Top 53 SaaS Companies in Brussels, Belgium, May 2026

Brussels, Brussels Region, Belgium

We are Zetes – a dynamic global company where innovation meets passion and possibilities are endless. Technology can transform lives. From this cornerstone, we've built an environment that thrives on innovation, collaboration, and service quality since 1984. Our team, composed of 1,300 talented individuals across 22 countries in EMEA, brings together their unique perspectives and expertise to solve our customers’ complex challenges. At Zetes, we don't just adapt to the future; we create it. Every day, we deliver SAAS solutions, optimizing our customer's supply chains & innovating citizen identification across the world. Our work for our B2B customers keeps the goods we need moving, with end-to-end traceability and visibility. Our work for our B2G customers ensures the delivery of a solid basis for legal identity to citizens in their home countries and creates safe movement for them during their travels. We are proud to say that our work touches the lives of people all around the world. We offer more than just a job. We offer a place to grow, innovate, and make a real impact. Here, every idea matters, and our work contributes to shaping a smarter, more connected world. Every day is a chance to redefine the future.

Brussels, Brussels, Belgium

Kampani is a pioneering way to fight poverty and promote development. It invests in producer organisations and agri SMEs in the Global South.

Brussels, Brussels, Belgium

Trusted by over 13,500 customers and empowering more than 330,000 users, efficy is Europe’s leading provider of flexible, scalable, and powerful CRM solutions. Our Mission We are the CRM partner that connects people, technology and intelligence to elevate customers’ experience, cultivating seamless collaboration with agile solutions. Our Vision We bring together human intuition and smart technology, to create clarity, trust and insights, leading to stronger and more sustainable connections. Our Values We connect, deliver, innovate, cultivate trust and embrace diversity!

Brussels, Brussels Region, Belgium

Aukera Energy is a renewable energy company focused on leading the global transition to clean energy across Europe. The company develops, invests in, and operates grid scale renewable energy assets.

Brussels, Belgium

virtual tour solutions for real estate

Brussels, Brussels-Capital Region, Belgium

CrazyGames is a browser games platform that hosts a variety of HTML5 games, garnering over 300,000,000 instant gameplays each month. The company aims to provide a user-friendly platform for playing games online for free.

Brussels, Brussels Region, Belgium

AppTweak is an App Store Marketing & Intelligence Platform driven by data science, enabling mobile leaders to optimize their app’s organic and paid performance in the app stores. AppTweak stands out as the industry's most comprehensive platform, providing ASO Intelligence, Search Ads Campaign Management, App Store Review Management, and Market Intelligence. We empower app marketers with tools, data, and managed services to make more informed decisions and stay ahead of the competition. At the core of AppTweak is Atlas AI, our proprietary deep-learning language model trained on app store data since 2014. This technology, combined with unparalleled support, makes AppTweak the trusted partner for mobile leaders such as Uber, Zynga, and The North Face. AppTweak's Privacy Policy: https://www.apptweak.com/en/legal/privacy-policy AppTweak's VAT: BE0839.873.510

Brussels, Belgium

e-OER is a company that specializes in digital transformation for organizations.

Brussels, Belgium

Developer of an application for live interaction with audience. The company's Web based application enables speakers to interact with their audience during a live conference, corporate meetings or inside a classroom where listeners could vote and rate speakers using smartphones, tablets or laptops.

Brussels, Brussels-Capital Region, Belgium

Since 2007, we are creating the most powerful framework to push the barriers of analytics, predictive analytics and Big Data, while offering a helpful, fast and friendly environment. The TIMi Suite consists of four tools: 1. Anatella (Analytical ETL & Big Data), 2. Modeler (Auto-ML / Automated Predictive Modelling), 3. StarDust (3D Segmentation) 4. Kibella (BI Dashboarding solution). The "TIMi Company"​ was previously named Business-Insight.