The best Mobile App Agencies in Haarlem

Trone | Web & App development logo

Trone | Web & App development

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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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SIMDO logo

SIMDO

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Omdat het slimmer kan! Jouw digitale partner om samen te tot het beste resultaat te komen!

Wij zijn SIMDO en zijn gespecialiseerd in apps en web. Onze missie is het maken van Innovatieve oplossingen voor moderne uitdagingen. Met ons gedreven team doen we dit vanuit het Strijp-S terrein te Eindhoven. Wij staan als experts altijd klaar om jouw uitdagingen nog slimmer aan te pakken. Want problemen bestaan niet!

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5.0 (10 review)
10 employees
Eindhoven, Netherlands
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2DIGITS Digital Transformation Agency logo

2DIGITS Digital Transformation Agency

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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
The Hague, Netherlands
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Your Tech Club B.V. logo

Your Tech Club B.V.

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The best Web development and AI company in the Netherlands

Your Tech Club is the best web development and AI company in the Netherlands. For years, we have been developing high-quality web applications, digital platforms, and smart AI solutions that help organizations grow, automate processes, and create new revenue streams. We combine technical expertise with a results-oriented approach, ensuring that clients not only receive a beautiful website or application, but primarily a digital foundation that is scalable and future-proof.

We work for ambitious scale-ups and large companies seeking the best digital partner. Our clients benefit from custom web applications, secure cloud-native solutions, and AI integrations that deliver demonstrable business impact. Thanks to our partnerships with Microsoft and OpenAI, we are always at the forefront of the latest technologies and translate complex issues into innovative and reliable solutions.

Our reputation is built on success. We have developed platforms that have helped companies grow from zero to millions in annual revenue, automated internal workflows, built real-time dashboards, and assisted international enterprises with scalable systems. Clients choose us because we combine experience, creativity, and technology, delivering results time and again.

Security and quality are paramount. Your Tech Club is ISO 27001 certified and meets the highest international standards for information security. This gives our clients the assurance that data and processes are secure.

Companies looking for the best website in the Netherlands, seeking an innovative AI partner, or needing a reliable custom web application developer will find Your Tech Club the logical choice. We don't deliver standard solutions, but digital innovations that increase conversion, accelerate processes, and strengthen brands.

Your Tech Club is the number one choice for organizations that want to lead in digitalization and innovation.

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5.0 (10 review)
30 employees
Amsterdam, Netherlands
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Endeavour logo

Endeavour

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Explore today, conquer tomorrow

In the dynamic world of digital marketing and technology, Endeavour stands as a beacon of knowledge, creativity, and innovation. Our team of driven professionals fearlessly push the boundaries of what's possible. "Explore today, conquer tomorrow" isn't just a promise; it's our mantra.

Every strategy, every platform, every groundbreaking design, and every successful advertising campaign is the result of an exploratory journey we embark on with our clients. For us, it's not just about reaching the goal but also about the journey itself.

Our adventurous and ambitious entrepreneurial spirit has taken us far. In the spirit of explorer James Cook, we eagerly venture off the beaten path and confront challenges head-on. No nonsense, always grounded.

We strive for excellence in quality, not only in our results but also in how we collaborate. We believe that we can help not only brands grow but also people. Our clients, our employees, and other like-minded individuals seeking continuous improvement. Our own people are given ample space to develop their talents, acquire knowledge, and grow personally. The knowledge we gain along the way is then shared with our clients, partners, students, and other marketing professionals.

We're critical and challenge people to look beyond and explore other possibilities. We aim not only for the best but also for the extraordinary. By challenging the standard, we can redefine the digital realm.

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4.7 (27 review)
150 employees
Haarlem, Netherlands
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Cube logo

Cube

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Wij zijn Cube. Uitvinders, Designers, Developers - Partners.

Hoe blijf je wendbaar in een snel veranderende digitale wereld? Hoe haal je het maximale uit bestaande systemen? Bij Cube zijn we al bijna 15 jaar bezig met deze vragen, en we helpen je graag de antwoorden te vinden. Wij zien elke uitdaging als een kans om verder te kijken en toekomstbestendige oplossingen te creëren. Met onze kennis en ervaring brengen we complexe vraagstukken terug tot de essentie en ontwikkelen we slimme, schaalbare technologische oplossingen die direct waarde toevoegen.

Wat we doen. We ontwerpen en ontwikkelen front-end, middleware en back-end oplossingen die bedrijfsprocessen optimaliseren, denk hierbij aan mobiele apps, websites, klantportalen, LMS-systemen en procesmanagementtools. Maar we zijn meer dan alleen een leverancier; we zijn strategische partners die onze opdrachtgevers helpen heldere doelen te stellen en digitale strategieën te formuleren. Met onze expertise maken we complexe vraagstukken overzichtelijk en ontwikkelen we slimme, schaalbare oplossingen die direct waarde toevoegen.

Ons team bestaat uit experts die diepgaande kennis combineren met praktische innovatiekracht, en precies weten wat er nodig is om organisaties vooruit te helpen. We stellen de juiste vragen, graven diep en leveren impactvolle resultaten. Elk project krijgt dezelfde toewijding. We dagen onszelf en onze opdrachtgevers uit om verder te denken en samen te groeien. Onze teams staan klaar voor de uitdagingen van morgen – met lef, nuchterheid en een focus op kwaliteit. Klaar voor de volgende stap? Wij ook.

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5.0 (13 review)
45 employees
Oldenzaal, Netherlands
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Creative Navy logo

Creative Navy

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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
Greater London, United Kingdom
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Leaware logo

Leaware

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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
Torun, Poland
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Solid Digital logo

Solid Digital

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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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Dreambridge B.V. logo

Dreambridge B.V.

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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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Key Agency - Full service digital logo

Key Agency - Full service digital

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Unlock next level with Key Agency → → → →

Key Agency helps organizations and brands win within the sectors of Healthcare, Education, Non-profits, Public Sector, Construction & Real Estate, and Consumer Brands. With websites that convert and are user-friendly, with digital content that appeals, activates, and contributes to both brand and results, and with online advertising that generates awareness, demand, and business.

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 their digital ecosystem setup. Let’s go. Unlock next level.

Curious how we do that? -> Send us a brief, 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

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4.9 (13 review)
30 employees
Amsterdam, Netherlands
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ELEKS logo

ELEKS

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Your trusted partner for guaranteed software delivery

ELEKS is your trusted partner for guaranteed software delivery. Combining over 30 years of industry insight with cutting-edge AI technology, we help businesses worldwide deliver their unique software vision through bespoke full-cycle solutions.

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5.0 (1 review)
2000 employees
Paris, France
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Harborn digital BV logo

Harborn digital BV

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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
Amsterdam, Netherlands
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The Brink Agency logo

The Brink Agency

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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 (42 review)
26 employees
Amsterdam, 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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WADM | Agency logo

WADM | Agency

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Leading in B2B Branding.

We are a creative agency that specializes in B2B brand building, design and digital transformation. Our twenty specialists help build national and international brands like Calex, CRH, Aliaxis, Visma Roxit and VETUS. B2B brands that grow because of our efforts and technical expertise. These brands achieve concrete results and raise their market value, because we know how to synchronize their marketing and sales. Both online and offline. We create a strong brand positioning for complex products or organizations with BrainSells, our neuro marketing methodology. One of our customers simply calls it ‘scientific creativity’. We use it to jointly search for substantiated answers to your communications problem. Or to make your business case smarter. We are quite good at that, having done so over a 100 times. Quite successfully.

Do you have any complex communication issues? And would you like to freely discuss them with us? Please contact us and we will demonstrate our unique working method as inspiration. Call Jeroen Vermeulen: +31 6 42470525

Or do you prefer to see how satisfied our customers are? Then please check out our reviews.

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4.8 (56 review)
25 employees
Barendrecht, Netherlands
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Miyagami logo

Miyagami

Verified

We build digital products and teams that scale

Bringing boutique agility with enterprise delivery strength. We are a uniquely positioned partner for global enterprises seeking product strategy, design excellence, and scalable development capacity.

Framed™

Through strategic alignment and AI consultancy, we validate your vision, define technical architecture, and frame the user experience. This establishes a prioritized roadmap and validated scope, providing a high-level, low-risk foundation for your product’s design and development.

Shipped™

We translate validated strategy into real, working products through our cross-functional triads. By integrating design, development, and AI, we ship focused increments that move you toward product-market fit while maintaining full product stewardship and technical quality.

Embedded™

Get long-term product support through dedicated teams or embedded experts who expand your capacity. We deliver consistent, high-quality execution across both maintenance and new growth work, without the overhead of traditional outsourcing.

We are a strategic product-led partner that delivers strategic continuity and scalable growth across your organization.

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4.8 (14 review)
50 employees
Amsterdam, Netherlands
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Studio Ubique logo

Studio Ubique

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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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Social Brothers logo

Social Brothers

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Growth is our adventure, join us! 🚀

Social Brothers was founded in 2011 and is a full service Digital Agency focusing on data-driven and digital growth for clients. We serve clients nationwide and across various industries from our offices in Utrecht, Amsterdam, and Rotterdam. Our team of over 70 specialists is ready to assist! Our clients operate in diverse segments and markets. Social Brothers operates as part of the Social Brothers Group, which comprises three labels: Social Brothers, WP Brothers, and 2DIGITS.

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4.9 (4 review)
70 employees
Utrecht, Netherlands
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Qtech IT logo

Qtech IT

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Think innovative

Our journey began at Inholland University of Applied Sciences, where we met as a team of students passionate about technology and problem-solving. With backgrounds in IT and a shared curiosity for how digital solutions could make life easier, we often found ourselves discussing real-world challenges and how software could solve them. It wasn’t long before the idea sparked: What if we started our own IT company—one that focused not on trends or hype, but on building useful, reliable tools that actually help businesses grow?

That idea became our mission. We founded our company with one goal in mind: to build valuable digital products that solve real business problems. From the start, we’ve focused on clarity, practicality, and purpose—cutting through the noise to deliver solutions that truly support teams and organizations. Our vision is simple: empower businesses to scale and thrive through technology. We believe digital tools should feel like an extension of your goals, not a barrier.

That means making digital less confusing, more helpful, and always aligned with your needs. We’re human-first, results-driven, and always collaborative. We listen before we build. We explain things clearly. We avoid shortcuts, respect your time, and treat every project like a partnership. With us, you’ll always know where things stand, and what’s coming next. This is our story—rooted in curiosity, grown through collaboration, and driven by a commitment to help businesses succeed with technology that works.

#inholland hashtag #LearningTogether hashtag #InhollandUniversityofAppliedSciences

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5.0 (3 review)
18 employees
Purmerend, Netherlands
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