The best Web Development Agencies in Leiden

Atom - Drupal specialist logo

Atom - Drupal specialist

Verified

Your digital partner in high-quality Drupal solutions

Atom is a leading Drupal specialist with offices in Rotterdam and Zwolle and one of only four official Drupal Platinum Partners in the Netherlands. The team consists of 26 specialists, all experts with a full focus on Drupal.

We build powerful, secure, and scalable Drupal websites and applications for organizations looking to digitize, optimize, or automate. Our in-depth technical knowledge, combined with years of experience and a pragmatic approach, makes us the partner for ambitious companies and governments wanting to excel online.

Through our exclusive specialization in Drupal, active involvement in the international community, and organization of Drupal events, combined with an ISO 27001 certification, we offer Drupal development at the highest level, recognized with multiple Drupal Splash Awards and valued in long-term client relationships. We work for clients including Flexas, Motrac, Domino’s Total, Alzheimer Nederland, CZ, and Nivel.

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4.8 (10 review)
26 employees
Rotterdam, Netherlands
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The Brink Agency logo

The Brink Agency

Verified

Experience design agency specialized in Identity, Development, 3D technology and Ai Content creation

Step into our world, step into The Brink.

We turn your business into a meaningful digital experience with identity, development, and immersive 3D technology in order to have a wider audience engage with your message. Turn your ideas into reality with bold & effective Dutch design.

Our mission is to make your business look and feel authentic, so it can cut through the competition's noise. Therefore, one case at the time, we will make the crowded digital space more beautiful.

The Brink Agency's AI-powered content & development services offers an unprecedented opportunity to revolutionize content creation, unleashing boundless creative possibilities. Our solution empowers brands to swiftly generate top-quality, captivating materials across diverse formats, elevating marketing strategies and fostering deeper customer engagement. Experience how our innovative service transforms the way businesses communicate and stand out in today's digital landscape.

We are committed to your digital evolution with astonishing experiences that will make your business more successful.

Expand your digital imagination

Our services include but are not limited to:

  • Web Design & Development
  • Ai Powered Content & Development
  • Ai Automation & Agent Development (new)
  • Digital Strategy & Branding (Content production)
  • UX / UI Design
  • Visual production (Art direction)
  • App Development (IOS & Android)
  • 3D solutions (Technology and renders)

Sortlist Success Stories:

The Brink, a multi-award-winning Amsterdam based European studio, boasts a talented team with a history of jury efforts for prestigious institutes like Webby Awards, FWA, and Awwwards. Garnering four consecutive Sortlist Awards, including 2022's "Top Performer," they've earned their place among Europe's elite agencies. Their commitment to creativity and excellence is evident through their "Most Creative Works," "Top Performer NL," and "Prix D'excellence" awards. As an fast growing company we got the Fd gazelle award for 2022, 2023 and 2024 international.

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4.7 (43 review)
26 employees
Amsterdam, Netherlands
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2DIGITS Digital Transformation Agency logo

2DIGITS Digital Transformation Agency

Verified

Where ideas become reality

At 2DIGITS, we are driven by the challenge to innovate and excel in every aspect of digital product development. From brainstorming and design to development, launch, and continuous optimisation, we create solutions that have a measurable impact.

We believe in innovation with purpose. Every project begins with a clear analysis of the current situation and business goals. With our three-phase approach of Inventarisation, Implementation, and Optimisation, we ensure future-proof solutions that continue to grow with our clients.

Our expertise covers sectors such as healthcare, commerce, sport and tourism, and government and education. By using modern technologies like Shopify Plus, BigCommerce, Next.js, React Native, .NET, and Prepr, we deliver platforms, portals, apps, and webshops that are scalable, reliable, and user-friendly.

Our services include strategy, UX design, development, management, continuous improvement, and Team as a Service. Whether exploring new technology or building a unique user experience, we guide clients through every step of their digital journey.

At 2DIGITS, we combine strategic thinking with personal guidance and transparent collaboration. This makes us not just a supplier but a trusted advisor and long-term partner for digital growth.

Founded in 2019 as part of the SB Group, we work closely with Social Brothers in digital marketing and WP Brothers in custom WordPress development. Together, we offer a powerful combination of marketing, technology, and product expertise, helping clients achieve unprecedented digital growth and impact.

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(0 review)
25 employees
Utrecht, Netherlands
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WADM | B2B Agency logo

WADM | B2B Agency

Verified


More brand. More pipeline. More growth.

WADM is a B2B agency for brand strategy, demand generation and digital growth. With 24 specialists, we work for organisations like Vanderlande, VDL, Unica, Prysmian and Aliaxis - B2B brands that are not only recognisable, but also demonstrably generate more revenue.

Whether you need a new website, want to launch a campaign or generate more qualified leads - we make sure it not only looks good, but actually drives results. With BrainSells®, our methodology based on how B2B buyers really make decisions, we get more out of every touchpoint.

Curious what we can do for your organisation? Let's talk. Call Jeroen Vermeulen: +31 6 42470525

Want to see how satisfied our clients are first? Check out our reviews.

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4.8 (56 review)
24 employees
Barendrecht, Netherlands
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AGCS Works logo

AGCS Works

Verified

Marketing - Design - Social Media - Video Production

We are an award-winning international digital agency born in Amsterdam.

Our key areas of focus are:

- Marketing and Marketing Strategy

- Social Media

- Design and Digital Design

- Video Production and Editing

- Web Development

- Branding and visual identity

- Digital design

- HTML5 coding and Banners

We have worked with clients including Yamaha, Universal Pictures, Ubisoft, Qatar Airways, and Samsonite, as well as top creative agencies across Europe and United States.

Our team of designers, video editors and web development specialists helps brands and creative agencies execute flawless design and digital production projects.

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4.8 (34 review)
10 employees
Amsterdam, Netherlands
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Notive - IT Innovation Partner logo

Notive - IT Innovation Partner

Verified

We are Notive, the go-to partner for innovative and technical challenges.

At Notive, we look beyond your digital challenge. With decades of experience, we are not limited by existing knowledge, but forge new paths with progressive ideas and techniques. With our unique approach, we find a suitable solution for every challenge. Our team of digital architects, (business) developers, and designers are ready.

We use a completely unique approach. We work closely together and listen carefully to your pain points, needs, goals, or dreams. In doing so, we form a close partnership. With our knowledge of the market and techniques, we arrive at the best fitting solutions. Throughout the entire process, you own your project and always have control and overview. With our approach, it doesn't matter what kind of challenge you have.

We strive to continuously explore new possibilities, innovate, and evolve, with the goal of creating value and driving growth for our partners. Together, we set the course for a future full of success, challenging the status quo and exploring new horizons.

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5.0 (2 review)
21 employees
Zwijndrecht, Netherlands
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Harborn digital BV logo

Harborn digital BV

Verified

Drive Digital Forward

We are Harborn, a digital agency that drives strategic growth by connecting valuable data, simplifying complexity, and focussing on human interactions. We build fully integrated digital eco-systems. Future-proof solutions that enhance people's lives. We help our clients anticipate and adapt to new ways of working in a world that transforms rapidly. Always focussing on the human experience.

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4.4 (3 review)
60 employees
Rotterdam, Netherlands
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Trone | Web & App development logo

Trone | Web & App development

Verified

Web, app, and AI development

Websites, apps, web applications, web integrations, or AI automation that perfectly align with your wishes and goals.

Creating a beautiful website or app is one thing, but truly achieving the desired result is a challenge in itself. Trone Software helps you develop your goals and ideas into a well-functioning digital product that optimizes your business processes.

Our approach:

- Analysis: Together with you, we discover your goals, opportunities, wishes, and challenges, and develop a strategy.

- Design: Once we have a clear understanding of what needs to be done, we start with the design. We align the design with you, after which you can approve each part or provide feedback. As soon as the design is ready, we create a prototype that you can optionally share and test with others.

- Development: After approval and testing of the design and prototype, we start the development of the product. Progress is tracked on a status board that you always have insight into.

- Management and optimization: Once your application is live, we optimize it based on user feedback. We also perform maintenance as needed to ensure the application runs smoothly.

Why people choose us:

Communication:

We believe it's important that you stay informed about our work and progress. That's why we like to work with a status board where you can precisely follow what we are working on at any given moment.

Personal attention: We like to keep communication lines short. We are always directly reachable by phone (even outside office hours), and visiting us for a conversation is always possible.

Professionalism: We are not amateurs, but certified software engineers with years of experience in software development.

Value for money: Because we don't have large overhead costs and want to position ourselves in the market, our prices are relatively low. We are almost always cheaper than competitors of our caliber.

Services:

Swift (iOS)

Java/Kotlin (Android)

Flutter

React Native

C# .NET

PHP Laravel

Java

Vue.js

React

HTML, CSS, JavaScript

MySQL

MS SQL

Azure DevOps

CI/CD

Git

Hiring/secondment

Looking for reinforcement for your team? It is possible to hire us on an hourly basis.

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5.0 (27 review)
10 employees
Haarlem, Netherlands
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Creative Navy logo

Creative Navy

Verified

Only senior designers. Evidence-based approach.

Creative Navy is a UX/UI design studio that tackles complex, high-stakes projects for professional and industrial applications. Using an evidence-based approach, they create intuitive, resilient interfaces for sectors like healthcare, manufacturing, automotive, and energy.

They are specialists in embedded GUIs and touch interfaces for mission-critical systems—from surgical and diagnostic devices to automotive HMIs and marine control panels in extreme environments. Their work balances design finesse with operational realities such as latency, constrained screen space, and use under stress, backed by rigorous testing for clarity, cognitive load, and performance in edge cases.

Beyond embedded systems, they design technical tools for engineers, clinicians, and analysts: B2B platforms, native desktop apps for research, and real-time data visualization. Their process integrates deep domain understanding, regulatory awareness, and the logic of expert decision-making.

With teams in London, Berlin, and Basel, Creative Navy blends global insight with Germanic precision and Swiss reliability. Clients like Miele, Bosch, and Ford value their mix of design excellence, engineering alignment, and strategic thinking.

Customers:

✅ Automotive: Jaguar, Hyundai, General Motors, Mazda, Ford

✅ Medtech: B Braun, Medtronic, Zethon, UnitedHealth Group, Humana, Johnson & Johnson, HCA Healthcare, Merck, Siemens Healthineers, Gilead

✅ Saas: Hubspot, Adobe, Zendesk, eToro

✅ Technology: BAE Systems, Siemens, Infineon Technologies, Miele, Philips, Bosch

✅ AI: Perplexity, Arlq, Owkin

✅ Finance: JPMorgan Chase, Bank of America, Goldman Sachs, American Express, Barclays

✅ Public bodies: UNICEF, OECD, Government of Canada, GOV.UK (GDS), Bundesagentur für Arbeit

✅ Other: Amazon, Walmart, ExxonMobile, Hilton, Comcast, PepsiCo, Delta, Linde, Shell, Deutsche Telekom, DHL, E.ON, Discovery Channel

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5.0 (21 review)
16 employees
London, United Kingdom
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Solid Digital logo

Solid Digital

Verified

Software development specialist in software + apps

You want to streamline your business process or you have an innovative idea that requires a web application or app. Then you are not waiting for a long complicated process; Solid Digital has a clear working method and approach that fits into your planning and budget.

We believe in specialisation, that is why we do nothing but developing (SaaS) software, web applications, Native apps, Progressive Web Application (PWA) and API connections. This focus allows us to specialize; which means high-quality cost-effective applications that are aligned with practice.

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5.0 (12 review)
8 employees
Hilversum, Netherlands
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Key Agency - Full service digital marketing logo

Key Agency - Full service digital marketing

Verified

Unlock next level with Key Agency ➡ ➡ ➡ ➡

Key Agency is a full-service digital marketing agency. Key Agency creates websites that convert and are user-friendly, digital content that appeals, activates, and contributes to brand and results, and online advertising that delivers awareness, demand, and business.

We do this by showing where opportunities lie and how to seize them. By discovering. By creating and doing. And along the way, we help organizations and brands take the next step in optimizing the setup of their digital ecosystem. Let’s go. Unlock next level.

Curious about our approach? -> Send us your question/assignment, and we'll tell you how we can grow your business.

What we can do for you:

1. We prepare you for the next step in your digital growth. For this, we lay a solid foundation: a sharp brand identity, a well-thought-out digital strategy, a distinctive and conversion-focused website, and of course, a smart setup of your analytics.

2. We achieve results and grow by reaching your target audience, by connecting, converting, and supporting. For this, we use appealing content, effective advertising, efficient marketing automation, and customer-focused webcare.

Key Agency. Unlock next level

www.keyagency.nl

info@keyagency.nl

020-737 1279

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4.9 (13 review)
30 employees
Amsterdam, Netherlands
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Studio Ubique logo

Studio Ubique

Verified

Your one-stop tribe. Design, development, marketing, hosting & support

Tired of agencies that overpromise, miss deadlines, or vanish after launch? We can fix that. Our team designs, builds, and hosts websites, shops, and apps that are not only beautiful but actually convert. Fast delivery, reliable code, and long-term support are built into our process.

We’re a remote-first tribe with Dutch roots and India-based capacity, combining speed, affordability, and round-the-clock availability. With 500+ launches since 2012 and near-perfect 5/5 ⭐⭐⭐⭐⭐ ratings across Clutch, Sortlist, Google, 99designs, and more, we ship lean, on time, and back everything with SLAs and hosting.

Curious what your project might cost? We’ve made our real project pricing guide (https://www.studioubique.com/pricing-and-rates/) public, complete with example budgets and scope outlines. No vague ranges, just straight numbers.

Ready to explore your project? Book a free 30-min video call and receive your mini project plan within a few days.

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5.0 (46 review)
20 employees
Zwolle, Netherlands
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Gaia Digital logo

Gaia Digital

Verified

Helping companies grow through strategic design, reliable development and a personal approach 🚀

Gaia Digital is an AI-driven design and development agency. We build custom websites, software and brand experiences for companies that want to grow smarter. With a team that's passionate, ambitious and always hands-on.

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5.0 (15 review)
7 employees
Amsterdam, Netherlands
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Dreambridge B.V. logo

Dreambridge B.V.

Verified

We create Digital Experiences, Web & Mobile Apps and 3D Content with new-age technologies and GenAI.

When you hire Dreambridge, you hire the perfect combination of Human + AI. We craft impactful digital experiences and help your team be their best selves. We design interactive experiences across Apple Vision Pro, Augmented Reality, Virtual Reality, Digital Installations, GenAI Design, Web, Mobile and new emerging technologies. And we use AI to make your human colleagues superhuman! We are a diverse team that comprises of professionals from Software, Advertising, Gaming, Design and Production. Headquartered in Amsterdam, in The Netherlands, we have worked with clients across The Netherlands, France, Sweden, Belgium, Luxembourg, Switzerland, USA and India.

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5.0 (10 review)
55 employees
Amsterdam, Netherlands
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Leaware logo

Leaware

Verified

We build the right software. We build the software right.

⭐⭐⭐⭐⭐ IT Leader Awards winner specializing in bespoke software development, Business Process Automation with AI, and digital innovation.

For almost 14 years, Leaware has been at the forefront of software development, supporting startups, SMBs, and enterprises with scalable, secure, and future-ready solutions. Our strength lies in adaptability, proven expertise, and a relentless commitment to excellence.

Why choose Leaware?

🟢 Startup Advocates – deep understanding of startup dynamics, from MVP to market entry.

🟢 Proven Track Record – trusted by Microsoft, AXA, SAP, and 100+ companies across 20 industries.

🟢 Excellence & Security – adherence to top quality and data protection standards.

🟢 Versatility – from fintech platforms to user-centric apps, always leveraging the latest tech.

🟢 Global Insight, Local Sensibility – international reach with regional expertise.

Core Services

⚫️ Mobile App Development 📱 – intuitive, scalable apps for iOS & Android.

⚫️ Web App Development 🌐 – engaging and high-performance digital platforms.

⚫️ Business Process Automation with AI 🤖 – transforming workflows by eliminating repetitive tasks, boosting efficiency, and enabling data-driven decision-making.

⚫️ Team Extension 👩‍💻👨‍💻 – flexible outsourcing to strengthen delivery and meet deadlines.

What makes us stand out?

🔵 14 years of experience – balancing legacy know-how with cutting-edge innovation.

🔵 Diverse portfolio – from global enterprises to ambitious startups.

🔵 Startup support DNA – agile methods tailored to growth challenges.

🔵 Holistic offer – blending app development, BPA with AI, and outsourcing into one integrated value proposition.

Leaware doesn’t just deliver code. We design, automate, and scale digital solutions that drive measurable business impact.

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4.9 (13 review)
50 employees
Berlin, Germany
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Wirelab logo

Wirelab

Verified

Unlock your digital growth

We create engaging digital customer experiences that contribute to business objectives. This way, we strengthen your brand’s impact and build sustainable growth together.

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4.9 (11 review)
25 employees
Enschede, Netherlands
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Achieve logo

Achieve

Verified

Groeien op basis van data en de kracht van creativiteit.

Hallo! Wij zijn Achieve.

Achieve is een digital agency bestaande uit een kleine groep specialisten met ieder hun specifieke ambities, kwaliteiten en vaardigheden. Het team blijft constant op de hoogte van de nieuwste ontwikkelingen in het digitale landschap. Dat is voor ons geen opgave, omdat we van onze passie ons werk hebben gemaakt. Dit is wat we leuk vinden en daarom zijn we er ook goed in.

Een online aanwezigheid was ooit een ‘nice to have’, maar is tegenwoordig een kritische succesfactor voor elk bedrijf. Of het nu gaat om het bereiken van prospects, het communiceren met klanten, of het rechtstreeks verkopen van diensten of producten, het internet heeft de manier waarop we zaken doen veranderd. In de voortdurend veranderende digitale wereld met technologie die continu doorontwikkelt, is het belangrijk dat bedrijven hun digitale aanwezigheid mee laten veranderen. Zo blijf je relevant en bij de tijd.

Heb je zelf geen specialistische kennis in huis? Is het aannemen van specialisten te duur? Druk met je eigen zaak? Geen tijd voor marketing activiteiten? Dat is precies waar Achieve kan helpen. Wij ondersteunen jouw bedrijf bij de groei naar het volgende niveau. Dat doen we niet alleen, maar samen met jou en je team. Geef je digital marketing uit handen maar blijf op de hoogte middels maandelijkse rapportages en advies van specialisten. Door middel van creativiteit, technologie en data verbinden we de juiste mensen aan jouw merk.

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5.0 (13 review)
8 employees
Capelle aan den IJssel, Netherlands
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Stuurlui logo

Stuurlui

Verified

Partners in growth with the very best in WordPress.

Stuurlui is a full-service WordPress agency that helps organizations grow with high-quality, sustainable, and user-friendly digital solutions. We don't just build websites; we are an involved partner in strategy, design, technology, and ongoing development. From the local baker to the large multinational: everyone deserves the very best in WordPress.

Experience

With over ten years of experience and hundreds of projects, we understand the dynamics of complex processes, multiple stakeholders, and diverse target audiences. Clients appreciate our efficiency, substantive expertise, and honesty. We manage over 600 websites and work for clients including Gemeente Arnhem, Shell, Miele, Kwekkeboom, Tilburg University, Strukton, Brandweer Nederland, GGD, Jaarbeurs, Uit Paulines Keuken, and Heineken.

Team

Our crew consists of 35 specialized WordPress experts. Everything is done in-house to ensure quality, knowledge, and continuity. No external development teams, no interns, no outsourcing. This way, we deliver stable, future-proof, and well-thought-out websites. We have won multiple FD Gazellen and Website of the Year nominations and are rated 9.6 by clients.

Security and Stability

Security, scalability, and continuity are key aspects of our approach. With a comprehensive Service Level Agreement (SLA), reliable hosting, and correct implementation of GDPR, we ensure a maximally secure and stable platform. Stuurlui is ISO 27001 and ISO 9001 certified.

Specialism

We excel in B2B, government, education, healthcare, food, high-traffic environments, communities, intranets, and content platforms. Our websites are fast, accessible, and sustainable by default.

Services

Stuurlui provides the following services:

  • Strategy
  • UX & visual design
  • WordPress development
  • API integrations
  • Performance optimization
  • Hosting
  • Maintenance & support
  • Continuous development

Digital challenge? Set your course and set sail with us.

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4.9 (14 review)
40 employees
Utrecht, Netherlands
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Flatline Agency logo

Flatline Agency

Verified

Your digital pulse

We are a global disruptor in eCommerce, Corporate Websites and Marketing - proud to be an official Shopify Plus partner and ready to bring your digital stack to the next level!

Our team of 50+ international specialists delivers innovation seamlessly through technological proficiency and award-winning designs and campaigns. We are the technical partner of established Brands like Oger, Vanilia, Shimano, Budweiser, Deloitte, Van Poelgeest, and MG Motors, delivering end-to-end solutions that cater to their individual business needs.

With our in-depth knowledge of both tech and martech, Flatline provides comprehensive services that help companies achieve goals efficiently and simplify complex processes. At our core, we are focused on delivering high-quality work, fast – while leveraging the newest and best techniques available. As our client’s end-to-end development partner, we don’t simply work for them, but we deeply integrate and collaborate with each brand’s in-house teams.

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5.0 (20 review)
50 employees
Amsterdam, Netherlands
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Promoguy.nl logo

Promoguy.nl

Verified

Born to Create - We are Digital Masterminds

Digital marketing has grown immensely in recent years, but fear not, we’re here to guide you through it.

Promoguy is more than a marketing company. We’re a collective of specialists who combine analytical precision with creative flair. We work closely with clients to understand their goals, transform them into effective strategies, and drive measurable growth.

From data-driven strategy to scroll-stopping ad copy and design, we deliver everything your brand needs to thrive. Our goal? Craft the perfect message that truly resonates with your audience. We cover all major marketing domains, from website development and optimisation to social media management, content strategy, and analytics. Whatever your goals, we tailor our work to fit your needs.

Above all, we promise one thing: No Bullshit.

What we do:

• Technical & Content SEO (Yes, AI SEO as well)

• Digital Marketing Strategy development and workshops

• Paid Social Growth marketing and advertising

• Social Media Management (Because if you are not posting, are you even a business?)

• Content Strategy (Did some pretty cool YouTube cases for content direction)

• Data Analytics (Marketing, Advertising, Sales, CRM)

• META, TikTok, Twitter, Reddit, Telegram Ads

• Email Marketing / CRO (How are you sequences and drop-offs doing?)

• CRM Implementation

• Platform Development (Very picky tool stack)

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5.0 (31 review)
9 employees
Amsterdam, Netherlands
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