Brussels is home to 13 SaaS and AI products actively bought by companies on Cledara, led by AppTweak (0.06% market share). This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 11 September 2026, 01:23 UTC.
| # | Product | Category | Description | Founded | Employees | Funding | 12-mo rank |
|---|---|---|---|---|---|---|---|
| 1 | AppTweak | Marketing & Growth | AppTweak is an app store optimization tool driven by data science that empowers app marketers and developers to increase their app rankings and drive organic downloads. | 2,014 | 51-200 employees | $10M - $25M | +32 |
| 2 | Overloop | Sales & Revenue | Overloop, formerly known as Prospect.io, is a sales engagement platform that supports outbound campaigns through personalized cold emails, LinkedIn automation, and cold calling. It is designed to help sales teams increase productivity by building and managing prospect lists, engaging with prospects across multiple channels, and tracking sales activities to close more deals efficiently. The platfor | 2,015 | 11-50 employees | ||
| 3 | Qover | Finance & Accounting | Qover is an embedded insurance platform that provides APIs and infrastructure to enable businesses to offer tailored insurance products to their customers. It supports distribution, underwriting partnerships and policy management across multiple markets. | 2,016 | 51-200 employees | $25M - $50M | |
| 4 | OpenTheBox | Data & Analytics | 2-10 employees | ||||
| 5 | Bpost | Operations & Supply Chain | 10,001+ employees | ||||
| 6 | SweepBright | Sales & Revenue | SweepBright is a platform that allows real estate professionals to manage property listings, client relationships, and sales processes through a centralized system accessible via mobile and web applications. It enables users to create listings, schedule visits, track interactions, and publish properties to various channels from a single interface. | 2,016 | 11-50 employees | $1M - $5M | +883 |
| 7 | Beebole | People Ops & Talent | BeeBole is a time management software that provides project time tracking, employee time reports, and integrations with tools like Google Sheets and Excel. It supports time off tracking, custom reporting, and project budgeting. | 2,008 | 11-50 employees | ||
| 8 | Cloudpepper | Operations & Supply Chain | Cloudpepper provides a cloud-based platform to deploy and manage Odoo ERP instances on any hosting provider. It enables users to automate, monitor, and maintain Odoo environments through a unified web interface. | 2,021 | 2-10 employees | ||
| 9 | Marker.io | Engineering & DevOps | Marker.io is a tool for website feedback and bug reporting. It integrates with various project management and bug-tracking tools, facilitating communication between developers, designers, and clients. The platform aims to streamline the feedback collection process, to identify and resolve web project issues. | 2,016 | 11-50 employees | ||
| 10 | Wonka AI | Sales & Revenue | Wonka AI provides AI tools and solutions to help teams integrate and deploy artificial intelligence into business processes. Its offerings include secure AI interfaces like chat, mail, and voice tools, as well as AI strategy and workflow automation services. | 2,023 | 11-50 employees | ||
| 11 | Merchery | Operations & Supply Chain | 2,020 | 11-50 employees | |||
| 12 | SimpleBackups | Engineering & DevOps | 2-10 employees | ||||
| 13 | Thalys |
The complete list is available as <a href="/api/export/startups/belgium/brussels.csv">CSV</a> or <a href="/api/export/startups/belgium/brussels.json">JSON</a>.
The largest SaaS company from Brussels by headcount is Bpost (10,001+ employees).
3 of 13 have disclosed funding, topped by Qover ($25M - $50M).
The newest entrant is Wonka AI (founded 2023).
The oldest is Beebole (founded 2008); the newest, Wonka AI (2023).
| Category | Products |
|---|---|
| Sales & Revenue | 3 |
| Operations & Supply Chain | 3 |
| Engineering & DevOps | 2 |
| Marketing & Growth | 1 |
| Finance & Accounting | 1 |
| Data & Analytics | 1 |
| People Ops & Talent | 1 |
| Other | 1 |
Brussels's SaaS scene skews toward Sales & Revenue — 3 of its 13 tracked companies build sales & revenue software.
Brussels accounts for 25% of the 52 ranked SaaS products founded in Belgium.
AppTweak, Overloop and Qover are the most-used SaaS products founded in Brussels, based on real purchasing data from companies on Cledara. Last updated 11 September 2026, 01:23 UTC.
13 SaaS and AI products founded in Brussels are actively bought by companies tracked on Cledara. Aggregators list more registered startups; this ranking counts only products with real, current usage.
SweepBright and AppTweak show the strongest rank gains among Brussels-founded products over the last 90 days.
Most lists rank Brussels startups by funding raised or valuation. This one ranks them by adoption — how many companies actually pay for each product — measured monthly from Cledara's purchasing data.