“We’re incredibly happy with the result. The website doesn’t just look great — it actually delivers. We receive new enquiries every week.”
Henk-Jan Boele
Founder & CEO
B2B websites built
for the AI era
Overflow Agency is a European Webflow certified partner, that specializes in B2B marketing websites that generate MQLs through GEO/SEO and enables your marketing team to launch, publish, and optimize independently.
TRUSTED BY leading B2B companies
OUR PLAYBOOKS
Two ways we drive growth
What others call services, we call playbooks. Over the years, we've developed a set of proven practices that consistently lead to better outcomes. Combined, these practices form our playbooks.
Playbook 01
B2B Marketing Website
A conversion-focused website engineered for ambitious B2B marketing teams. Launch campaigns faster, publish without developers, improve conversion, and create a scalable foundation for long-term growth.
OUTCOMES
- Launch campaigns faster
- Publish without developers
- Convert more visitors into pipeline
- Get found in AI Search
THE DIFFERENCE
The new standard for B2B growth
Modern marketing teams don't need another website. They need a scalable marketing system that enables faster execution, stronger positioning, and predictable pipeline growth.
The old way
Every website update requires a developer
Campaigns require weeks of custom development
Generic messaging fails to engage ideal buyers
Growth makes the website harder to manage
SEO focuses on Google and starts after launch.
AI visibility is unmeasured and left to chance
THE OVERFLOW way
Marketing owns the website and publishes independently
Reusable components turn ideas into campaigns in days
ICP-led messaging converts more ideal buyers
A modular system scales with your business
Search visibility is built for both Google and AI
AI mentions and citations are improved and tracked.
Worked with Niels & Jort for a few months on revamping one of our websites. Communication was always smooth and fast, the quality of their work was excellent, and they’re great guys to work with. Definitely highly recommended!
Floris Stigter
Marketing Manger Informer Group
If your website has to convince more than one kind of stakeholder at once—investors, scientists, families, or otherwise—and getting that wrong carries real timing and funding consequences, this is the kind of problem we build for.
Henk-Jan Boele
CEO Blinklab
Overflow created the design for our new website. We are extremely happy with the quality. The value for money is excellent! They also genuinely think along with us, which meant we were almost completely taken care of throughout the process. Communication is excellent, and they keep their promises—something we cannot always say about other online marketing agencies. Highly recommended. We are fans!!
Quinten van der Kraaij
Founder BeFesti
Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!
Martijn Ramekers
CEO Heuvelgroup
The guys at Overflow built a beautiful website for Port Sight Tax in record time. Sleek visuals are combined with strategic analysis. I highly recommend them to anyone looking to improve their online presence!
Andreas de Wit
Founder Port Sight Tax
I am incredibly pleased with this wonderful collaboration with Niels and Jort. Communication was very smooth from the start. Niels and Jort are proactive, pay attention to every detail, and always go the extra mile. The result is a stylish website that not only looks beautiful but also truly fits my business. Highly, highly recommended!
Tahmina Azizi
Founder The Legal Wave
Easy, fast & reliable guys. They know how it works and what you may expect from a B2B Marketing Agency. They restructured our website and dicussed openly our webflow (s) Highly recommended!!
Mark van Ommen
Commercial Director Nedcargo
We worked with Overflow to build our new website on Webflow, and the experience was excellent from start to finish. As a B2B Marketing Agency, they really took the time to understand our niche recruitment in the non-profit healthcare sector and translated that into a clean, professional site that actually reflects who we are.
Karel Van Os
Founder Rekruitmentklub
Great experience working with Jort & Niels. They created our website for Modus Projects and we’re really happy with how it turned out. Besides the website, they also helped us with our branding, colours and other brand materials. Great guys and always happy to help. Would definitely recommend!
Camiel Aardewerk
Founder Modus Projects
In our search for a good BTB Marketing Agency, we came across Overflow. This is how you want to do business: 2 nice guys, clear processes, clarity on cost and timings upfront, and most important of all: creative and very professional websites in Webflow in return. Doing business becomes fun this way, and easy to do. No 'funnies' no surprises, but jointly working as one team on the future of our business! Go for it Niels and Jort! I wish you all the succes in your business!
Peter Potters
Chief Commercial Officer
Worked with Niels & Jort for a few months on revamping one of our websites. Communication was always smooth and fast, the quality of their work was excellent, and they’re great guys to work with. Definitely highly recommended!
Floris Stigter
Marketing Manger Informer Group
If your website has to convince more than one kind of stakeholder at once—investors, scientists, families, or otherwise—and getting that wrong carries real timing and funding consequences, this is the kind of problem we build for.
Henk-Jan Boele
CEO Blinklab
Overflow created the design for our new website. We are extremely happy with the quality. The value for money is excellent! They also genuinely think along with us, which meant we were almost completely taken care of throughout the process. Communication is excellent, and they keep their promises—something we cannot always say about other online marketing agencies. Highly recommended. We are fans!!
Quinten van der Kraaij
Founder BeFesti
Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!
Martijn Ramekers
CEO Heuvelgroup
The guys at Overflow built a beautiful website for Port Sight Tax in record time. Sleek visuals are combined with strategic analysis. I highly recommend them to anyone looking to improve their online presence!
Andreas de Wit
Founder Port Sight Tax
I am incredibly pleased with this wonderful collaboration with Niels and Jort. Communication was very smooth from the start. Niels and Jort are proactive, pay attention to every detail, and always go the extra mile. The result is a stylish website that not only looks beautiful but also truly fits my business. Highly, highly recommended!
Tahmina Azizi
Founder The Legal Wave
Easy, fast & reliable guys. They know how it works and what you may expect from a B2B Marketing Agency. They restructured our website and dicussed openly our webflow (s) Highly recommended!!
Mark van Ommen
Commercial Director Nedcargo
We worked with Overflow to build our new website on Webflow, and the experience was excellent from start to finish. As a B2B Marketing Agency, they really took the time to understand our niche recruitment in the non-profit healthcare sector and translated that into a clean, professional site that actually reflects who we are.
Karel Van Os
Founder Rekruitmentklub
Great experience working with Jort & Niels. They created our website for Modus Projects and we’re really happy with how it turned out. Besides the website, they also helped us with our branding, colours and other brand materials. Great guys and always happy to help. Would definitely recommend!
Camiel Aardewerk
Founder Modus Projects
In our search for a good BTB Marketing Agency, we came across Overflow. This is how you want to do business: 2 nice guys, clear processes, clarity on cost and timings upfront, and most important of all: creative and very professional websites in Webflow in return. Doing business becomes fun this way, and easy to do. No 'funnies' no surprises, but jointly working as one team on the future of our business! Go for it Niels and Jort! I wish you all the succes in your business!
Peter Potters
Chief Commercial Officer
Worked with Niels & Jort for a few months on revamping one of our websites. Communication was always smooth and fast, the quality of their work was excellent, and they’re great guys to work with. Definitely highly recommended!
Floris Stigter
Marketing Manger Informer Group
If your website has to convince more than one kind of stakeholder at once—investors, scientists, families, or otherwise—and getting that wrong carries real timing and funding consequences, this is the kind of problem we build for.
Henk-Jan Boele
CEO Blinklab
Overflow created the design for our new website. We are extremely happy with the quality. The value for money is excellent! They also genuinely think along with us, which meant we were almost completely taken care of throughout the process. Communication is excellent, and they keep their promises—something we cannot always say about other online marketing agencies. Highly recommended. We are fans!!
Quinten van der Kraaij
Founder BeFesti
Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!
Martijn Ramekers
CEO Heuvelgroup
The guys at Overflow built a beautiful website for Port Sight Tax in record time. Sleek visuals are combined with strategic analysis. I highly recommend them to anyone looking to improve their online presence!
Andreas de Wit
Founder Port Sight Tax
I am incredibly pleased with this wonderful collaboration with Niels and Jort. Communication was very smooth from the start. Niels and Jort are proactive, pay attention to every detail, and always go the extra mile. The result is a stylish website that not only looks beautiful but also truly fits my business. Highly, highly recommended!
Tahmina Azizi
Founder The Legal Wave
Easy, fast & reliable guys. They know how it works and what you may expect from a B2B Marketing Agency. They restructured our website and dicussed openly our webflow (s) Highly recommended!!
Mark van Ommen
Commercial Director Nedcargo
We worked with Overflow to build our new website on Webflow, and the experience was excellent from start to finish. As a B2B Marketing Agency, they really took the time to understand our niche recruitment in the non-profit healthcare sector and translated that into a clean, professional site that actually reflects who we are.
Karel Van Os
Founder Rekruitmentklub
Great experience working with Jort & Niels. They created our website for Modus Projects and we’re really happy with how it turned out. Besides the website, they also helped us with our branding, colours and other brand materials. Great guys and always happy to help. Would definitely recommend!
Camiel Aardewerk
Founder Modus Projects
In our search for a good BTB Marketing Agency, we came across Overflow. This is how you want to do business: 2 nice guys, clear processes, clarity on cost and timings upfront, and most important of all: creative and very professional websites in Webflow in return. Doing business becomes fun this way, and easy to do. No 'funnies' no surprises, but jointly working as one team on the future of our business! Go for it Niels and Jort! I wish you all the succes in your business!
Peter Potters
Chief Commercial Officer
Worked with Niels & Jort for a few months on revamping one of our websites. Communication was always smooth and fast, the quality of their work was excellent, and they’re great guys to work with. Definitely highly recommended!
Floris Stigter
Marketing Manger Informer Group
If your website has to convince more than one kind of stakeholder at once—investors, scientists, families, or otherwise—and getting that wrong carries real timing and funding consequences, this is the kind of problem we build for.
Henk-Jan Boele
CEO Blinklab
Overflow created the design for our new website. We are extremely happy with the quality. The value for money is excellent! They also genuinely think along with us, which meant we were almost completely taken care of throughout the process. Communication is excellent, and they keep their promises—something we cannot always say about other online marketing agencies. Highly recommended. We are fans!!
Quinten van der Kraaij
Founder BeFesti
Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!
Martijn Ramekers
CEO Heuvelgroup
The guys at Overflow built a beautiful website for Port Sight Tax in record time. Sleek visuals are combined with strategic analysis. I highly recommend them to anyone looking to improve their online presence!
Andreas de Wit
Founder Port Sight Tax
I am incredibly pleased with this wonderful collaboration with Niels and Jort. Communication was very smooth from the start. Niels and Jort are proactive, pay attention to every detail, and always go the extra mile. The result is a stylish website that not only looks beautiful but also truly fits my business. Highly, highly recommended!
Tahmina Azizi
Founder The Legal Wave
Easy, fast & reliable guys. They know how it works and what you may expect from a B2B Marketing Agency. They restructured our website and dicussed openly our webflow (s) Highly recommended!!
Mark van Ommen
Commercial Director Nedcargo
We worked with Overflow to build our new website on Webflow, and the experience was excellent from start to finish. As a B2B Marketing Agency, they really took the time to understand our niche recruitment in the non-profit healthcare sector and translated that into a clean, professional site that actually reflects who we are.
Karel Van Os
Founder Rekruitmentklub
Great experience working with Jort & Niels. They created our website for Modus Projects and we’re really happy with how it turned out. Besides the website, they also helped us with our branding, colours and other brand materials. Great guys and always happy to help. Would definitely recommend!
Camiel Aardewerk
Founder Modus Projects
In our search for a good BTB Marketing Agency, we came across Overflow. This is how you want to do business: 2 nice guys, clear processes, clarity on cost and timings upfront, and most important of all: creative and very professional websites in Webflow in return. Doing business becomes fun this way, and easy to do. No 'funnies' no surprises, but jointly working as one team on the future of our business! Go for it Niels and Jort! I wish you all the succes in your business!
Peter Potters
Chief Commercial Officer
Video is better
than words
The B2B leaders we build growth systems for, on what actually changed.
“If you’re looking for a partner who thinks alongside you, takes a proactive approach and truly works by your side, you should work with the team at Overflow.”
Martijn Ramekers
Director at Heuvelglas
“Since the website went live, I’ve received a lot of positive feedback. Visitors now immediately understand exactly what we do.”
Camiel Aardewerk
Project Manager
“I would definitely recommend Overflow to other entrepreneurs — and I already have.”
Richard Bierlaagh
Founding Partner
Overflow Agency is a European Webflow Certified Partner building B2B marketing websites for the AI era. We combine strategy, design, and development with GEO and SEO to help generate marketing-qualified leads (MQLs). We also connect AI tools to your website, enabling your marketing team to launch campaigns, publish content, and optimize independently.
We work with ambitious B2B companies, particularly mid-market and enterprise marketing teams. We’re a strong fit when your website no longer reflects your business, launching campaigns takes too long, or you need to reach more qualified buyers through Google and AI search.
We bring together three priorities: turning visitors into qualified leads, giving your marketing team control, and preparing your website for AI. Strategy, messaging, design, Webflow development, and search visibility work together, with connected AI tools that help your team manage and grow the website after launch.
Yes. We build Webflow websites with reusable components and a structured CMS, so your team can update content, publish articles, and create landing pages independently. Connected AI tools help your team make updates and launch campaigns faster. Training and documentation support the handover, while complex changes may still require specialist help.
It means using AI to manage and scale your website, while helping the right buyers find your business through AI search. We connect AI tools to your website so your team can launch campaigns, publish content, and make updates more independently. Through generative engine optimization (GEO) and SEO, we also improve how your business is discovered and understood across Google and AI platforms such as ChatGPT, Gemini, and Perplexity.
Start by contacting us and telling us about your goals, current website, and marketing challenges. You can also book an introductory call through that page. We’ll explore where we can help and, if there’s a good fit, propose an approach with a clear scope, timeline, and investment.
