All UX Optimization Agencies in Brussels
Gaspa 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!Looking for work in UX optimizationLocated in Brussels, BelgiumFrom €2,000 for UX optimizationWorked in Luxury Goods & Jewelry (+22)Speaks English, French1-10 membersNightborn
5(8 reviews)We help founders, startups and scaleups shape outstanding businesses through strategy, design & tech
RecommendedWho'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 TestingLooking for work in UX optimizationLocated in Brussels, BelgiumFrom €2,030 for UX optimizationWorked in Hospitals & Healthcare (+5)Speaks English, Dutch, Belgium(+1)11-50 membersAgifly
4.7(19 reviews)Smart Design & Scalable Development
RecommendedTop awardedWe 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 innovationLooking for work in UX optimizationLocated in Brussels, BelgiumFrom €1,000 for UX optimizationWorked in Industrial Goods & Services (+20)Speaks English, Dutch, Belgium(+1)11-50 membersOutsight Studio
5(2 reviews)We help companies make better product decisions
Outsight Studio is a research-driven product strategy, design and development partner for startups and scale-ups building ambitious digital products. We help companies better understand people, validate opportunities, and turn complex ideas into products that are clear, useful and scalable. From behavioral research and product strategy to UX design, design systems and development, we support teams from early validation to long-term product evolution. Based at BeCentral in Brussels and working internationally, our team brings together strategists, researchers, designers and engineers around one shared belief: great products are not built on assumptions. They are built on real behaviors, real needs and clear decisions. Whether you’re validating a new opportunity, improving an existing platform, or scaling a growing product, we help make complexity understandable and product decisions more grounded.Looking for work in UX optimizationLocated in Brussels, BelgiumFrom €3,000 for UX optimizationWorked in Others (+4)Speaks English, Dutch, Belgium(+1)11-50 membersDevatwork
4.9(23 reviews)Hands-on IT delivery partner | AI & automation, cybersecurity, UX/UI, QA and software development
Top awardedSome IT projects are essential to your business, but your team doesn't have the capacity or the expertise to take them on. That's where we come in. Devatwork is a hands-on IT delivery partner. Our specialists in AI and automation, cybersecurity, UX/UI and quality assurance, backed by our in-house engineering team, work with you in two ways: → Alongside your team: we take one part of the project while your IT team handles another. → End to end: we take the full project and deliver it from start to finish. We believe time is quality and quality is time. One accountable contact, full transparency, no technology bias. Trusted since 2018 by Allianz, Mercedes, Ferrero Rocher, McDonald's, the European Commission and many others. Ghent · Brussels · Paris Book a free 30-minute discovery session: devatwork.be/contact/meetingLooking for work in UX optimizationLocated in Brussels, Belgium (+2)From €5,000 for UX optimizationWorked in Banking & Financials (+15)Speaks English, Dutch, Belgium(+2)11-50 membersMFM Digital
4.9(20 reviews)Let's create a website that reflects you.
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.Looking for work in UX optimizationLocated in Watermael-Boitsfort, BelgiumFrom €1,000 for UX optimizationWorked in Government & Administration (+23)Speaks French, Dutch, Belgium(+1)1-10 membersELECTRIK DREAM ★ Paris & Bruxelles
4.9(41 reviews)Communication de caractère pour marques d’exception ★ Esprit fait-main, couture et sur-mesure
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. — — 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. — — 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 — — Nous vous invitons à visiter notre portfolio présenté sur notre site Internet. - > https://e-dream.studio — — FRANCE +33 7 44 31 08 09 — BELGIQUE +32 460 21 61 19 — WHATSAPP +33 6 11 31 83 09 —Looking for work in UX optimizationLocated in Ixelles, Belgium (+1)From €3,000 for UX optimizationWorked in Industrial Goods & Services (+26)Speaks English, French1-10 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 engineeringLooking for work in UX optimizationLocated in Ixelles, BelgiumFrom €3,000 for UX optimizationWorked in Media (+14)Speaks French, English11-50 membersCubix Advertising
(0 review)We don’t sell views. We sell conversions.
Cubix Advertising is a digital marketing agency founded in 2023 in Brussels. Our studio is at Rond-point Robert Schuman in Etterbeek, and we work in French, Dutch and English. We work with restaurants, shops, salons, construction companies and SMEs that want customers, not just views. Everything is produced in-house: our photographers, videographers and editor have shot and edited more than 2,000 videos. What we do Websites and e-commerce: custom sites with 3D simulators, booking systems, a blog, built-in SEO and Google Ads. An express site can be delivered in 24 hours. Social media: shoots, reels, stories and targeted Meta campaigns on Instagram, TikTok, Facebook and LinkedIn. We install tracking pixels on your website, so every booking, form or WhatsApp message that comes from your social media is measured. SEO and GEO: a method built on Google’s E-E-A-T guidelines, aiming for the Belgian top 3 on your most profitable keywords, and for the brand that ChatGPT, Gemini and Google’s AI answers quote. AI and automation: chatbots, email flows, automated workflows and AI video made from your own photos. Branding: logo, visual guidelines and a coherent design system. Construction: our founder Dylan worked in construction before marketing. Building companies get a free review of their Google listing, website and social media. How we work: strategy first (your market, your real audience, the buying psychology of your industry), no compromise on quality, and results we measure. Every partnership also supports a cause you choose: planting trees, protecting animals or helping people in need. We cover the 19 municipalities of Brussels, Walloon and Flemish Brabant (Waterloo, Wavre, Zaventem, Vilvoorde) and travel across Belgium for shoots.Looking for work in UX optimizationLocated in Brussels, BelgiumFrom €1,000 for UX optimizationWorked in Restaurants (+3)Speaks English, Dutch(+2)1-10 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.Looking for work in UX optimizationLocated in Braine-l'Alleud, BelgiumFrom €1,000 for UX optimizationWorked in Clothing & Accessories (+7)Speaks English, French1-10 membersArtimon Digital
4.9(32 reviews)A pragmatic web agency, when your users reward simplicity and performance.
Hello! Our real job is to transform our clients into happy Partners. To achieve this great objective, we are by your side in the long term to make the digital channel a real lever for growth for your business. Our holistic vision of the web allows us to support you from strategy to operations (consulting & strategy, websites, e-commerce, SEO / SEA referencing). A pragmatic web agency in a field where your users reward simplicity and performance. Welcome to Artimon Digital.Looking for work in UX optimizationLocated in Uccle, Belgium (+1)From €1,000 for UX optimizationWorked in Clothing & Accessories (+18)Speaks French, English(+1)1-10 membersCaracal Agency
4.8(18 reviews)What matters is how far we can go together.
🇬🇧 Caracal is a digital development and consulting agency specializing in web, digital transformation, digital strategy, and branding. We are experts in designing, developing and managing high-quality web applications for businesses. We believe that companies from all sectors can benefit from a carefully designed and managed website to improve their online presence and brand image. As a technologically innovative company, we are always on the lookout for the latest trends and best practices in web development. We believe that the digital space is constantly evolving and companies must adapt to stay competitive. That's why we are committed to providing cutting-edge solutions to our clients to help them achieve their business goals. We aim to deliver solutions to our clients that meet their needs while prioritizing the fluidity of the collaboration process. Since its creation, Caracal has been able to capitalize on several areas that currently constitute its strengths: Special attention to interactions with the client / partner. Technological watch and continuous training of the team Quality and aesthetic standards Alignment with SEO best practice recommendations Specialization in programming languages and frameworks: JavaScript / PHP / React / Node / Next / GraphQL / SQL / ...Looking for work in UX optimizationLocated in Uccle, BelgiumFrom €1,000 for UX optimizationWorked in Legal Services (+15)Speaks English, French1-10 membersDevside
4.7(6 reviews)Devside.com – Building the Future of Digital, One Line of Code at a Time. 🚀
🚀 Devside.com – Digital Innovation & Development 🔹 Who We Are Devside.com is a cutting-edge technology company specializing in web and mobile application development. 🔹 Our Expertise 💡 Custom software solutions 🎨 UX/UI design for seamless experiences ☁️ Cloud integration & data security ⚡ Agile development for fast & efficient delivery 🔹 Why Choose Us? ✔ Over 10 years of experience in digital transformation ✔ A passionate team of developers, designers & strategists ✔ Scalable, high-performance, and user-friendly applications 🔹 Our Mission Turning ideas into reality with innovation, precision, and efficiency. Whether you’re a startup or an enterprise, Devside.com is your trusted digital partner! 🌍 Visit us at Devside.com 🚀Looking for work in UX optimizationLocated in Woluwe-Saint-Lambert, BelgiumFrom €1,000 for UX optimizationWorked in Art & Handcraft (+8)Speaks French, Dutch, Belgium(+1)1-10 membersOmega Websolutions
4.9(17 reviews)Meetbare online resultaten: meer leads & conversies!
Top awardedWebsites en webshops ontwikkelen is al meer dan 10 jaar onze dada. Professioneel maatwerk, daar gaan we voor! We doen er alles aan om trots te zijn op onze projecten. Omdat ze perfect weergeven waar jouw bedrijf voor staat en zo de juiste bezoekers aantrekken. Omdat ze goed scoren in de zoekmachines en je meer leads bezorgen. Omdat onze kneepjes van het vak jou meer aanvragen en klanten bezorgen. Alles start met een grondige intake. We willen weten wie je bent, wat je doet, en ontdekken hoe die nieuwe website jou het leven makkelijker kan maken. We verplaatsen ons niet enkel in jouw hoofd, maar vooral ook in dat van je ideale klant. Zo kunnen we je gericht adviseren over het design, de content en de strategie. We bouwen de website die je nu nodig hebt, en die nu past in je budget. Doordat we de technologie op de voet volgen, kunnen we de geknipte module aanbouwen wanneer nodig. Denk aan een online reservatiesysteem, een klantenzone met login, je website uitbreiden tot een webshop,... Zo groeit je bedrijf ook online mee, en kan je de kosten spreiden as you go. Niet voor niets krijgen we vaak complimenten over onze goede service. Een vlotte samenwerking, lancering op tijd en binnen het vooropgestelde budget vinden we namelijk even belangrijk als jij!Looking for work in UX optimizationLocated in Wingene, BelgiumFrom €1,000 for UX optimizationWorked in Automotive (+18)Speaks Dutch, Belgium, English1-10 membersSuperellipse
5(3 reviews)Award-winning Belgian design and innovation agency for products, brands, experiences, and strategy
Top awardedSuperellipse is a Belgian design and innovation agency with studios in Mechelen and Antwerp. The agency was formed by the merger of two established Belgian design studios: Achilles Design and Studio Dott. We help companies, governments, and organizations tackle complex challenges through a unique combination of strategy, design, and engineering. Our teams work across three practices: Strategy Hub, Product Lab, and Experience Studio. That structure allows us to move fluidly between strategic questions and hands-on execution, from innovation strategy and service design to product development, brand and interior design, and digital experiences. What sets us apart is the mix of disciplines under one roof. Brand designers, industrial designers, engineers, UX designers, spatial designers, and mixed reality specialists work together on the same projects. That cross-disciplinary collaboration consistently produces solutions that are more integrated, more considered, and more ready for the real world. We work across sectors: healthcare, mobility, food and retail, industry, public services, entertainment and more.Looking for work in UX optimizationLocated in Mechelen, Belgium (+3)From €3,000 for UX optimizationWorked in Consumer Electronics (+7)Speaks English, Dutch(+2)11-50 membersHomepage
5(3 reviews)Top awardedA few individuals with vast marketing experience have joined their forces in 2012. Their dream is known today as Homepage - Digital.Creative.Agency . We’ve managed to grow our client base rapidly thanks to our dedication to the latest trends, current content forms, use of all available mediums and communication channels. Homepage team consists of people with different backgrounds and skills . With all the knowledge we’re backed with we are able to answer to any challenge clients put in front of us. Integrated campaign approach allows us to cover all the grounds needed and come up with a top-notch product. All these have positioned us as one of the leading digital agencies in the Balkan region, with a huge number of clients and partners. We’re recognized for our fast and efficient solution managing. Use of the modern technologies, dynamic environment, and a clear vision are the driving forces for each of our projects. Our biggest strength is in our unity . Each project is completed through the close collaboration of all of our teams. A successful campaign is always filtered by each of our team’s members. The philosophy we follow is based on three words – Creativity, Dedication, Usability ! From the concept development to its realization, we push our limits. Thinking outside of the box, we leat the ideas find its way to the targeted audience. We highly cherish our client relationships. There are no typical solutions, only the right solution for the time and need of the client. The strategic approach makes us agile in any situation. We’re always focused on the goals and results we’ve set on the very beginning. During the entire process, we’re looking back at them in order to achieve them. Our work speaks for itself, and thanks to its quality we’ve been able to work with some of the world’s most prestigious companies like – Coca-Cola, Philip Morris International, Nike, Canon, Banca Intesa, Beck’s, Avon, Legend World Wide and many local giants as – Sport Vision, SAGA, OPENS, IVKO, Vapiano, Jelen Beer, Doncafe . Step into our playroom and join others which succeeded in their goals with our help.Looking for work in UX optimizationLocated in Brussels, BelgiumFrom €1,000 for UX optimizationWorked in Non-profit (+6)Speaks English, Croatian(+1)11-50 membersUnderside
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.Looking for work in UX optimizationLocated in Charleroi, BelgiumFrom €1,000 for UX optimizationWorked in Military (+21)Speaks French, English11-50 membersAaltra
4.8(4 reviews)We connect humans with machines to simplify life.
RecommendedAaltra is a Belgian software studio specialised in connecting hardware with the digital world. We design and develop custom applications, cloud platforms, and IoT solutions that seamlessly integrate with your devices. With 18 years of experience, our team of 30 experts helps companies transform complex technology into intuitive, human-centered products, from smart consumer devices to industrial systems.Looking for work in UX optimizationLocated in Melle, BelgiumFrom €1,000 for UX optimizationWorked in Consumer Electronics (+6)Speaks English, Dutch, Belgium(+1)11-50 membersID Agency
4.8(16 reviews)id.agency est votre partenaire privilégié pour toutes vos actions en webmarketing !
Développer son business sur le web ne s’improvise pas : avoir un beau site web, bien référencé, avec une bonne stratégie digitale, c’est indispensable pour faire la différence et attirer l’attention des internautes sur vos produits ou sur vos prestations. L’agence id.agency regroupe toutes les compétences pour vous accompagner dans votre plan de communication digital Nous développons ensemble des sites internet sur mesure, des campagnes de référencement (SEA et SEO) ainsi que des solutions de communication et de gestion des réseaux sociaux.Looking for work in UX optimizationLocated in Herstal, Belgium (+1)From €500 for UX optimizationWorked in Real Estate (+5)Speaks French1-10 membersUAMASTER
5(39 reviews)We are ROI oriented performance agency. Unlock your growth with data-driven marketing.
Highly recommendedTop awarded🎯 We are ROI-oriented digital agency. Performance marketing is our core product, based on 19 years of experience. 🧡 Digital Marketing Services. We skillfully manage all online advertising tools: Digital strategy PPC management: Google Ads, Facebook Ads, LinkedIn, TikTok Video & display ads Brandformance marketing Mobile apps: promo, ads & ASO Web analytics & Mobile analytics SEO (search engine optimization) SERM Email marketing Mobile apps promotion: ASO and paid ads Web development (corporate websites, promo sites, landing pages) 💎 Brilliant experience 20 years 65 countries 960 clients 8 200 projects 🥇 Confirmed qualification Google Premier Partner Meta Badged Partner (ex-Facebook Preferred Partner) 🏆 Award-winning agency Our projects receive awards at advertising festivals: Effie Award, KIAF, ADC and many others. 👁🗨 See our cases on our website: https://uamaster.com/Looking for work in UX optimizationLocated in Etterbeek, Belgium (+1)From €1,750 for UX optimizationWorked in Others (+6)Speaks English, French(+1)11-50 members