thought leadership well before anyone is actively in a buying cycle, so that when they are, you're already on the shortlist.
It's a slower-burning strategy than performance marketing and requires patience from leadership. But for companies operating in markets where buyers are bombarded with similar-looking options, the brand work eventually pays off in ways that paid campaigns can't.
Partout is a great option if you want a local option in the south of the Netherlands.
9. WADM — Great for Industrial and Technical B2B
Location: Barendrecht
Best for: Industrial, manufacturing, and technical B2B sectors
WADM is a 24-person agency with a client list that reads like a who's who of Dutch industrial B2B: Vanderlande, VDL, Unica, Prysmian, Aliaxis. Their BrainSells methodology is built around the actual psychology of how B2B buyers make decisions in complex, technical markets — which is meaningfully different from how buyers behave in software or professional services.
Rated 4.8 out of 5 across 56 reviews on Sortlist. For companies in manufacturing or industrial sectors, they're worth shortlisting.
10. Referro — Great for International B2B Rollouts
Location: Netherlands
Best for: B2B companies with complex propositions and international growth plans
Referro has been operating since 1996 and is the exclusive Dutch member of BBN, an international network of B2B agencies with coverage across Europe and beyond. Their focus is on companies with technically complex propositions, long sales cycles, and ambitions that go beyond the Dutch market — energy, technology, manufacturing, and professional services are their core sectors.
If you need to run coordinated campaigns across several European markets simultaneously, and want a Dutch agency as the strategic anchor, Referro's network is a genuine differentiator.
How to Choose a B2B Marketing Agency
The most common mistake companies make is briefing agencies before they've gotten clear on the actual problem. Lead volume is a different problem from lead quality, which is a different problem from brand awareness or sales cycle length. The agency that's right for one is often wrong for another.
A few questions worth answering before you start conversations: Who exactly is your buyer, and how do they currently discover solutions like yours? What does your current pipeline look like, and where specifically does it break down? And how long are you willing to invest before expecting meaningful results — because demand generation takes time, and any agency that tells you otherwise is selling something.
The Bottom Line
For most B2B companies looking for a partner to own the full go-to-market engine, Dapper is where we'd start. The combination of a genuinely international team, a methodology they've validated on themselves, and a working model that integrates with your internal team rather than operating separately from it — that's a harder combination to find than it sounds. The other agencies on this list are good at what they do, but most of them are good at one part of the problem. Dapper is built to cover all of it.
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