All Web App Development Companies in Mons
Underside
4.6(26 reviews)Let's make the world better, thanks to technology.
Underside has been a digital agency active for over 25 years in the digital transformation of companies. We support companies in their projects from the creation of the idea, then through the phases of development, deployment, and maintenance of solutions. We develop mobile applications, websites, e-commerces, management software, and are particularly fond of augmented and virtual reality, chatbots, and artificial intelligence in general. Support for digital transformation (Design Thinking) • Application development • Graphic creations • Maintenance of Apple IT parks • Cybersecurity.10 works in Web ApplicationLocated in Charleroi, BelgiumFrom €5,000 for Web ApplicationWorked in Restaurants (+21)Speaks French, English11-50 membersDJM lab
4.7(8 reviews)Driving innovation through cutting-edge expertise
Highly recommendedDJM lab is a technology hub that works with visionary entrepreneurs, start-ups and ambitious companies. With over 25 years of expertise in software development and digital innovation, we create tailor-made solutions that meet the specific needs of the sectors we serve. From initial concept to large-scale implementation , our objective is clear: to offer cutting-edge technical expertise to give life to promising projects in a constantly changing digital environment.6 works in Web ApplicationLocated in Vise, BelgiumFrom €10,000 for Web ApplicationWorked in Industrial Goods & Services (+9)Speaks English, French11-50 memberssparkle.tech
5(4 reviews)Développement de produits numériques pour startups et entreprises innovantes.
Sparkle est une agence spécialisée dans le développement et le lancement de produits et services numériques pour entrepreneurs et startups à la recherche d'un partenaire technique . Vous êtes une startup, et souhaitez lancer un nouveau produit ? Mettre sur pied une équipe de développeurs est long, coûteux et difficile. Cela doit se faire sans précipitation. Mais souvent, le time-to-market a aussi son importance, et vous souhaitez pouvoir démarrer rapidement avec vos premiers clients. Sparkle met à votre disposition une équipe de développeurs, tous prêts à se consacrer entièrement à votre projet . Votre équipe, dédiée, immédiatement. Depuis 4 ans, la société Sparkle est animée par la passion pour l'innovation numérique. Mettre sur le marché un nouveau produit est une aventure toujours unique, de laquelle nous pouvons à chaque fois tirer des leçons. Et nous avons hâte de pouvoir utiliser cette expérience pour réaliser votre produit . Notre équipe a l'expérience d'avoir accompagné plus de 50 startups et porteurs de projets sur les 10 dernières années : - Développement de MVP ou de produit/service commercialisable - Accompagnement dans la gestion de projet agile - Aide à la levée de fonds - Coaching technique des développeurs internes Au cours de nos collaborations, nous avons acquis une expérience non seulement technique, mais aussi de la réalité du terrain. Dans la vie d'une startup, et dans le développement d'un produit, il faut pouvoir se concentrer sur ce qui apporte le plus de valeur, fermer des portes sans perdre de temps, gérer le risque, pivoter, et agir rapidement. Notre contribution à votre projet ne se limite pas à du "code". Nous partagerons avec vous notre vision, notre expérience. Nous challengerons vos idées, et remettrons peut-être en question certaines de vos certitudes, pour le bien de votre projet ! Nous vous proposerons des solutions existantes quand cela est possible (pas de code et de coûts inutiles), et nous créerons des solutions sur mesure pour ce qui vous rend unique (investir dans votre différenciation). Vous avez la connaissance du secteur, et l'idée qui vous permettra de démarrer une nouvelle activité ? C'est votre force. La notre, c'est de développer ce produit et en faire un succès !7 works in Web ApplicationLocated in Mons, BelgiumFrom €10,000 for Web ApplicationWorked in Software & Computer Services (+6)Speaks French, English11-50 membersInnovative Solutions
4.9(14 reviews)Nos solutions numériques sont adapté à vos besoins.
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.30 works in Web ApplicationLocated in Brussels, BelgiumFrom €15,000 for Web ApplicationWorked in Military (+22)Speaks French, English11-50 membersGaspa Agency
4.9(19 reviews)Web, mobile & AI agency | Custom applications, SaaS & business software | +150 clients
Highly recommendedTop awardedGaspa Agency is a digital agency based in Brussels. We design, develop, and evolve custom digital products, from the initial concept to their production. Our core business: • Web and mobile applications • SaaS platforms and marketplaces • CRM, ERP, and business software • Custom websites and e-commerce • Artificial intelligence integrated into business processes • Branding, product design, and UX/UI Our difference: we start neither from a technology nor from a fixed specification. We first analyze the business challenges, uses, constraints, and objectives to define what really needs to be built. Our method combines Discovery and Delivery: • Understand the need and identify priorities • Design a clear, coherent, and testable experience • Develop a reliable and scalable architecture • Test, deploy, and measure results • Evolve the product based on actual usage Product strategy, UX/UI design, branding, development, artificial intelligence, QA, and management are brought together within the same team. This organization helps secure decisions, limit technical risks, and accelerate deployment without sacrificing quality. Gaspa Agency supports ambitious SMEs, scale-ups, mid-sized companies, and large corporations in Belgium and internationally. Companies looking for a team capable of understanding their challenges, carrying a product vision, and transforming it into a digital experience worthy of their ambitions. Do you have a digital product to launch, modernize, or take over? 👉Let's discuss what your company really needs to build!8 works in Web ApplicationLocated in Brussels, BelgiumFrom €10,000 for Web ApplicationWorked in Luxury Goods & Jewelry (+22)Speaks English, French1-10 membersBlue e-Motion
4.8(18 reviews)Blue e-Motion, the reference web agency to boost your growth
RecommendedBased in Braine l'Alleud, the web agency Blue e-Motion creates and develops high-performance, elegant, scalable (and custom) websites for you to best support your company's growth. We handle design, development, management, and maintenance. We are the partner for loyal clients in the following fields: Showcase website development : offer your company a presentation site tailored to your ambitions Online store creation : develop your online store and boost your digital sales channel Web application design : we design custom web applications for your business challenges. Boteca : the essential platform to boost traffic for your network of points of sale.10 works in Web ApplicationLocated in Braine-l'Alleud, BelgiumFrom €5,000 for Web ApplicationWorked in Hospitals & Healthcare (+14)Speaks French, Dutch, Belgium(+1)1-10 membersBorn Digital
4.8(24 reviews)Born Digital creates beautiful brands and outstanding digital products.
Top awardedBorn Digital creates beautiful brands and outstanding digital products like websites, mobile apps and complex tools and platforms. We help organizations unlock their full potential with bold identities and state-of the art digital products and we thrive when we're faced with complex and creative challenges. Direct interaction We believe in self-steering teams and direct interaction between our team and our customers and we don’t believe in overhead profiles. Information needs to flow directly between you and the people who design and build your project. Problem first, solution second By which we mean we always start with focussing on the needs of both our clients and their customers. We analyse and design the best possible experience first, then pick the best technology stack to turn this design into a performant, flexible and immersive digital experience. Proven methods We never pitch a solution, always an approach. We can take all the insights and experience from previous projects, but that also taught us that every client and every project is different and there’s often something seemingly small that might have a huge impact on the result. We alway rely on a proven methodology that got every single one of our clients to a great result within budget and time.14 works in Web ApplicationLocated in Hasselt, BelgiumFrom €15,000 for Web ApplicationWorked in Government & Administration (+27)Speaks Dutch, Dutch, Belgium(+1)11-50 membersKERN-IT
5(8 reviews)KERN-IT is a Belgian software engineering company that designs, structures, and develops the digital core of organizations, to support their growth and gain clarity and reliability. Whether you have an idea to validate, are launching your first project, or are structuring your entire information system, we adapt the project scope to your needs. We transform informal processes (Excel, emails, ERP, CRM, scattered SaaS) into a coherent system that connects, cleans, automates, and distributes information to the right place. We don't just develop applications. We design the architecture that allows your organization to grow without becoming fragile. We build business platforms, internal software, SaaS, AI agents, and prototypes (PoC, MVP) to give shape to your ideas and validate them before deploying them. We can also transform your vibe-coded or AI-generated prototype into a real platform. With equal engineering quality, our rates are up to 20% more competitive, for robust and stable projects over time. Our organization is structured around four complementary poles: - CORE: engineering and business platforms - KERNWEB: websites and digital presence - KERNLAB: innovation, R&D, SaaS, and AI agents - Kern4Good: digital projects with impact Based in Belgium, with a presence in France and Switzerland, we have supported over 50 clients in more than ten years, reaching as far as the Netherlands. Our expertise: - Business platforms and internal tools (intranet/extranet) - Custom ERP and CRM, adapted to real processes - Scalable SaaS and digital products - Intelligent automation and AI agents integrated into workflows - Prototypes, Proof of Concept, and MVP - Mapping tools and data visualization - IoT and connected systems (Raspberry Pi, Arduino, sensors, telemetry) Main stack: Python (Flask, Django), React, PostgreSQL, API integrations, data engineering17 works in Web ApplicationLocated in Ixelles, BelgiumFrom €5,000 for Web ApplicationWorked in Media (+14)Speaks French, English11-50 membersEachstapp
5(10 reviews)Empowering Your Digital Vision with Innovation and Expertise
Highly recommendedEachstapp was born as and remains a result of true passion for web and mobile applications and their utilities. We aspire to program innovative applications of all types and for all domains. We are a motivated startup team located in Brussels, Belgium. As agile builders of the new world, we are eager to drive the digital revolution forward. As we grow, we continue to educate ourselves to stay in touch with the newest technologies. Our expertise paired with our commitment to the success of our partner companies, agile working methods and collaborative processes lead to unique and high-quality products.10 works in Web ApplicationLocated in Brussels, BelgiumFrom €5,000 for Web ApplicationWorked in Government & Administration (+7)Speaks English, French11-50 membersMamoot Studio
5(2 reviews)We build brands, from identity to experience.
RecommendedBrand · Design · Build Mamoot is an independent studio that builds brands, from identity to experience. We think, design and build projects that range from the brand and its identity to interfaces, websites, platforms and digital products. We can step in at a specific stage or take on the entire project, always with the same attention to substance and form.3 works in Web ApplicationLocated in Braine-l'Alleud, BelgiumFrom €5,000 for Web ApplicationWorked in Clothing & Accessories (+7)Speaks English, French1-10 membersCorellia
(0 review)Custom business software, cloud and mobile
About Us Corellia is a software development company specializing in Web, Mobile, and Cloud technologies. Founded in 2018, the company relies on solid expertise in Microsoft .NET, Angular, React Native, and Microsoft Azure to create custom digital solutions. Services and Expertise Corellia designs and develops software and applications tailored to business needs: web portals, intranets, extranets, and iOS & Android applications. The team also provides on-demand consulting for development, migration, audit, and technical coaching missions. The company's areas of expertise are accounting, logistics, and human resources, allowing for a deeper understanding of business needs when approaching projects. Approach Corellia's approach combines technical rigor with business pragmatism. Technological choices (Microsoft .NET, Angular, React Native, Microsoft Azure) are used to achieve concrete objectives: performance, maintainability, and scalability. The team prioritizes collaboration with stakeholders to define modular and intuitive solutions that are adapted to existing processes and easy to evolve. Added Value and Differentiators Corellia stands out through its industry focus (accounting, logistics, human resources) and the complementarity between development and consulting. This dual role allows them to support clients throughout the project lifecycle: needs analysis, technical implementation, migration, quality audit, and team training/coaching. The use of modern Cloud platforms enhances deployment resilience and flexibility. Conclusion / Contact Whether for a mobile application, a business portal, or a technical consulting mission, Corellia offers pragmatic, results-oriented expertise. To discuss a project, migration, or audit, contact the team at hello@corellia.be.Looking for work in Web ApplicationLocated in Mons, BelgiumFrom €6,000 for Web ApplicationWorks in multiple industriesSpeaks English, French1-10 membersDeuse
4.7(19 reviews)A Belgian benchmark in custom software and AI
Top awardedDeuse is a computer engineering company based in Brussels, Liège and Hasselt. Ranked in the Deloitte Technology Fast 50 for three consecutive years, it has developed the secure messaging system of the Parliament of Wallonia, the booking platform for Pairi Daiza and the official application of the Spa-Francorchamps Grand Prix. It is also a recognised artificial intelligence player in Belgium: Deuse is the technology partner for nearly 20% of the winning projects in Digital Wallonia’s Tremplin IA calls for projects, and works as an AI expert at the HEC Liège Digital Lab. Founded in 2016 by twin brothers Julien and Maxime Deuse, the company brings together around 50 employees. It works with SMEs, public administrations and major corporations alike, including Fluxys, Elia, Infrabel, STIB, Proximus, TotalEnergies, Umicore and Magotteaux. Mobile applications, web platforms and interfaces, management software, e-commerce solutions and artificial intelligence solutions are designed and developed in-house. Its founders received the 2024 Étincelle de Wallonie, an award from the Walloon Government, and the company has been included in the Trends Gazelles ranking since 2022. Its journey has been covered by Forbes, Paris Match, La Libre and RTBF. The quality of its development work is regularly audited by CETIC, Belgium’s centre of excellence in information and communication technologies, where Deuse consistently achieves very high scores.24 works in Web ApplicationLocated in Liège, BelgiumFrom €10,000 for Web ApplicationWorked in Others (+18)Speaks French, Dutch(+2)51-200 membersDreambridge B.V.
5(10 reviews)Highly recommendedTop awardedWhen 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.5 works in Web ApplicationLocated in Namur, Belgium (+1)From €7,500 for Web ApplicationWorked in E-commerce (+8)Speaks English, French51-200 membersNYBE
4.8(35 reviews)Work smarter, not harder.
RecommendedTop awardedReplace endless Excel work, manual administration, and inefficient tools with a system that fits the organization and the people who work with it every day. The result? Time savings, overview, scalability, and control over your business 📈🌱. No major changes overnight, but a structured and step-by-step implementation with all stakeholders. Together with our team, we have already helped over 100 companies transition from fragmented processes to one efficient system – fully tailored to their operations. Typical clients of NYBE: - SMEs with complex inventory processes. - Businesses that want to work more efficiently. - Companies that want to spend more time on their core business.9 works in Web ApplicationLocated in Hasselt, BelgiumFrom €5,000 for Web ApplicationWorked in Construction (+19)Speaks Dutch, Dutch, Belgium(+1)11-50 membersTRIPTYK
(0 review)TRIPTYK est une société de complémentarité interactive à votre service. Avec une expérience de plus de 11 ans dans le développement interactif et multimédia offline et online. TRIPTYK propose des services de formations, de conseil et de développement aux clients qui souhaitent réaliser du web interactif, des applications (AIR), de l'e-learning, du serious gaming , du mobile ou le tout en un concept. En tant qu’agence, nous vous proposons bien entendus les services de communication multimédia et prépresse, intégrant les métiers de l’art visuel et les techniques du développement interactif. Aussi, nous proposons la conception , la direction artistique, l’audit, la refonte et l’hébergement de vos sites web. Une pluridisciplinarité rendue possible grâce à la présence, dans l'équipe de TRIPTYK, de collaborateurs spécialisés dans les multiples domaines d'application multimédia. TRIPTYK est une société de complémentarité interactive à votre service. Avec une expérience de plus de 11 ans dans le développement interactif et multimédia offline et online. TRIPTYK propose des services de formations, de conseil et de développement aux clients qui souhaitent réaliser du web interactif, des applications (AIR), de l'e-learning, du serious gaming , du mobile ou le tout en un concept. En tant qu’agence, nous vous proposons bien entendus les services de communication multimédia et prépresse, intégrant les métiers de l’art visuel et les techniques du développement interactif. Aussi, nous proposons la conception , la direction artistique, l’audit, la refonte et l’hébergement de vos sites web. Une pluridisciplinarité rendue possible grâce à la présence, dans l'équipe de TRIPTYK, de collaborateurs spécialisés dans les multiples domaines d'application multimédia. Serious gaming, e-learning, advertising, HTML5, CSS3, JAVASCRIPT, EMBERJS, NODEJS5 works in Web ApplicationLocated in Mons, BelgiumFrom €5,000 for Web ApplicationWorked in Real Estate (+5)Speaks French, Dutch, Belgium(+1)1-10 membersORANGE BLEU
(0 review)Your SaaS project deserves more than just a dev.
Hello, I am Antoine, founder of ORANGE BLEU, an agency specializing in supporting executives and entrepreneurs who wish to launch their digital project, particularly in the field of SaaS applications. Our expertise lies in our ability to transform entrepreneurial visions into concrete successes. We don't just advise – we structure, guide, and support every step of your project, from ideation to launch, adopting a methodical approach that has proven effective. What sets us apart? Our ability to make the complexity of digital development accessible. We know you are an expert in your field, and our role is to give you the keys to realize your vision, even if you are not tech-savvy. Antoine2 works in Web ApplicationLocated in Mons, BelgiumFrom €20,000 for Web ApplicationWorked in Legal Services (+5)Speaks English, French1-10 membersGigaweb
4.8(31 reviews)Our talents at the service of your business objectives!
We are a digital agency with the sole objective of your success . Our team is multidisciplinary, combining experts in the web, application development, SEO, marketing, and project management. All of our skills align with our global vision to deliver the best experience to your users. Consulting: Business strategy consulting Audits for optimal digitalization Web Design: Website (attractive design, responsive) E-commerce Web applications (custom development) SEO: Aim for the top 10 in search engines (Google, Bing, etc.) Google Adwords marketing campaigns Social media campaigns (Facebook, Instagram, Linkedin, etc.)9 works in Web ApplicationLocated in Liège, BelgiumFrom €5,000 for Web ApplicationWorked in Construction (+17)Speaks French, Dutch, Belgium(+2)1-10 membersDickytall & Sons
4.5(12 reviews)Digital craftsmen by experience. Websites and webshops that score on Google, AI & with customers.
Dickytall & Sons builds websites that work, not just look good. From Antwerp, with hands-on involvement, no account managers in between. Craftsmanship is not a marketing word for us. It means: sites that load as they should, structures that are correct under the hood, and content you can manage yourself without having to call us every time. We like straightforward communication and we deliver what we promise, no more, no less. From simple brochure websites to complex webshops and multilingual platforms, linked to the tools you already use via APIs: if it needs to run online and keep running, we've probably built it before.15 works in Web ApplicationLocated in Antwerp, BelgiumFrom €1,000 for Web ApplicationWorked in Automotive (+15)Speaks Dutch, Dutch, Belgium(+3)1-10 membersTwoStack
(0 review)2 works in Web ApplicationLocated in Mons, BelgiumFrom €1,000 for Web ApplicationWorked in Others (+2)Speaks English, French1-10 membersLeaware
4.8(13 reviews)We build the right software. We build the software right.
Top awarded⭐ IT Leader Awards winner | Software house & AI automation partner for SMEs across DACH, Benelux and the Nordics For 16 years, Leaware has built custom software and AI automations that remove manual work and deliver measurable results. Our 40-person team has delivered web and mobile platforms, AI applications and process automations for 100+ companies in 20 industries, including Microsoft, AXA and SAP. We work remotely by design with clients in Germany, Belgium, the Netherlands and the Nordics: same time zone, EU-based team, GDPR-compliant delivery and one point of contact who speaks business, not just tech. WHAT WE DO 🟢 Custom Software Development – web and mobile apps (iOS & Android), SaaS platforms, MVPs. 🟢 AI Applications – custom AI assistants, document processing and LLM tools integrated with your systems. 🟢 Business Process Automation with AI – invoice processing, quoting, reporting, CRM/ERP data sync. 🟢 Odoo ERP & CRM – staged implementations extended with AI. 🟢 Digital Strategy – discovery workshops, technical audits and roadmaps before you commit budget. 🟢 Team Extension – experienced developers joining your team. HOW WE WORK 1. Discovery workshop – we map your process and define the scope together. 2. First phase with a clear price – one fixed-scope step, quick results. 3. Scale what works – expand step by step, with no big-bang risk. WHY LEAWARE 🔵 Business first – we start from your process and ROI, not technology. 🔵 One team, full scope – analysis, UX/UI, development, QA and AI under one roof. 🔵 16 years of international delivery and long-term partnerships across Europe. We don't just deliver code. We design, automate and scale solutions that pay for themselves.28 works in Web ApplicationLocated in Torun, Poland (+5)From €3,000 for Web ApplicationWorked in Insurance (+33)Speaks English, Dutch(+4)51-200 members