
SEO Delft
SEO Bureau in Delft for B2B Companies That Want to Be Found in Google and AI Search
Overflow is a B2B marketing agency based in Delft. We combine SEO, AI Search optimization and direct Webflow implementation to help ambitious B2B companies become easier to find, understand and choose.

Not a Location Page. An SEO Agency Actually Based in Delft.
Search for an SEO agency in Delft and you will find plenty of pages written to rank for the city. That does not always mean the agency is actually here.
Overflow is based in Delft and works primarily with B2B marketing teams. SEO is part of a broader growth system: a strong B2B website, technically sound Webflow implementation, useful content and a clear information architecture that helps both Google and AI search engines understand your company.
SEO Built Around How B2B Buyers Search Today
We do not treat SEO as a list of isolated optimizations. We connect technical SEO, content, Webflow and AI Search visibility to the buyer journey, so your website can attract qualified demand and support the rest of your marketing.
Reach More Qualified Buyers
Align pages with the problems, solutions, requirements, and provider comparisons your best-fit accounts search for during evaluation.
Convert More Organic Visits
Match search intent with clear messaging, relevant proof, and purposeful next actions across priority landing pages.
Launch Campaigns Faster
Give marketers reusable page structures that support optimized launches without routine development queues or disconnected handoffs.
Build Durable Content Momentum
Organize topics, internal links, page templates, and CMS collections so each published page contributes to a connected body of expertise.
Protect Visibility During Site Changes
Plan redirects, metadata, content moves, and technical checks before migrations or major Webflow updates go live.
Make Better SEO Decisions
Prioritize work by buyer intent, business relevance, technical impact, and your team's capacity to maintain it.
How Our SEO Process Works
We start with the search opportunity and technical foundation, then improve the pages, content and authority needed to compound visibility in Google and AI Search.
Strategy & discovery
Before we touch any code, we audit your current website, map your content, and create a clear migration plan to ensure a smooth, predictable launch.
Outcomes
- Clear website strategy
- Validated site structure
- Predictable launch plan
Scalable Design System
We build a scalable design system in Figma, enabling your team to create new pages quickly while keeping every experience consistent with your brand.
Outcomes
- Scalable Figma design system
- Conversion-focused UX
- Consistent brand experience
Webflow Development
We transform your designs into a high-performance Webflow website with clean development, responsive layouts, custom interactions, and seamless integrations with your existing marketing stack.
Outcomes
- Full Webflow Build
- Custom animations
- Marketing integrations
Content Migration
We carefully migrate your content, preserve your SEO authority, implement redirects, optimize technical SEO, and ensure every page is transferred accurately to maximize visibility in both search engines and AI search.
Outcomes
- SEO authority improved
- AI-ready content structure
- E-E-A-T optimization
Quality & Assurance
We carefully migrate your content, preserve your SEO authority, implement redirects, optimize technical SEO, and ensure every page is transferred accurately to maximize visibility in both search engines and AI search.
Outcomes
- Cross-browser testing
- Manual QA
- Consistent experience everywhere
Handover to Marketing
We don't just hand over your website—we empower your marketing team to own it. With documentation, training, and ongoing support, your team can confidently manage and grow the site without relying on developers.
Outcomes
- Live team training
- Video tutorials
- Documentation
Webflow SEO Audit And CMS Architecture
We audit your Collections and templates alongside the technical foundation, then restructure them for scalable, template-level optimization
Technical Webflow SEO Implementation
Overflow addresses indexation, redirects, canonicals, headings, structured data, performance issues, and template-level problems directly in Webflow.
SEO-Safe Migration And Technical SEO
We map every important URL with redirects and harden Core Web Vitals, so crawlers and buyers reach a fast, technically sound site.
On-Page And Content Optimization
We build connected pages around the questions buyers ask during research and comparison, written to be understood and cited by search engines and AI.
Authority And AEO Engineering
We strengthen your entities and topical authority with structured schema, so AI platforms can trust and recommend you. It follows our AI Search (AEO) playbook.
Reporting And Team Enablement
We track rankings and AI visibility, then train your team to run and grow the site independently after handover.
Why Overflow Is Different From a Traditional SEO Bureau
We specialize in B2B marketing websites and Webflow, with AI Search as a core capability. That means SEO strategy does not stop in a slide deck: we can improve the actual website structure, CMS, pages and technical implementation directly.
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.

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!!

Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!

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!

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!

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!!

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.

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!

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!

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.

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!!

Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!

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!

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!

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!!

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.

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!

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!

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.

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!!

Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!

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!

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!

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!!

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.

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!

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!

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.

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!!

Professional and creative entrepreneurs. They think along with you, and I am pleased with our final result!

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!

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!

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!!

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.

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!

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!

Built for every stage
of your growth
Every organization has a different starting point. Choose the option that matches your current stage and scales with your ambitions.
Assess
AI Visibility Benchmark
For companies that want to understand their current AI visibility before making larger investments.
Understand your AI visibility
Gain a clear picture of how AI platforms perceive your brand.
Identify your biggest opportunities
Prioritize the improvements with the highest potential impact.
Benchmark competitors
See where your competitors outperform you and where you can win.
WHAT'S INCLUDED
- AI Visibility Audit
- Competitor Benchmark
- Prompt Research
- Executive Roadmap
Investement
One-time assessment · 1–2 weeks
Engineer
AI Search Foundation
For organizations ready to improve their AI visibility through a focused implementation sprint.
Become AI-ready
Build the technical and content foundation AI systems can understand and trust.
Increase AI visibility
Implement the highest-impact improvements across your website and content.
Build long-term authority
Strengthen the signals that influence AI recommendations.
WHAT'S INCLUDED
- Full Marketing Team Training
- CRM & marketing integrations
- Server-side tracking
- WCAG 2.1 AA Compliance
Investement
One-time implementation sprin
Accelerate
Monthly Content Production
For companies that want to continuously grow their AI visibility and stay ahead of competitors.
Stay ahead of competitors
Support multiple teams, brands, languages and regional websites within one structured setup.
Grow your AI visibility
Create clear permissions and component guidelines.
Own your category
Build lasting authority that compounds over time.
WHAT'S INCLUDED
- Monthly AI Visibility Reports
- AI Recommendation Monitoring
- Prompt Tracking & Testing
- Continuous Content Optimizatione
Investement
Monthly
Webflow gives marketing teams control over their website while providing the flexibility, performance, and scalability growing B2B companies need.
They are designed for B2B founders and marketing teams that need stronger search visibility and faster publishing. They also support clearer buyer journeys with less reliance on developer queues or disconnected agency handoffs.
Yes, Webflow's official SEO guidance documents built-in tools for meta tags, structured data, and image alt text. SEO outcomes depend on strategy, content, technical implementation, and continued improvement.
Overflow can combine recommendations with direct Webflow implementation when that work is included in scope. This keeps strategic priorities connected to the technical changes required on the site.
Overflow can support content migration, CMS transition, URL mapping, redirects, and SEO protection when included in scope. The NedCargo Webflow case study documents these activities in a WordPress-to-Webflow migration.
Timing depends on your site's condition, competition, authority, content, and implementation pace. Overflow sets priorities and realistic expectations without promising a specific ranking or universal result date.






