Amsterdam is a leading European tech hub, drawing top talent and innovative companies from around the world. The city’s international outlook, high quality of life, and progressive innovation policies make it a magnet for tech talent. In fact, Amsterdam hosts European offices for many global tech firms and has spawned homegrown successes like Adyen. The local workforce is highly diverse and English-speaking, which helps companies of any origin integrate quickly. Key strengths of Amsterdam’s tech scene include strong support for startups (accelerators, coworking, grants) and particular leadership in sectors like financial technology, logistics tech, and creative industries. These factors create a fertile environment for custom software development agencies to flourish. Amsterdam’s thriving tech ecosystem and collaborative culture make it ideal for custom software innovation. Companies here benefit from the city’s startup-friendly ecosystem and world-class infrastructure. Whether supporting fintech startups or large enterprises, Amsterdam’s dev teams leverage this foundation to deliver tailored software solutions for clients worldwide. To choose the right development partner, it’s important to consider proven expertise. Industry experience matters: teams that know your sector can hit the ground running. Portfolios and references are critical: case studies and client testimonials reveal how a firm solves problems and communicates. Finally, technical excellence and modern practices (scalable architecture, CI/CD, automated testing, etc.) ensure the software will be robust and maintainable. In the sections below, we profile nine top custom software firms serving the Amsterdam market (with Empyreal Infotech leading the list) and highlight what makes each one stand out.
Empyreal Infotech is a London-based custom software development company that serves clients throughout Europe. Founded in 2015, Empyreal specializes in end-to-end web and mobile solutions, with a focus on cloud-based platforms and cutting-edge mobile applications. The company has grown rapidly since its launch, emphasizing international outreach: it works on projects for businesses across multiple industries in the Netherlands and beyond. Empyreal’s services include full-stack development, cloud migration, and team augmentation. Its team positions itself as a true strategic partner, often acting like a “tech co-founder” to startups.
In practice, Empyreal Infotech is known for turning complex requirements into sleek, modern software. The firm follows agile methods and open communication to stay aligned with client goals. By serving a wide European client base, it has adapted to different regulatory and cultural environments, a benefit for Dutch customers looking for partners that understand EU data/privacy standards. Although not headquartered in Amsterdam, Empyreal’s global capabilities and European network make it a prominent choice, and thus it leads our list. Clients praise Empyreal for its responsive project management and ability to deliver features on tight budgets.
Symphony Solutions is a Dutch-based cloud and digital transformation company headquartered in Amsterdam. Founded in 2009, it has grown into a sizable organization (around 250-999 employees) with nearly 600 engineers spread across six countries. Symphony specializes in building custom software projects, particularly for large enterprises. Their services cover cloud architecture, mobile and web development, software integrations, and Agile transformation. As a full-service agency, they guide clients from initial strategy through deployment and maintenance.
Symphony has built a reputation for leveraging cutting-edge technology while maintaining strict quality standards. For example, they help companies refactor legacy systems into scalable cloud platforms. Their “Cloud Transformation” division earned high praise in reviews for transparent communication and top-notch deliverables. The firm frequently works in regulated industries like finance and healthcare, where robust, secure development practices are crucial. Its multinational team of 600 experts enables 24/7 development support and deep language/tech expertise. With offices in the Netherlands and abroad, Symphony Solutions exemplifies Amsterdam’s innovation cluster in action.
WeAreBrain is an Amsterdam-based full-service digital product agency founded in 2015. The company employs around 50,249 people, including a core team of 60+ designers, developers, and strategists. WeAreBrain’s focus is on turning ideas into market-ready products; it often acts as an in-house startup team for clients. Services include user experience (UX) design, front-end and back-end development, mobile app development, and digital strategy. The firm is known for its creative multidisciplinary approach, which combines technical execution with business and marketing insights.
WeAreBrain has won awards for product innovation and maintains a strong portfolio of startup and enterprise projects. One key strength is their rapid prototyping capability, enabling clients to test and refine ideas quickly. They leverage modern frameworks (e.g., React, Vue) and cloud platforms to build responsive web apps and mobile apps. Clients appreciate WeAreBrain’s collaborative process: product managers, UX designers, and developers all work together under one roof, ensuring seamless communication. The company also emphasizes metrics-driven development; features are continuously tested and iterated based on user feedback. Overall, WeAreBrain embodies the agile, design-driven side of Amsterdam’s custom software scene.
Attract Group (also known as Attract) is a software development and IT consultancy firm founded in 2011 and based in Amsterdam. With about 50249 employees, they deliver flexible, scalable, and cost-effective development solutions. Key services include web application development, mobile app development, and custom software engineering. Attract Group focuses on aligning technology with clients’ business needs: they build everything from e-commerce platforms to enterprise portals, often using open-source stacks.
Attract Group is noted for its practical, hands-on approach. They frequently work with mid-market companies and startups, offering offshore or nearshore development teams to extend client capabilities without the overhead of hiring in-house. Project managers at Attract emphasize clear communication and milestone-based development. Review highlights describe Attract’s project management as “effective and efficient,” with on-time delivery and friendly, responsive staff. Their expertise spans multiple industries, including logistics, automotive, and finance, enabling them to adapt best practices from one domain to another. By providing end-to-end support (from requirements to maintenance), Attract Group helps Dutch clients innovate rapidly while controlling costs.
Plex Bit Infosystems is an international IT service provider with offices in Amsterdam (and also in Nepal and India). Founded in 2019, Plex Bit is smaller in scale (about 1049 staff in its Dutch branch), but it leverages its global network to deliver end-to-end solutions. The company offers website development, mobile app development (iOS/Android), artificial intelligence & machine learning services, and minimum viable product (MVP) accelerators. Because of its Nepalese development center, Plex Bit is known for cost-effective offshore development combined with local project management in Amsterdam.
Despite its brief history, Plex Bit has made an impact through customer-focused innovation. They serve clients in healthcare, finance, and education, among other sectors. One unique advantage is their startup-friendly model: they not only build products but also help refine the business idea and roadmap. For example, they assist young companies in prototyping an app and taking it to market. The Amsterdam team emphasizes smooth communication and agile delivery, mitigating the challenges of time zone differences. Clients often praise Plex Bit for delivering “seamless and professional” project outcomes at a fraction of the cost (as one review noted), making it a strong mid-market player in the Amsterdam custom software for SME scene.
iSolve Technologies is a global business transformation firm founded in 2004 and headquartered near Amsterdam. With 250,999 employees, iSolve has broad capabilities in custom enterprise software. They provide end-to-end solutions for medium and large businesses, including enterprise application development, CRM/ERP integration, and cloud enablement. iSolve specializes in tailoring software to complex workflows: their team analyzes a client’s business processes and builds robust systems to improve efficiency and revenue. Key industries include Telecom, Finance & Insurance, Life Sciences, and Logistics. iSolve places a premium on reliability and consulting-led engagement. Senior architects work closely with clients to define scalable architectures and ensure compliance with industry standards. For example, they often develop secure customer portals and data analytics platforms for financial clients. They have dedicated centers in the Netherlands and India, allowing 24/7 support and flexible staffing. Reviews highlight iSolve’s professionalism and quality of output; one client praised them as a “world-class software development firm.” Overall, iSolve’s seasoned team and mature processes make it a strong partner for Dutch enterprises seeking to transform or upgrade their software platforms.
Conduction is a small, idealistic IT company founded in 2017 in Amsterdam. With only about 29 developers, Conduction focuses on civic and social innovation projects. Their mission is to “create good ideas and beautiful initiatives” by developing web platforms and mobile apps for nonprofits, communities, and public organizations. Conduction’s portfolio includes apps for urban planning, community engagement, and educational projects.
What sets Conduction apart is their collaborative ethos: they often work alongside volunteers and stakeholders during development to ensure the technology serves real community needs. Technically, the team is versatile in modern web technologies (e.g., Ruby on Rails, JavaScript frameworks), and they prioritize open-source solutions to lower costs. For example, they might build a civic data portal that helps citizens report issues in their neighborhood. Though small, Conduction has earned a reputation for creativity and social impact; one partner lauded their commitment to improving the digital world. This local expertise and mission-driven culture make Conduction a unique fixture among Amsterdam’s dev companies.
Amsterdam Standard (often called “AMS Standard”) is a hybrid web agency and software firm founded in 2013 in Amsterdam. With around 50249 employees, it sits between an ad agency and a pure development shop. Amsterdam Standard provides IT services to companies in the Netherlands and beyond, helping fast-growing startups and scale-ups design and build software, websites, and apps. They pride themselves on a model that combines creative design and technical execution in-house, rather than outsourcing.
The firm’s services include digital product strategy, UI/UX design, front-end/back-end development, and consulting. For instance, they have delivered rich web applications, e-commerce development, other platforms, and mobile experiences for retail and media clients. A focus on user experience is evident: Amsterdam Standard often prototypes interactive concepts before full development. They also offer ongoing support and DevOps services to ensure products stay updated and secure. Client testimonials highlight their “great customer service” and responsive teamwork. By integrating marketing insight with coding prowess, Amsterdam Standard has become a go-to partner for Dutch companies needing end-to-end digital solutions.
Eli5 is an Amsterdam-based digital product studio established in 2013. The name “Eli5” (short for “Explain Like I’m 5”) reflects their mission: they help teams build digital products in a way that’s accessible and understandable. With a team of about 1049 developers and designers, Eli5 focuses on end-to-end product development. They design and build software solutions that might include web apps, mobile apps, or IoT integrations, always with a strong emphasis on user-centered design.
Eli5’s approach is highly collaborative: they often work with clients from the idea stage through user testing and launch. For example, they might conduct design sprints to map out the ideal customer journey before writing any code. The team includes UX researchers, front-end developers, and back-end engineers, allowing them to “design, build, ship, and grow digital products” as a unified process. Industries they serve range from healthcare to fintech, but a common theme is innovation. Clients appreciate Eli5’s ability to distill complex problems into simple, elegant software solutions. In Amsterdam’s ecosystem, Eli5 stands out for its lean, user-first product strategy and its commitment to making technology understandable and impactful.
In summary, Amsterdam’s tech-friendly environment, rich in talent, supportive infrastructure, and international perspective, has given rise to many outstanding custom software firms. The companies above represent a diverse cross-section: from large enterprise services (Symphony, iSolve) to creative product agencies (WeAreBrain, Eli5), and from mission-driven startups (Conduction) to international outfits (Plex Bit, Empyreal). Each brings a unique strength, whether it’s deep industry expertise, agile execution, or creative design thinking. This elevates the entire custom app development Amsterdam ecosystem.
When selecting a partner, consider both technical skills and cultural fit. All of the firms listed here have proven track records (case studies and client reviews) that demonstrate reliability, and they utilize modern development practices to ensure quality. By working with one of these top custom development agencies, Amsterdam-based businesses (and clients from nearby countries) can leverage world-class engineering and innovative ideas. In turn, these software partners benefit from the city’s thriving startup ecosystem and international outlook. Ultimately, whether it’s transforming legacy systems or launching a new digital product, organizations in Amsterdam have no shortage of expert teams to help turn their bold ideas into reality.
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