Web Development Firms in Brussels

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.

Ixor, gevestigd in Mechelen en actief sinds 2002, bouwt maatwerk in Cloud, Software en Agentic AI.

We werkten o.a. voor Doccle, Telenet, Acerta, De Lijn, Belfius, Securex en Clearfacts, en bouwden ook de Corona Alert App. Naast projecten ontwikkelen we eigen producten: Udini, smartphone-gebaseerde toegangscontrole, en Dokapi.io, API’s voor financiële documentverwerking met OCR en Peppol e-invoicing (gecertificeerd Access Point).

Zo maken we innovatie tastbaar, schaalbaar en impactvol.

An Antwerp based digital agency, driven by ideas, creating relevant and experience driven solutions.

We are convinced that only together can we achieve great results. Collaboration is the key element of our company. Here, you can exchange ideas with other team members who share the same passions. At iterates, you will find a group of people who will challenge and support you, as the main goal is to inspire each other every day!

We take care of everything: We know that your time and productivity are precious. That's why we offer a complete 360° IT service. From software development to functional testing to ensure smooth operation, including project management and application deployment, we take care of everything. Trust us to provide you with the best technical solutions that fit your needs and budget, so you can focus on what matters most to your business.

Honest and personalized solutions: Discover a human-sized agency that makes a difference. At iterates, our founders know how to initiate new projects to advance a business while respecting an established budget. We put our expertise and pursuit of excellence at the service of your success and that of your project. By using our services, you ensure that you receive honest, flexible, and tailor-made services that meet your needs.

We are a Belgian company founded in 2020 by Benoit and Rodolphe:

• Benoit, our CTO. He oversees every technical project. He applies his experience and knowledge of new technologies in everything he does!

• Rodolphe, he is the definition of a serial entrepreneur. Always developing new digital projects, he will help you choose the right solutions for your business.

Eachstapp 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.

Gaspa Agency, your web agency of excellence in Brussels, Belgium.

Together, let's bring your projects to life.

Why choose Gaspa Agency?

Whether you are launching or looking to boost your online business, Gaspa Agency is here to support you every step of the way. We propel your ideas to transform them into digital successes.

Our Services:

• Website Creation

At Gaspa Agency, we don't just create websites, we build tailor-made digital experiences. Our team of experts works hand in hand with you to design sites that combine aesthetics, performance, and ease of use. Whether you need a showcase site, a blog platform, or a creative portfolio, we deliver a project that reflects you.

• Custom Solutions

Every business has specific needs. At Gaspa Agency, we design personalized solutions to meet your requirements precisely. Whether you need a CRM (Customer Relationship Management) to optimize your business interactions or an ERP (Enterprise Resource Planning) to centralize your business processes, we create custom tools. Our goal: to improve your company's efficiency through powerful software solutions fully adapted to your environment.

• Webdesign (UI / UX Design)

Design is the soul of your site. Our talented designers create captivating, ergonomic visual interfaces adapted to all screens. With a design that reflects your brand, we ensure a fluid and memorable user experience.

• E-commerce Solutions

Online commerce is essential. We help you deploy a high-performing online store, ready to convert your visitors into customers. From product catalogs to secure payment systems, we implement a complete e-commerce solution tailored to your specific needs.

• Digital Marketing

In a constantly evolving digital universe, it is essential to stand out. Thanks to our targeted digital marketing strategies, we boost your visibility and effectively connect you with your audience. From SEO to advertising campaigns, we implement concrete actions to generate results.

• Web3 and Blockchain

Gaspa Agency is at the forefront of new technologies. We support you in integrating innovative solutions, whether it's smart contracts, decentralized applications, or blockchain. Prepare your business for the future of the web.

We design, build, and support digital solutions that grow with your business. From clear design to powerful development and reliable hosting—we’re your partner in innovation

Who's Nightborn?

Nightborn help ambitious European companies scale to market leadership through strategic technical partnership.

We're not another development agency. We're the technical partner that transforms ambitious founders and established businesses into category leaders.

Over the past 6 years, we've been the strategic technical force behind 70+ startups and scale-ups across Europe - helping them raise over €30M in funding, scale to hundreds of thousands of users, and establish market leadership in their industries.

Our clients don't hire us for code. They partner with us for strategic technical leadership that accelerates growth, prepares for Series A/B fundraising, and transforms digital capabilities into competitive advantages.

Our expertise

Our few years of experience, allowed us to collaborate with different types of clients and therefore different types of applications.

📩 Looking to create an application intended to be the next big thing on the B2C market? We're the team you need!

📩 Looking for an internal application intended for your employees in order to improve their workflow? We nailed that!

📩 Looking for an MVP and prototype to find investors and collect user's feedback? Yup, we did that as well!

What makes us different

✨ Strategic partnership, not transactional projects

✨ CTO-level technical leadership without equity dilution

✨ Proven at scale: 700K+ users, millions in transactions processed

✨ 95% client satisfaction

Our services

✔️ Strategy: UX Audit, Technical Consulting, Workshops Benchmarking, User Testing, Research

✔️ Design: User Experience Design, Wireframes, User Interface Design, Prototyping, Micro Interactions, Animations

✔️ Development: CI / CD, Database, Back-End, Front-end, Interaction, Automated Testing

CUB3 supports companies during the critical phases of their digital products: taking over troubled projects, clarifying product/tech strategy, and accelerating delivery. Our senior team works on web, mobile, and cloud platforms with a constant focus on reliability, performance, and security.

We cover technical audits, architecture modernization, full-stack development, API/data integrations, DevOps (CI/CD, observability), and team augmentation. We primarily operate in B2B SaaS, e-commerce, mobility, and real-time systems contexts.

Our goal: deliver quickly without sacrificing quality, reduce technical risk, and build a maintainable foundation that supports business growth.

VALKUREN is a deep-tech company accelerating the digital transitions through Artificial Intelligence and Big Data solutions. We help businesses optimize operations, generate actionable insights, and ensure full data sovereignty.

🧠 AI AGENTS & AUTOMATION FOR TEAM EFFICIENCY - 𝑭𝒐𝒓 𝑺𝑴𝑬𝒔, 𝑨𝒔𝒔𝒐𝒄𝒊𝒂𝒕𝒊𝒐𝒏𝒔 & 𝑰𝒏𝒔𝒕𝒊𝒕𝒖𝒕𝒊𝒐𝒏𝒔

Budget constraints? Teams spending too much time on repetitive tasks?

We deploy intelligent AI agents that automate routine work so your teams can focus on what truly creates value.

✔️ No need to hire extra headcount

✔️ Boost efficiency, employee & customer satisfaction

✔️ Stabilize costs while increasing your revenue potential

🏭 INDUSTRIAL OPTIMISATION - 𝑭𝒐𝒓 𝑫𝒊𝒓𝒆𝒄𝒕𝒐𝒓𝒔 𝒐𝒇 𝑷𝒓𝒐𝒅𝒖𝒄𝒕𝒊𝒐𝒏, 𝑸𝒖𝒂𝒍𝒊𝒕𝒚, 𝒂𝒏𝒅 𝑶𝒑𝒆𝒓𝒂𝒕𝒊𝒐𝒏𝒔

Facing challenges with machine quality, long test cycles, or unplanned downtime?

Our predictive AI frameworks anticipate failures, optimize maintenance schedules, and analyze root causes.

✔️ Reduce testing time and downtime

✔️ Improve product quality and customer satisfaction

✔️ Minimize returns and maintenance costs

✔️ Ensure continuous, reliable operations

🚊DATA-DRIVEN MOBILITY STRATEGY & OPTIMISATION - 𝑭𝒐𝒓 𝑹𝒆𝒈𝒊𝒐𝒏𝒔, 𝑪𝒊𝒕𝒊𝒆𝒔, & 𝑴𝒐𝒃𝒊𝒍𝒊𝒕𝒚 𝑶𝒑𝒆𝒓𝒂𝒕𝒐𝒓𝒔

Need to reduce congestion and drive modal shift away from private cars?

We provide Big Data solutions to analyze multimodal transport use and optimize the entire mobility network.

✔️ Encourage more sustainable travel

✔️ Deliver better, more integrated services

✔️ Improve urban planning and last-mile connectivity

✔️ Support your Green Deal and climate goals

💡 Valkuren is emerging as a key European player in sovereign, ethical, and scalable AI, shaping a future where innovation respects both performance and responsibility.

Cartel Agency unites multidisciplinary talents for ambitious brands and hungry eyes. We’re an agency by humans, for humans.

At Cartel Agency, we:

• build brands that cut through the noise

• earn attention through powerful storytelling

• influence behavior by sparking awareness

• prove that marketing works

• drive digital excellence across strategy, tech and performance

Our work is creative, sector-agnostic, results-obsessed and always ready for what’s next. We’re not here to make noise. We’re here to accelerate your business.

D’M&S is one of the largest Belgian independent communication groups with offices in Antwerp, Bruges and Brussels. In +40 years we grew from a marketing focused organisation into a diversified and integrated brand communication company. Both national and international clients rely on our vast expertise to create activating business-to-business and business-to-consumer campaigns. In line with today’s developments in our market, D’M&S is structured in a way that we can cover every aspect of the communication field:

• Insights
• Vision
• Creative
• Digital
• Live

Within D’M&S, our +80 multi-talented people share their expertise, skills, and ideas whenever needed. We apply it on everything we do, thus building powerful, versatile and sales driven communication strategies that fit the client’s goals.

Let’s Create Impact Together

Looking for a partner that thinks ahead, works fast, and delivers integrated communication that truly moves the needle? Let’s connect and build something extraordinary together.

Outsight Studio is a strategy-driven digital design & development partner for bold startups and scale-ups. From UX research to production-ready code, we craft high-impact products that feel as good as they work.

Based at BeCentral in Brussels and working globally, we’re a close-knit team of UX strategists, UI designers, design system experts, engineers and full-stack developers. What unites us? A deep belief that great digital products is more than beautiful: it’s felt.

It solves problems with clarity, humanity, and trust.

Whether you’re building a product from scratch, scaling your platform, or making complexity feel simple – we translate your vision into experiences users actually care about.

Besides SaaS, IaaS, ... Now also #MaaS: Marketing-as-a-Service. That's what we do! ⚡🤘

Marketing Fizz advises and supports B2B companies in smartly deploying marketing for their business objectives. We work in various sectors and know the IT and software world particularly well, but our approach remains the same: translating marketing into clear choices, achievable actions, and measurable growth. As a full-service marketing agency, we offer end-to-end solutions so you can focus on your core business.

We want to lighten the workload of B2B teams. That's why we gladly take over your marketing. Not a checklist or presentation, but an integrated roadmap that we also effectively execute, at the pace and within the budget of your organization.

We expand your in-house marketing and strengthen your position in the market. More visibility, more qualified leads, stronger communication with customers and partners. You determine the goal, we build the plan and execute it.

Want to test us out?

Marketing Fizz offers a free Marketing Maturity Scan. We examine your online presence and marketing approach and provide you with an overview of what works and what can be improved to achieve your goals.

Some relevant questions:

💰 What does this cost? A cup of coffee and an introductory meeting.

💬 What do we look at? Website, social media, SEO, SEA, and more.

🤔 Is there a catch? No. The scan is completely free. Above all, we hope for a good conversation where we can demonstrate our added value.

Leave your details via https://marketingfizz.be/marketing-maturity-scan/ and we will contact you shortly!

Born 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.

⭐⭐⭐⭐⭐ 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.

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.

Solentia is a web agency based in Brussels, specializing in the creation and redesign of websites, e-commerce development, SEO, and web hosting. We support companies in their digital transformation with tailor-made, high-performing, and scalable solutions.

We help purpose-driven organisations to leverage the latest digital and design trends for good. Our proven process helps organisations stand out by building memorable & impactful digital experiences (brands, projects & campaigns) in Brussels and beyond.

Big Smile Agency is a digital agency founded in 2006 which currently has 10 people. Our expertise at your service:

Website Building: Big Smile Agency handles the functional analysis, design, and creation of your websites, mini-sites, or Internet applications. Whether via an existing CMS, custom-made, or tailor-made programming, we focus on the most optimal solution for you.

Social media: Whether on Meta, Tik Tok, Linked in, You Tube or any other, our experience and continuous optimization allow us to meet your most diverse objectives. Awareness, conversion, or community management, each expertise is entrusted to an experienced collaborator.

Natural or paid referencing: Natural referencing (SEO) is an essential basis for a good website. This work requires regular optimization both in terms of site maintenance and its content. Paid referencing (SEA) is a vital tool for quickly generating traffic to your website. One feeds the other: SEA allows us to identify the keywords searched and we integrate them into your site to boost its SEO both in search engines and via AI.

Display Advertising: Banners, Leaderboards, Skyscrapers, IMU, Splash pages, Expandables, Video banners, etc. Expert in html5 programming, we are all Google certified. Furthermore, we master DCO (Dynamic Content Optimization) and also handle the management of third-party servers.

E-mail Marketing: E-mail marketing strategy and creation of responsive HTML emails (reflex campaigns, occasional emails, and reusable templates). Thanks to our long-standing partnership with the company e-mailR (by.emailr.com) we can take charge of managing your e-mail marketing campaigns from A to Z.

All this, always with the biggest smile.