The 13 SaaS Companies Ranked by Spend from Brussels (2026)
Brussels is home to 13 recorded SaaS and AI products headquartered here, led by AppTweak (0.08% of recorded software spend). The order uses recorded software spend share in the Cledara dataset; directory inclusion does not establish current paid usage. Data as of .
What this ranking measures
Location is the recorded headquarters, which may differ from where a company was founded or where its customers operate. Vendors are ordered by trailing-12-month software spend share in the Cledara dataset. Recorded products without a current paid observation remain in the directory; inclusion alone does not establish current paid usage.
Annual rank changes use the separate global popularity rank, based on payment activity. Missing calendar endpoints stay unavailable. Founding year, employee and funding fields are recorded enrichment facts, which can be incomplete or historical. Full source data is available from the CSV and JSON download links.
The headline and leader facts describe the complete published location. Search and category selections apply to the directory and its downloads.
Top SaaS companies from Brussels
| # | Product | Category | Founded | Employees | Funding | 12-mo activity rank change |
|---|---|---|---|---|---|---|
| 1 |  AppTweak 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. | Marketing & Growth | 2014 | 51-200 employees | $10M - $25M | +82 |
| 2 |  Overloop 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 | Sales & Revenue | 2015 | 11-50 employees | ||
| 3 | Bpost | Operations & Supply Chain | 10,001+ employees | |||
| 4 | OpenTheBox | Data & Analytics | 2-10 employees | |||
| 5 |  Qover 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. | Finance & Accounting | 2016 | 51-200 employees | $25M - $50M | |
| 6 |  SweepBright 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. | Sales & Revenue | 2016 | 11-50 employees | $1M - $5M | +694 |
| 7 |  Beebole 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. | People Ops & Talent | 2008 | 11-50 employees | ||
| 8 |  Cloudpepper 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. | Operations & Supply Chain | 2021 | 2-10 employees | ||
| 9 |  Marker.io 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. | Engineering & DevOps | 2016 | 11-50 employees | ||
| 10 | Merchery | Operations & Supply Chain | 2020 | 11-50 employees | ||
| 11 | SimpleBackups | Engineering & DevOps | 2-10 employees | |||
| 12 | Thalys | |||||
| 13 |  Wonka AI 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. | Sales & Revenue | 2023 | 11-50 employees |
Brussels startups by size and funding
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).
What Brussels startups build
- Sales & Revenue 3
- Operations & Supply Chain 3
- Engineering & DevOps 2
- Marketing & Growth 1
- Data & Analytics 1
- Finance & Accounting 1
- People Ops & Talent 1
- Other 1
Brussels vs Belgium
Brussels accounts for 25% of the 52 recorded SaaS products headquartered in Belgium. See the full Belgium ranking →
Frequently asked questions
Which SaaS vendors lead the Brussels spend ranking?
AppTweak, Overloop and Bpost are the leading SaaS products headquartered in Brussels, ordered by recorded software spend share in the Cledara dataset. Last updated 16 October 2026, 21:09 UTC.
How many SaaS companies are based in Brussels?
13 SaaS and AI products have recorded headquarters in Brussels in this directory. Products without current paid observations remain included. This is a Cledara dataset count, not a census of local companies.
Which Brussels vendors gained payment-activity rank?
SweepBright and AppTweak show the strongest global payment-activity rank gains among vendors headquartered in Brussels over three calendar months.
How is this different from other Brussels startup lists?
This directory groups vendors by recorded headquarters and orders them by trailing-12-month software spend share in Cledara's customer dataset. The annual change column uses the separate global payment-activity rank. Neither measure is a distinct-customer adoption percentage.