The companies in Leuven represent a mix of large established players and younger firms, primarily focused on manufacturing, research, and technology. Notable examples include AB InBev, a global brewing company; KU Leuven, a multidisciplinary university; imec, which innovates in nano- and digital technology; and Materialise, providing solutions for industrial manufacturing. The presence of several research services and technology-driven companies alongside traditional manufacturing indicates a diverse economic landscape.
A significant pattern observed is the strong presence of research and development, with entities like KU Leuven, imec, P95, and KU Leuven - Group T Leuven Campus all headquartered in the city. This suggests a concentration of knowledge-intensive activities and a focus on scientific and technological advancement within Leuven.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
AB InBevab-inbev.com
Global brewing company with over 500 beer brands, creating memorable moments, advancing the industry, and making a positive impact worldwide |
139,770 | |||
| 2 |
KU Leuvenkuleuven.be
A multidisciplinary university founded in 1425, offering research-driven education and being Belgium's largest and one of Europe's most renowned universities |
14,935 | |||
| 3 |
imecimec-int.com
Innovates nano- and digital technology with global partners to create advanced solutions in healthcare, clean energy, and Industry 40 Shapes future |
4,867 | |||
| 4 |
Materialisematerialise.com
Innovative solutions for flexible industrial manufacturing and personalized healthcare through 30 years of experience in additive technologies Leading the way for a sustainable world |
1,915 | |||
| 5 |
Arvestaarvesta.eu
Agricultural innovator offering sustainable smart-farming solutions, expertise in agri-and horticulture, animal nutrition, machines, and retail to support farmers worldwide |
1,326 | |||
| 6 |
Terumo Europeterumo-europe.com
Production, distribution, and marketing of diverse medical devices across interventional, pharmaceutical, hospital care, cardiovascular, and life care sectors in EMEA. |
972 | |||
| 7 |
TOMRA Foodtomra.com
Designs and manufactures sensor-based sorting machines, grading, peeling, and analytical technology for the food industry, improving returns and ensuring food safety globally. |
908 | |||
| 8 |
Nikon Metrologyindustry.nikon.com
Offers innovative metrology products including optical inspection, 3D metrology, vision measuring instruments, and microscopes for various industrial inspection requirements globally. |
469 | |||
| 9 | 346 | ||||
| 10 |
Rikoltorikolto.org
International NGO partnering with farmer organizations and food chain stakeholders globally, focusing on sustainable agriculture, inclusive business, and holistic food systems approach |
328 | |||
| 11 | 237 | ||||
| 12 |
KU Leuven - Group T Leuven Campuskuleuven.be
Engineering education combining technical expertise with creativity, entrepreneurial skills, and holistic understanding of interconnected natural, cultural, and societal systems. |
190 | |||
| 13 |
Septentrio part of Hexagonseptentrio.com
Designing, manufacturing high-precision OEM GNSS receivers and surveying/GIS equipment for consistent, accurate, reliable GPS/GNSS positioning globally across industries. |
186 | |||
| 14 |
Guardsquareguardsquare.com
A leading provider of mobile application security solutions, offering a comprehensive approach to protecting apps through code hardening and real-time threat visibility |
180 | |||
| 15 |
dataroots, a Talan companydataroots.io
Harnessing AI and data-driven solutions to revolutionize operations by enhancing data maturity, optimizing processes, mitigating risks, and enriching customer experiences through scalable cloud platforms. |
141 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
JSR Micro NVjsrmicro.be
JSR Micro NV is a global materials supplier focused on innovation in key industries like life-sciences, energy storage, electronics, and optical materials |
131 | |||
| 17 |
Simera Sensesimera-sense.com
Leading provider optical payloads, data analytics, and end-to-end solutions for small satellite imagers across RGB, video, multispectral, and hyperspectral applications. |
104 | |||
| 18 |
Parkwindparkwind.eu
An integrated offshore wind business developing, financing, and operating wind farms globally, with a focus on making green energy accessible and affordable for all |
95 | |||
| 19 |
TenForcetenforce.com
A dynamic company delivering cutting-edge software products with expertise in semantic technology, machine learning, and big data to digitize business processes and enhance customer intelligence |
79 | |||
| 20 |
icometrixicometrix.com
Offers AI solutions extracting data from brain MRI and CT scans for neurological disorder management and provides a digital platform for MS patient monitoring. |
71 | |||
| 21 |
Datadobidatadobi.com
Global leader in unstructured data management, offering solutions for hybrid-cloud environments to visualize, organize, and manage data growth across storage platforms |
65 | |||
| 22 |
Xenicsexosens.com
Designs, markets infrared imagers, cores, cameras for machine vision, scientific research, transportation, process monitoring, safety, security, and medical applications. Pioneer in infrared technology. |
63 | |||
| 23 |
Sitemarksitemark.com
AI and robotics-powered platform connecting solar site data, teams, and processes for enhanced quality, productivity, and performance across the project lifecycle. |
56 | |||
| 24 |
VaultSpeedvaultspeed.com
Automated Data Transformation solution providing automation templates, data modeling GUI, and metadata repository to enhance management of cloud data warehouse |
55 | |||
| 25 |
Accenture Song BELUXaccenture.com
Accelerating growth and value for clients through end-to-end services: design, technology, creative strategy, and campaign execution with industry expertise |
44 | |||
| 26 |
SEW-EURODRIVE Beluxsew-eurodrive.be
Provides individual drive applications, automation solutions, and industrial gearboxes for production facilities, warehouses, and airports globally with 24/7 service. |
43 | |||
| 27 | 37 | ||||
| 28 |
SettleMintsettlemint.com
A Blockchain Transformation Company enabling enterprises to build and integrate blockchain applications efficiently, and empowering teams with skills and ongoing support |
36 | |||
| 29 |
ps_testwarepstestware.com
Providing independent software quality services and solutions, acting as a trusted partner to ensure quality, efficiency, and control in the software development process |
33 | |||
| 30 |
RiskConcileriskconcile.com
Delivering regulatory reporting, risk calculations, fund fee analysis, and investor onboarding software for European asset managers, insurers, and fund service providers. |
29 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Leuven
The same list elsewhere in Belgium
- Multinational companies in Belgium 1,745
- Multinational companies in Flanders 1,023
- Multinational companies in Wallonia 234
- Multinational companies in Brussels 326
- Multinational companies in Antwerp 162
- Multinational companies in Ghent 77
- Multinational companies in Zaventem 47
- Multinational companies in Mechelen 33
- Multinational companies in Kontich 25