The 10 Best JavaScript Development Companies in Belgium - 2025 Reviews

Top JavaScript Development Companies in Belgium

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Elevate your web presence with Belgium's top JavaScript Development companies and consultants. Our curated list showcases expert developers ready to bring your digital vision to life. Explore portfolios and client testimonials to find the perfect match for your project needs. Whether you're seeking cutting-edge front-end solutions, robust back-end systems, or full-stack development, these JavaScript specialists have you covered. From responsive web applications to complex enterprise solutions, Belgian developers offer a wealth of expertise. Need a tailored approach? Use Sortlist to post your project requirements, and let skilled JavaScript consultants reach out with customized proposals. Discover the power of Belgian JavaScript development to transform your online presence and streamline your business operations.

Top Featured JavaScript Development Companies

All JavaScript Development Consultants in Belgium

  • 4.9
    (14 reviews)

    Nos solutions numériques sont adapté à vos besoins.

    Innovative Solutions est une société de développement informatique située à Bruxelles. Elle a l'avantage d'offrir un bon rapport qualité-prix et un accompagnement permanent durant tout le processus de programmation de votre projet. Le développement commence directement après la signature du contrat et respecte les délais prévus au départ. Innovative Solutions réalise des applications à l’image de votre entreprise assurant une Expérience Utilisateur unique . Elle vous accompagne également dans la transition digitale de votre structure pour vous aider à mieux évoluer dans notre environnement qui se veut de plus en plus numérique. Notre expertise : - Développement d' Applications Mobiles et Web (IOS, Android, hybride, ERP, CRM) - Accompagnement de la société dans une transition digitale avec la construction d'une équipe - Conseil pour une optimisation de l'Experience Client , analyse des solutions existantes et intégration des solutions adaptées. Nos devis sont complets et prévoient des exemples de mockups pour vous donner une idée visuelle ainsi qu'un emploi du temps pour la réalisation du projet. Avez-vous pour objectif de développer un projet digital ? N’hésitez-pas à demander un devis. ------------------------- Innovative Solutions is a Custom Software Development company located in Brussels. It has the advantage of offering a good quality-price ratio and a permanent accompaniment during the whole programming process of your project . The development starts immediately after signing the contract and respects the deadlines. Innovative Solutions creates applications that reflect your corporate image and ensure a unique User Experience . It also accompanies you in the digital transition of your structure to help you better evolve in our increasingly digital environment. Our expertise: - Development of Mobile and Web Applications (IOS, Android, hybrid, ERP, CRM) - Accompanying the company in a digital transition with the construction of a team - Consulting and IT audit for an optimization of the Customer Experience , analysis of existing solutions, and integration of adapted solutions. Our quotations are complete and include examples of mockups to give you a visual idea and a timetable for the project. Do you have a digital project in mind? Don't hesitate to ask for a quote.
    Looking for work in Javascript Development
    Located in Brussels, Belgium
    From €10,000 for Javascript Development
    Worked in Industrial Goods & Services (+20)
    Speaks French, English
    11-50 members
  • 5
    (5 reviews)

    Software development, Web development, Data Solutions, AI, ML.

    Recommended
    Sigli is een vooruitstrevend softwareontwikkelingsbedrijf dat gespecialiseerd is in digitale productontwikkeling en digitale transformatie. Onze missie, ‘ Data Science with Purpose, Innovation with Impact ’, drijft ons om innovatieve ideeën om te zetten in praktische oplossingen. Onze diensten omvatten de gehele ontwikkelingscyclus, van het eerste concept tot aan de implementatie, zodat elk product dat wij ontwikkelen van hoge kwaliteit, schaalbaar en toekomstbestendig is. Sigli helpt bedrijven te navigeren door de complexiteit van digitale transformatie, hun activiteiten te moderniseren, klantervaringen te verbeteren en het concurrentievoordeel te behouden in het steeds veranderende digitale landschap. De diepgaande expertise van ons team, gecombineerd met de toewijding om gebruik te maken van de nieuwste technologieën en best practices, zorgt ervoor dat wij impactvolle resultaten voor onze klanten leveren. Onze toewijding aan uitmuntendheid wordt verder gedemonstreerd door onze ISO/IEC 27001-certificering, de toonaangevende standaard voor informatiebeveiligingsbeheersystemen (ISMS). Deze certificering benadrukt onze toewijding aan het handhaven van de hoogste normen op het gebied van informatiebeveiliging, waardoor wij een betrouwbare partner zijn voor bedrijven die willen floreren in het digitale tijdperk.
    Looking for work in Javascript Development
    Located in Antwerp, Belgium (+1)
    From €5,000 for Javascript Development
    Worked in Restaurants (+10)
    Speaks English, Dutch(+3)
    51-200 members
  • 4.9
    (3 reviews)

    Gagnez en efficacité et en croissance en externalisant le développement de vos besoins IT.

    Nous sommes convaincus que ce n'est qu'ensemble que nous pouvons obtenir de grands résultats. La collaboration est l'élément clé de notre entreprise. Ici, vous pouvez échanger des idées avec d'autres membres de l'équipe qui partagent les mêmes passions. Chez iterates , vous trouverez un groupe de personnes qui vous mettront au défi et vous soutiendront, car l'objectif principal est de s'inspirer les uns les autres chaque jour ! Nous nous occupons de tout : Nous savons que votre temps et votre productivité sont précieux. C'est pourquoi nous proposons un service informatique complet à 360°. Du développement de logiciels aux tests fonctionnels pour s'assurer du bon fonctionnement, en passant par la gestion de projet et la mise en ligne des applications, nous nous occupons de tout. Faites-nous confiance pour vous fournir les meilleures solutions techniques qui correspondent à vos besoins et à votre budget, afin que vous puissiez vous concentrer sur ce qui compte le plus pour votre entreprise. Des solutions honnêtes et personnalisées: Découvrez une agence à taille humaine qui fait la différence. Chez iterates , nos fondateurs savent comment initier de nouveaux projets pour faire progresser une entreprise tout en respectant un budget établi. Nous mettons notre expertise et recherche d'excellence au service de votre réussite et de celle de votre projet. En faisant appel à nos services, vous vous assurez d'obtenir des services honnêtes, flexibles et sur mesure qui répondent à vos besoins. Nous sommes une entreprise Belge fondée en 2020 par Benoit et Rodolphe : Benoit , notre CTO. Il supervise chaque projet technique. Il applique son expérience et ses connaissances des nouvelles technologies dans tout ce qu'il fait ! Rodolphe , c'est la définition d'un serial-entrepreneur. Toujours en train de développer de nouveaux projets numériques, il vous aidera à choisir les bonnes solutions pour votre entreprise.
    Looking for work in Javascript Development
    Located in Etterbeek, Belgium
    From €1,000 for Javascript Development
    Worked in Software & Computer Services (+12)
    Speaks English, Arabic(+2)
    11-50 members
  • 4.9
    (19 reviews)

    Créons ensemble un site web qui vous ressemble.

    Highly recommended
    Créée en 2010, MFM DIGITAL est une agence spécialisée dans la création de sites web et e-commerces, le design, l'UX/UI, et la création d'applications. Chez nous, la satisfaction de nos clients est notre priorité absolue ! 🤝 Nous sommes convaincus que la clé du succès réside dans la simplicité et la convivialité de nos créations. Nous nous engageons à fournir des solutions de qualité supérieure pour répondre aux besoins de nos clients. Voici ce que nous pouvons vous offrir : 🌟 Des sites web et des applications esthétiques et fonctionnels qui reflètent l'identité de votre marque. 🌟 Une équipe passionnée et expérimentée qui travaillera en étroite collaboration avec vous pour comprendre vos besoins et vos objectifs. 🌟 Des solutions innovantes et adaptées à chaque projet , pour vous démarquer de la concurrence. 🌟 Un service client exceptionnel , avec un suivi personnalisé tout au long du processus de développement. Nous accompagnons les demandes de bout en bout : ✔️ Aide à la réalisation du cahier des charges et définition des spécifications ✔️ Création de charte graphique et d'identité visuelle ✔️ Design, intégration et développement du site Web 📩 Alors, si vous cherchez une agence de développement web passionnée, créative et efficace pour réaliser votre projet, ne cherchez plus ! Contactez-nous dès maintenant pour un rendez-vous GRATUIT et sans engagement.
    Looking for work in Javascript Development
    Located in Watermael-Boitsfort, Belgium
    From €1,000 for Javascript Development
    Worked in Travel & Leisure (+21)
    Speaks French, Dutch, Belgium(+1)
    1-10 members
  • 4.9
    (4 reviews)

    Make Brands Matter More

    Superkraft is not just your average creative agency. We Make Brands Matter More. Superkraft is about craftmanship; a mindset that drives us to go beyond the ordinary. It’s about pushing boundaries, challenging conventions and leaving a lasting impression with every project. Whether you’re looking for a fresh brand strategy, creative concepts or a dazzling approach to social media… We’ve got you covered. To unlock your brand’s fullest potential, we create tailor-made work that is as unique as your vision. Here at Superkraft, creativity knows no bounds and innovation is our driving force. With both national and international projects, we’ve gathered years of experience and have built deep connections with our clients. Our global perspective and local insights allow us to explore diverse markets and deliver personalised solutions in different industries. So, ready to take a plunge into the digital world with us? Reach out! Let's get in touch: hello@superkraft.be or +32 470 11 26 51
    Looking for work in Javascript Development
    Located in Ghent, Belgium
    From €1,000 for Javascript Development
    Worked in Insurance (+15)
    Speaks Dutch, Dutch, Belgium(+1)
    11-50 members
  • 5
    (17 reviews)

    Crafting Impactful Experiences

    We are a strategic design and development studio, crafting exceptional brands and digital experiences for ambitious organizations. At the intersection of strategy, technology, and creativity, we help businesses stand out and achieve their full potential. Our key areas of expertise 1. BRANDING 1.1 Brand Strategy - Market & Brand Research - Positioning & Identity  1.2 Brand Design - Visual Identity - Design & Print - Brand Templates  2. USER EXPERIENCE 2.1 UX Research - Discovery - Definition - Validation 2.2 UX Design - Information Architecture - User Interface Design - Prototyping 3. DEVELOPMENT - Web Development - E-Commerce - Newsletters & Mailings Let's make things happen together: hi@omen.studio
    Looking for work in Javascript Development
    Located in Anderlecht, Belgium
    From €5,000 for Javascript Development
    Worked in Transportation (+21)
    Speaks Dutch, Dutch, Belgium(+2)
    11-50 members
  • 5
    (3 reviews)

    We play to win. Marketing team on demand. Not an agency. We bring expertise, not juniors.

    Recommended
    Most companies do not need an agency, they need a marketing team on demand . We take care of your digital marketing needs. From websites and SEO to paid media and conversion rate optimization. Curious how we are truly different? Send us a message and let's meet. If you serve the coffee, we'll bring the cake. (And that's not a joke!) Our website is a work in progress. We give priority to client work.
    Looking for work in Javascript Development
    Located in Leuven, Belgium
    From €1,000 for Javascript Development
    Worked in Home Services (+3)
    Speaks English, Dutch(+2)
    1-10 members
  • 4.9
    (4 reviews)

    Webdesign bureau dat sterk is in web development.

    Code-on is meer dan alleen een webdevelopment bureau. Het is een team van gepassioneerde professionals die zich inzetten voor het leveren van uitzonderlijk maatwerk. We begrijpen dat elke organisatie uniek is, met haar eigen realiteit, behoeften en wensen. We luisteren intensief en aandachtig naar onze klanten, stellen gerichte vragen en komen met voorstellen die aansluiten bij elke unieke situatie. We zijn niet bang voor een uitdaging en streven ernaar om voor elk probleem een geschikte oplossing te bieden. Ons doel is om ervoor te zorgen dat onze klanten hun doelstellingen bereiken. Onze visie gaat verder dan alleen onze kijk op internet en webdevelopment. We zijn echt geïnteresseerd in de visies van onze klanten. We zien onszelf niet alleen als programmeurs van websites of apps, maar als partners die samenwerken met onze klanten. We verdiepen ons in de visie en doelen van hun bedrijf en nemen hun belangen ter harte. Technologie is een snel veranderend veld, en bij Code-on zitten we zeker niet stil. Ons team bestaat uit een groep van experts, variërend van programmeurs tot projectmanagers. Onze gepassioneerde medewerkers blijven hun kennis voortdurend bijschaven en blijven op de hoogte van de laatste technologische ontwikkelingen. We werken met Python, Django, Vue.js, Nuxt, Django-ninja, Rest-framework en Wagtail CMS, zodat we onze klanten kunnen begeleiden in dit moderne tijdperk vol steeds veranderende uitdagingen. Bij Code-on zijn we klaar om elke web development uitdaging aan te gaan! We zorgen altijd voor een op maat gemaakte softwareoplossing die perfect aansluit bij de behoeften van de klant.
    Looking for work in Javascript Development
    Located in Aalst, Belgium
    From €1,000 for Javascript Development
    Worked in Travel & Leisure (+9)
    Speaks Dutch, Dutch, Belgium(+1)
    1-10 members
  • 4.7
    (13 reviews)

    Own your journey, don't let it own you.

    Top awarded
    Dit kun je verwachten Werken veel interne processen nog zoals in de jaren '90? Denk aan Excel als beste vriend en voorraad handmatig beheren. Dan is het misschien tijd om nieuwe wegen in te slaan. We helpen je technologie af te stemmen op de bedrijfsdoelen. Denk aan webshops, websites met integraties en maatwerk software. Daarnaast kun je bij ons terecht om meer klanten te verwelkomen. Het resultaat? Teams werken efficiënter en productiever, met de flexibiliteit om op afstand de voortgang te monitoren.
    8 works in Javascript Development
    Located in Hasselt, Belgium
    From €950 for Javascript Development
    Worked in Home Services (+18)
    Speaks Dutch, Dutch, Belgium(+1)
    1-10 members
  • 4.7
    (22 reviews)

    Digital Business Accelerator

    Highly recommended
    Top awarded
    DJM digital est le partenaire stratégique qui vous accompagne dans vos projets les plus ambitieux pour les traduire en succès commerciaux. Nous proposons un accompagnement sur mesure afin de vous aider à saisir les réelles opportunités de croissance qui s’offrent à vous. Depuis plus de 25 ans, notre agence repousse les limites pour exploiter la puissance du digital au profit de ses clients. Du développement web et mobile à la stratégie de marque en passant par l’automatisation et la mise en place de campagnes créatives, notre équipe pluridisciplinaire de 50 experts répondra à vos besoins les plus spécifiques. STRATÉGIE Audit Workshop Data Analytics UX/UI DÉVELOPPEMENT Site web E-commerce Application web Application mobile MARKETING Réseaux sociaux Référencement Automation & IA Création de contenu DJM, c’est avant tout une agence digitale animée par la passion de l’innovation technologique. Notre accompagnement stratégique est axé sur la mise en place de solutions sur mesure, reflétant notre engagement pour votre réussite. Vous avez un projet en tête ? Nous serions ravis d'en discuter avec vous !
    Looking for work in Javascript Development
    Located in Vise, Belgium (+4)
    From €1,000 for Javascript Development
    Worked in Technology Hardware & Equipment (+14)
    Speaks French, English
    51-200 members
  • 4.7
    (2 reviews)

    Your digital innovation partner

    We partner with our customers on the journey towards their digital future with fully local, custom-built software solutions. At Endare, we aspire to be your lifelong digital innovation partner. We deliver digital solutions that aren't only successful on a temporary basis, but prove their value for many years to come. We stand for fully local, no-nonsense innovation and aim to boost your business' efficiency, productivity, and competitiveness through a digital switchover. As we focus solely on delivering custom-made, high-quality products, we can say we have profound expertise within our technical area.  Together with your industry knowledge, we create value by understanding your strategy and developing a unique, fitting digital product. We have our eyes focused on the future and what it holds for you, where our team of various personalities and talents will make a great fit for your project! Our services include mobile and web applications (both iOS and Android), UX/UI App Design, Cloud platforms (APIs, databases, integrations, and deployment) and data-driven solutions (AI and Data Analytics). Apart from this, our team is experienced with other technologies as well such as IoT and VR. Be sure to contact us to talk about your specific project! 
    Looking for work in Javascript Development
    Located in Ghent, Belgium
    From €1,000 for Javascript Development
    Worked in Banking & Financials (+9)
    Speaks English, Dutch(+2)
    11-50 members
  • 4.8
    (5 reviews)

    Buzz 2 Be : transformer la présence en ligne en résultat concret.

    Recommended
    Top awarded
    🚀 Découvrez Buzz2Be.be - Votre Agence Web Innovante et Créative! 🌐 À la recherche d'une agence web dynamique pour propulser votre présence en ligne vers de nouveaux sommets? Bienvenue chez Buzz 2 Be, votre partenaire stratégique pour des solutions numériques de pointe. 🎯 Notre Expertise: Nous nous engageons à transformer vos idées en réalité numérique. Notre équipe chevronnée maîtrise l'art du design, du développement web, du marketing digital et bien plus encore pour vous offrir des solutions sur mesure, alignées sur vos objectifs. 💡 Nos Services: - Conception de sites web percutants et ergonomiques - Stratégies de marketing digital efficaces pour maximiser votre visibilité en ligne - Stratégies et gestions des réseaux sociaux (organiques et sponsorisées) - Optimisation SEO pour améliorer votre positionnement dans les moteurs de recherche - Gestion de contenu pour maintenir une présence en ligne dynamique et engageante Notre Engagement: Chez Buzz 2 Be, nous sommes dévoués à faire grandir votre marque et qu'elle se démarque dans le monde numérique. Nous collaborons étroitement avec vous, offrant un service personnalisé et une approche centrée sur vos besoins pour garantir votre satisfaction et participer à votre succès. 👉 Contactez-nous dès aujourd'hui pour booster votre présence en ligne et atteindre de nouveaux horizons! Explorez les services de Buzz 2 Be et laissez-nous vous guider vers l'excellence digitale. 🔗 Visitez notre site dès maintenant sur https://buzz2be.be/ pour découvrir comment nous pouvons donner vie à vos projets digitaux! En résumé , rejoignez-nous et transformez la présence en ligne en résultat concret.
    Looking for work in Javascript Development
    Located in Dinant, Belgium (+1)
    From €1,000 for Javascript Development
    Worked in Political Organization (+4)
    Speaks English, French(+1)
    1-10 members
  • 4.7
    (9 reviews)

    In Digital We Trust

    Recommended
    Andromede Digital est une agence qui provient de la fusion entre technologie et communication . Forte de 20 ans d’expérience dans la communication, la stratégie digitale et le développement web, l’équipe d’Andromede sait pour l’avoir observée la difficulté qu’ont les entreprises à adapter leur technologie.. Nous pouvons être votre partenaire à tout niveau de la chaîne de développement. Les technologies que nous proposons sont libres et collaboratives. Nous pouvons ainsi vous suggérer des solutions sur mesure qui s’adaptent aux besoins business de nos clients. Notre équipe a des années d’expérience dans les technologies de l’information pour des clients privés et institutionnels. Nous comprenons les enjeux tant en termes de stratégie, de technologie, de calendrier et de budget. Nous sommes à même de réunir ces enjeux afin de vous proposer la meilleure solution pour gagner en maturité numérique. A la multiplication d’outils complexes, qui vont alourdir la gestion quotidienne et les coûts, nous préférons l’analyse de la stratégie et des enjeux de votre société. Mieux vous comprendre pour transformer vos idées en outils digitaux sur-mesure. Nos services: Sites web Solutions web sur mesure CMS & e-commerce Consultance Staff Augmentation Sécurité & Hébergement UX/UI Analyse et conseil  Découvrez davantage sur notre site www.andromede.be -- Andromede Digital is an agency that comes from the fusion of technology and communication . With 20 years of experience in communication, digital strategy and web development, the Andromede team knows from experience how difficult it is for companies to adapt their technology. We can be your partner at any level of the development chain. The technologies we offer are open source and collaborative. We can therefore suggest tailor-made solutions that fit our clients' business needs. Our team has years of experience in information technology for private and institutional clients. We understand the challenges in terms of strategy, technology, timing and budget. We are able to bring these issues together to provide you with the best solution to gain digital maturity. Instead of multiplying complex tools, which will add to the daily management and costs, we prefer to analyse your company's strategy and objectives. Understanding you better to transform your ideas into tailor-made digital tools. Our services: Websites Tailor-made web solutions (ERP, intranet, extranet, CRM) Web application CMS & e-commerce  Consultancy Staff Augmentation  Security & Hosting  UX/UI  Analysis and advice  Discover more on our website www.andromede.be
    Looking for work in Javascript Development
    Located in Woluwe-Saint-Pierre, Belgium
    From €1,000 for Javascript Development
    Worked in Entertainment & Events (+15)
    Speaks French, Dutch, Belgium(+1)
    1-10 members
  • 5
    (3 reviews)

    Making waves

    👉 Interessant project? Mail talk@wisemen.digital voor snelle opvolging! ✉️ Wisemen is een digital agency dat met softwareontwikkeling en marketing je groei ondersteunt. Wisemen wil met zijn diensten bedrijven en ondernemers succesvol maken en zorgen dat ze een grote impact kunnen creëren. Vandaar de slogan: making waves. SOFTWARE ONTWIKKELING Onze software op maat van jouw onderneming, doelstellingen en budget is gebouwd om het verschil te maken. Een vlotte gebruikerservaring en attractief design zijn onze stokpaardjes. Complexe integraties Maatwerk Apps AI Planningstools MARKETING Onze marketingstrategie op maat is steeds gebaseerd op internationaal onderzoek naar effectiviteit. We nemen je graag mee in wat dat betekent voor jouw doelstellingen. Campagnes Websites Advertising Video Branding ABOUT US Meer dan 120 wisemen en -women staan klaar om hard te gaan voor jouw doelstellingen. Nooit te corporate, altijd innovatief. We houden van langetermijnrelaties. We stellen een team van experts samen in jouw vakgebied die op maat van je doelstellingen werken. Enkele van onze klanten zijn Elia, Tennis en Padel Vlaanderen, Torfs, Wilms, ABB, Democ en BNP Paribas. DIGITAL ONE STOP SHOP Skip de overdracht tussen verschillende partners! Met digitale strategie, development en marketing hebben we alles in huis om elk project in één flow op te leveren. Met die succesformule konden we al meer dan 350 succesvolle samenwerkingen lanceren, mét positieve impact. KENNISMAKEN Stuur ons een mailtje naar talk@wisemen.digital of vul het contactformulier in op onze website op https://wisemen.digital/
    Looking for work in Javascript Development
    Located in Diepenbeek, Belgium
    From €10,000 for Javascript Development
    Worked in Industrial Goods & Services (+10)
    Speaks Dutch, Dutch, Belgium(+1)
    51-200 members
  • 4.6
    (3 reviews)

    The best Drupal agency in Belgium

    We are a Digital Agency that stands for fact driven, straight-to-the-point solutions. We combine strong technical expertise with in-depth Digital Strategic advice. We deliver our services across three key phases: Think, Build and Grow. THINK delivers on Digital Strategy and concept User Experience Design. We support our clients by doing target audience research and deliver a strong combo of advice, vision and insight.  We BUILD and support solutions around a few industry standard frameworks: Drupal, React and React Native, Laravel and Node.js We help your business GROW through Digital marketing services: SEO and SEO services, automated marketing, email marketing, copywriting and much more.  What can you expect from Calibrate? The Drupal expertise in the Belgian market Open Communication Hands-on approach Flexible project approach via Agile and Scrum methods You need a strong and realiable web partner? Come say hello at www.calibrate.be
    Looking for work in Javascript Development
    Located in Kontich, Belgium (+3)
    From €1,000 for Javascript Development
    Worked in Hospitals & Healthcare (+24)
    Speaks Dutch, Dutch, Belgium(+2)
    51-200 members
  • 5
    (5 reviews)

    Damn good digital products, built to last

    We build human-friendly solutions that become essential and convert. We ship websites and apps that are built to last.
    Looking for work in Javascript Development
    Located in Antwerp, Belgium
    From €1,000 for Javascript Development
    Worked in Real Estate (+5)
    Speaks English, Dutch, Belgium
    11-50 members
  • 5
    (2 reviews)

    Software op maat aan betaalbare prijzen.

    Top awarded
    Het probleem dat vele ondernemingen ongetwijfeld kennen is dat complexe software op maat laten maken vaak heel duur is. Daarom hebben wij bscript opgericht om deze service betaalbaar te maken. Wij maken platformen, web applicaties, mobiele applicaties,... allemaal naar wens van de klant. Dit allemaal rekening houdend met het budget, deadline en de scope van het project. Niet alleen zorgen wij ervoor dat wij meer met uw budget kunnen realiseren dan een gemiddeld IT-bedrijf. Maar ook bij ons is de doorlooptijd veel kleiner waardoor uw applicatie sneller op de markt is. Ons advies is altijd vrijblijvend en gratis. Neem gerust contact op, ook al zouden wij u niet verder kunnen helpen. Wij sturen u altijd in de juiste richting.
    2 works in Javascript Development
    Located in Beveren, Belgium
    From €1,000 for Javascript Development
    Worked in Hospitals & Healthcare (+5)
    Speaks English, Dutch(+1)
    1-10 members
  • 5
    (1 review)

    Brings your application ideas to life

    As a rising web development agency, we specialize in crafting tailor-made web & FileMaker applications
    Looking for work in Javascript Development
    Located in Wemmel, Belgium
    From €1,000 for Javascript Development
    Worked in Entertainment & Events
    Speaks English, French
    1-10 members
  • 4.6
    (8 reviews)

    We help you build products that empower people

    Top awarded
    Lunar is a digital product studio with a particular expertise in HR-tech. Specializing in creating cutting-edge software applications, we revolutionize people management, blending advanced technology with a deep understanding of human-centric processes. Our team is dedicated to delivering digital solutions for an evolving workfoce that significantly enhance business outcomes, ensuring our clients stay at the forefront of HR technological innovation. At Lunar, we pride ourselves on building lasting relationships with our clients, acting as strategic partners in navigating the complexities of HR-tech. Our approach is focused on delivering tailor-made solutions through agile methodologies, ensuring flexibility, rapid adaptation, and alignment with our clients' objectives. With a keen eye on quality, budget fidelity, and timely delivery, our product teams work closely with clients to understand their unique needs, crafting digital experiences that are not only efficient but also engaging and user-friendly. Our core mission is to simplify the complex, crafting lovable digital products that enhance performance and well-being . Whether it's streamlining HR processes, promoting employee engagement, or boosting customer loyalty, Lunar is committed to empowering your workforce with innovative, data-driven solutions. Join us in this journey of digital transformation, where we turn your aspirations into digital success stories.
    Looking for work in Javascript Development
    Located in Antwerp, Belgium
    From €1,000 for Javascript Development
    Worked in Human Resources (+15)
    Speaks Dutch, Dutch, Belgium(+1)
    11-50 members
  • (0 review)

    Wij versterken jouw bedrijf met slimme, digitale oplossingen op maat!

    Bij Canyon Clan creëren we oplossingen die perfect passen bij jouw bedrijf. Of het nu gaat om de ontwikkeling van webapplicatie, een gebruiksvriendelijke app of een compleet platform, we gaan altijd voor eenvoud in gebruik en optimale prestaties. Bij Canyon Clan geloven we dat technologie pas echt succesvol is als het intuïtief werkt voor de mensen die het gebruiken. Daarom zorgen we ervoor dat elk project – groot of klein – perfect aansluit bij de behoeften van jouw doelgroep. Onze focus ligt niet alleen op wat we bouwen, maar vooral op hoe we het bouwen: met oog voor detail, gebruiksgemak en een vlekkeloze customer journey. Neem snel contact op en ontdek hoe wij jouw bedrijfsprocessen kunnen optimaliseren!
    Looking for work in Javascript Development
    Located in Ostend, Belgium
    From €10,000 for Javascript Development
    Works in multiple industries
    Speaks English, Dutch(+1)
    1-10 members

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Insights from a Sortlist Expert: Javascript Development in Belgium

Belgium, known for its rich history and vibrant culture, is also a hub for technological innovation, particularly in Javascript development. The local market boasts a vibrant scene of 320 projects and 88 client reviews, demonstrating a robust capacity for technical projects and client satisfaction.

Prominent Players and Their Success Stories

Key Projects and Collaborations

Javascript development agencies in Belgium have managed various high-profile projects, offering sophisticated solutions to both local and international clients. These projects range from web applications to complex enterprise-grade systems, showcasing the versatility and technical proficiency of Belgian developers.

Awards and Recognitions

The accolades received by local agencies serve as a testament to their excellence and innovation. Recognitions such as the 'Best Javascript Development Company' highlight the high standards and dedication to quality prevalent in the Belgian tech community.

Optimizing Your Budget for Javascript Development

Cost Considerations

Budgeting for Javascript development can vary widely depending on the project's complexity and the agency's stature. Here are a few budgeting tips tailored to various business sizes:

Startups and Small Businesses

For startups and small enterprises, engaging with boutique agencies can be a cost-effective choice. These agencies often offer competitive rates with high-quality services, fitting neatly into budgets ranging from €2,000 to €15,000.

Mid-sized Businesses

For medium-sized businesses which require more comprehensive solutions, the budget can range from €15,000 to €50,000. Partnering with agencies that have a broader skill set and can handle more complex projects is beneficial.

Large Enterprises

Large enterprises might need advanced and scalable applications that integrate seamlessly with their existing systems. Budgets here can start from €50,000 and scale upwards, reflecting the intricacy and scope of such projects.

Review Past Projects

Examining the past works of an agency, showcased by 320 projects, provides critical insights into their capability and style, enabling companies to align with agencies whose creative vision matches their own organizational goals.

Elevate Your Business with Belgian Javascript Experts

Belgium continues to thrive as a leader in technological innovation with its skilled Javascript developers. Whether you are a burgeoning startup or a multinational corporation, Belgian agencies offer tailored solutions to meet your digital needs. With a wealth of experience evidenced by numerous successful projects and positive client feedback, selecting the perfect Javascript development agency in Belgium has never been more accessible. As your local Sortlist expert, I recommend exploring the available options and leveraging Belgian expertise to propel your business forward.

Mahmoud Arfaoui
Written by Mahmoud Arfaoui Sortlist Expert in BelgiumLast updated on the 20-03-2025

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Frequently Asked Questions.


JavaScript plays a crucial role in creating responsive and mobile-friendly web applications, which is particularly important for Belgian businesses aiming to provide seamless user experiences across devices. Here's how JavaScript contributes to responsive and mobile-friendly web development:

  1. Dynamic Content Adaptation: JavaScript allows developers to dynamically adjust content layout and functionality based on screen size and device capabilities. This is essential for Belgian companies targeting both desktop and mobile users, ensuring their web applications look and perform well on various devices.
  2. Responsive Frameworks: Popular JavaScript frameworks like React, Vue.js, and Angular are widely used in Belgium for building responsive web applications. These frameworks provide components and tools that make it easier to create adaptive layouts and responsive designs.
  3. Touch Event Handling: JavaScript enables developers to implement touch-friendly interactions, which is crucial for mobile users. This includes features like swipe gestures, pinch-to-zoom, and smooth scrolling, enhancing the user experience for the growing number of mobile users in Belgium.
  4. Performance Optimization: JavaScript can be used to implement lazy loading techniques, where content is loaded on-demand as the user scrolls. This is particularly beneficial for mobile users in Belgium who may have slower internet connections or limited data plans.
  5. Device Detection: JavaScript can detect the user's device and browser capabilities, allowing developers to tailor the experience accordingly. This is valuable for Belgian businesses that need to cater to a diverse range of devices and browsers used by their customers.
  6. Progressive Web Apps (PWAs): JavaScript is essential in creating PWAs, which are becoming increasingly popular in Belgium. PWAs offer a native app-like experience within a browser, providing offline functionality and improved performance on mobile devices.
  7. Responsive Images and Media: JavaScript can be used to dynamically load appropriately sized images and media based on the user's device, ensuring faster load times and optimal visual quality across different screen sizes.
  8. Accessibility Features: JavaScript helps implement accessibility features that are crucial for responsive design, such as keyboard navigation and screen reader compatibility. This is particularly important in Belgium, where web accessibility is taken seriously and often required by law.

In the Belgian market, where mobile internet usage continues to grow (with 97% of the population using smartphones as of 2023), JavaScript's role in creating responsive and mobile-friendly web applications is more critical than ever. Belgian businesses that leverage JavaScript effectively can provide superior user experiences, improve engagement, and ultimately drive better results from their web presence.

It's worth noting that while JavaScript is powerful, Belgian developers often combine it with other technologies like CSS media queries and flexible grid layouts to create truly responsive designs. The synergy between these technologies allows for the creation of web applications that not only adapt to different screen sizes but also provide interactive and dynamic experiences that Belgian users have come to expect in today's digital landscape.



In Belgium, where the tech industry is rapidly growing, effective collaboration between Javascript development teams and UX/UI designers is crucial for creating seamless user experiences. Here are some best practices that Belgian Javascript development companies and consultants employ:

  1. Early Integration: Involve UX/UI designers from the project's inception. In Belgian tech hubs like Brussels and Antwerp, many companies are adopting agile methodologies that encourage cross-functional collaboration from day one.
  2. Shared Understanding: Organize workshops where developers and designers can align on project goals, user needs, and technical constraints. This is particularly important in Belgium's multilingual environment, ensuring clear communication across teams.
  3. Prototyping Tools: Utilize prototyping tools that bridge the gap between design and development. Tools like Figma and Adobe XD are popular among Belgian teams for their collaborative features.
  4. Component-Based Approach: Implement a component-based design system. Many Belgian companies are adopting this approach to ensure consistency and efficiency in both design and development phases.
  5. Regular Check-ins: Schedule frequent stand-ups or check-ins between developers and designers. In Belgium's work culture, which values work-life balance, these meetings are often kept concise and focused.
  6. User Testing Collaboration: Involve both designers and developers in user testing sessions. Belgium's diverse population provides an excellent opportunity for comprehensive user feedback.
  7. Continuous Learning: Encourage cross-disciplinary learning. Many Belgian tech companies support their employees in attending local workshops and conferences like FOSDEM to stay updated on both design and development trends.

According to a 2023 survey by the Belgian Digital Agency Association, 78% of successful web projects in Belgium attributed their success to strong collaboration between development and design teams. This statistic underscores the importance of bridging the gap between these disciplines.

Furthermore, with the rise of JavaScript frameworks like React and Vue.js in the Belgian market, there's an increasing need for developers who understand design principles and designers who grasp the basics of JavaScript. This cross-pollination of skills is becoming a trend in Belgian tech education and professional development programs.

By implementing these strategies, Javascript development teams in Belgium can work seamlessly with UX/UI designers, resulting in intuitive, user-friendly applications that meet the high standards of the Belgian and broader European markets.



Successful Javascript development companies in Belgium employ several key strategies to stay current with the rapidly evolving ecosystem. These strategies are crucial for maintaining a competitive edge in the dynamic tech landscape of Belgium, known for its innovative IT sector.

1. Continuous Learning and Training:

  • Regular in-house training sessions and workshops
  • Encouraging participation in online courses and certifications
  • Allocating dedicated time for learning new technologies and frameworks

2. Active Participation in Tech Communities:

  • Engaging in local meetups and conferences such as 'JSConf Belgium' and 'React Belgium'
  • Contributing to open-source projects
  • Participating in online forums and discussion groups

3. Leveraging Belgian Tech Hubs:

  • Collaborating with innovation centers like 'BeCentral' in Brussels
  • Participating in tech incubators and accelerators across Flanders and Wallonia
  • Networking with other tech companies in hubs like 'The Beacon' in Antwerp

4. Subscribing to Industry News and Resources:

  • Following reputable Javascript blogs and newsletters
  • Subscribing to Belgian tech publications like 'DataNews' and 'Bloovi'
  • Monitoring ECMAScript proposals and updates

5. Implementing Agile Development Practices:

  • Adopting methodologies that allow for quick adaptation to new technologies
  • Regular code reviews and pair programming to share knowledge
  • Continuous integration and deployment (CI/CD) to stay flexible

6. Establishing Strategic Partnerships:

  • Collaborating with Belgian universities and research institutions
  • Partnering with local tech startups for innovation exchange
  • Engaging with global tech giants that have offices in Belgium, such as Google in Brussels

7. Investing in R&D:

  • Allocating resources to experiment with emerging Javascript technologies
  • Creating internal labs or innovation teams
  • Leveraging Belgium's R&D tax incentives to fund technological advancements

8. Client-Centric Approach:

  • Gathering feedback from clients to understand market needs
  • Adapting development practices to solve real-world problems in the Belgian market
  • Staying attuned to industry-specific requirements in Belgium's key sectors like fintech, biotech, and logistics

By implementing these strategies, Javascript development companies in Belgium can ensure they remain at the forefront of technological advancements, providing cutting-edge solutions to their clients while contributing to Belgium's reputation as a hub for tech innovation in Europe.