User Experience (UX/UI) Agencies in Brussels

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

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@ruelle.studio

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

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.

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.

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.

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

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.

We are alpaga

a team of creative minds blending strategy, design, and digital to grow bold and meaningful brands.

We believe branding should be clear, human, and built to last, not follow trends.

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We help small and medium businesses stand out, connect, and scale.

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Build. Growth. Digitize.

Notre agence a été co-fondée par une directrice de création parisienne et un directeur artistique senior belge. Nous sommes donc avant tout tournés vers la créativité, l'authenticité et l'amour du bel ouvrage. Le croisement de nos deux cultures nous permet de créer des univers de marque sophistiqués et imaginatifs.

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NOTRE MISSION :

Vous assurer de toucher vos cibles de manière audacieuse et percutante, et de rayonner grâce à votre singularité.

Nous vous permettons de vous différencier de votre concurrence en sublimant votre univers et de trouver le ton juste dans votre communication, cela dans le but de vous adresser à vos cibles avec pertinence et finesse.

Conscients que chaque organisation doit valoriser son identité, ses savoir-faire et son offre, nous revendiquons le bien-fondé d’une communication sémantique et visuelle à la fois sensible, audacieuse et véritablement unique.

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— CE QUE NOUS FAISONS :

••• Identité de marque > Positionnement | Naming | Identité visuelle | Storytelling

••• Studio Web > Direction artistique | UI/UX Design | Développement Web

••• Studio graphique > Direction artistique | Design graphique | Motion Design

••• Iconographie > Photographie | Illustration | Achat d’art en banque d'images

••• Copywriting > Rédaction Web | Stratégie SEO | Stratégie de contenu

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Nous vous invitons à visiter notre portfolio présenté sur notre site Internet.

- > https://e-dream.studio

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FRANCE

+33 7 44 31 08 09

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BELGIQUE

+32 460 21 61 19

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WHATSAPP

+33 6 11 31 83 09

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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.

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.

Otto is the first creative studio for B2B SaaS product teams. We help you launch features that people love to use through Digital Design and Product Marketing.

Ambitious tech start-ups deserve equally ambitious creatives on their side. Our diverse and multi-skilled team is always up-to-speed with the latest tech and visual trends to create stellar product experiences. We believe the best collaborations are transparent, based on quick turnarounds and constructive feedback. Let’s acknowledge it, building great features is an art. And so is designing and launching them.

Want to collaborate? Wherever you are, we’d love to collaborate.

A historic multilingual content marketing agency in B2B and B2C, Wearethewords specializes in editorial engineering.

Our credo? Maximize the utility, appeal, and sustainability of your editorial heritage, by involving your communities in your communication.

For two decades and then some, we have been helping brands tell who they sincerely are and be what they tell. Discover some of our references.

Our expertise

• Content Marketing
• Editorial Identity
• Search Experience
• Editorial Engineering
• Editorial Redesign

Our packaged editorial services

• Inbound marketing
• E-mail marketing
• SEO content creation
• E-commerce marketing
• Content marketing training

GOOD VIBES ONLY !

In a world full of drama, people are looking more and more for “feel-good” content.

They relate to brands that offer more than just products and/or services.

They engage way more with positive communication.

As a boutique agency, we are experts in delivering:

• Impactful campaigns
• CSR activations
• Seamless production

The perks of teaming up with us? We act as an extension of your team.

• Transparency and open communication are our priorities.
• Together we’re focused on positive and measurable results.
• No time to lose? We will write and finetune your briefings.
• Control freak? Us too… we set up online dashboards to track task assignment, work progress and deadlines.

Go check out our website: www.thecrew.be

At Eazyclick, we create websites that evolve with your business: secure, always up-to-date, and designed to perform. We boost your visibility on Google and AI through SEO, while offering a unique design that perfectly reflects your identity. Most importantly, you'll work with a dedicated team that supports you from A to Z for a smooth, professional, and truly effective result.

Whether you're looking to reorganize your website, create stunning marketing materials, or enhance your social media presence, our solutions enable businesses to stand out in today's competitive digital landscape.

Founded in 2010, MFM DIGITAL is an agency specializing in the creation of websites and e-commerces, design, UX/UI, and application creation.

With us, our clients' satisfaction is our top priority! 🤝

We are convinced that the key to success lies in the simplicity and user-friendliness of our creations. We are committed to providing superior quality solutions to meet our clients' needs.

Here's what we can offer you:

🌟 Aesthetic and functional websites and applications that reflect your brand's identity.

🌟 A passionate and experienced team that will work closely with you to understand your needs and goals.

🌟 Innovative and tailored solutions for each project, to help you stand out from the competition.

🌟 Exceptional customer service, with personalized follow-up throughout the development process.

We support requests from start to finish:

✔️ Assistance in creating the specifications document and defining requirements

✔️ Creation of graphic charter and visual identity

✔️ Design, integration, and development of the website

📩 So, if you are looking for a passionate, creative, and efficient web development agency to carry out your project, look no further! Contact us now for a FREE and no-obligation appointment.

KERN-IT is a Belgian software engineering company that designs, structures, and evolves the digital core of demanding organizations to structure their growth and master their increasing complexity.

We transform informal processes (Excel, emails, ERP, CRM, SaaS) into a coherent central 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 develop business platforms, critical internal software, SaaS, AI agents, and prototypes (PoC, MVP) to test, validate, and industrialize new models.

Our organization is structured around four complementary poles:

• CORE (engineering & business platforms)
• KERNWEB (interfaces & digital presence)
• KERNLAB (innovation, R&D, SaaS & AI agents)
• Kern4Good (digital projects with impact).

For over 10 years, we have supported 50+ clients and completed 100+ projects in Belgium, the Netherlands, France, and Switzerland. We work in French, English, Spanish, Arabic, and Polish.

Our expertise:

• Business platforms and critical internal tools (intranet/extranet)
• Custom ERP & 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
• Web and mobile applications
• Software architecture & Linux infrastructure
• IoT and connected systems (Raspberry Pi, Arduino, sensors, telemetry)
• Cloud infrastructure, DevOps, and security

Main stack: Python (Flask, Django), React, PostgreSQL, AWS/GCP, Docker & CI/CD, API integrations, data engineering.

Digital brilliance by exceptional humans.

Devatwork consists of a team of highly educated tech professionals. We tailor our skills to your specific needs, whether it be website design, application design, AI, data consulting or software development.

We have created a Pan-European team with a broad network of the finest digital experts. We bring to your side the most innovative technologies and solutions, providing the best of capabilities to serve you with the most advanced, innovative and integrated marketing & technological solutions ever existing.

Our team assimilates, breathes, understands and comprehends at all time your requirements through analysing, defining, forward thinking, processing and testing while keeping an overview on any situation.

Our mission is to provide our best of digital services at a fair price.

Our incredibly talented team of developers, engineers and support services’ team constructs high functioning and secure UI/UX strategised digital platforms. Coding comes first.

Read more on our mission via our website - https://devatwork.be/ and follow us on LinkedIn.

Contact - hulloworld@devatwork.be

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All projects deserve our attention. We are a web agency based in Brussels and we transform your ideas into concrete and successful projects, integrating your vision.

We specialize in creating high-quality websites tailored to our clients' needs. We understand that your online presence is essential to the success of your business, and we work tirelessly to ensure that your website reflects the unique character of your brand.

Our team of experienced web developers and designers work together to create custom websites that are visually stunning, easy to navigate, and optimized for search engines. We use the latest technologies and industry best practices to ensure your website is fast, secure, and responsive on all devices.

We offer a range of website creation services, including responsive design, e-commerce solutions, content management systems, and more. Our process is collaborative, and we work closely with you to ensure your website meets your specific requirements and exceeds your expectations.

At our web agency, we pride ourselves on delivering exceptional results, and our commitment to quality is evident in every project we undertake. We have the skills and expertise to create a website that will help you achieve your online goals.

So, if you are looking for a professional and reliable web agency to create a quality website for your business, look no further than our team of experts. Contact us today to discuss your project and see how we can help you enhance your online presence!