> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/company/ku-leuven/

# KU Leuven

A research organization with 10,000 to 25,000 employees. Where it sits among its peers, the technology it runs and how to reach its people.

By Enrich.chat Editorial. Updated October 21, 2026.

**Short answer:** KU Leuven (kuleuven.be) is a research organization with 10,000 to 25,000 employees. Its public technology footprint includes Facebook Login, Microsoft IIS, Ruxit (Dynatrace) and Ubuntu.

## How big is KU Leuven?

KU Leuven has 10,000 to 25,000 employees. Among the research organizations on this site it sits in the larger half. Each dot in the figure is one of its peers, placed by size; the orange dot is KU Leuven.

**Figure: Where KU Leuven sits among research organizations.** A strip of dots, one for each of 120 peers in research, spread from 2,000 to 2,000,000 employees on a log scale. KU Leuven is highlighted and falls in the 10,000 to 25,000 employees range in the larger half.

*Peers in research placed by employee count on a log scale. Sizes are rounded ranges from public profiles.*

Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure.

## Where is KU Leuven headquartered?

KU Leuven is headquartered in Leuven, Belgium.

[Companies in Belgium](https://enrich.chat/companies-in/belgium/)

## What industry is KU Leuven in?

KU Leuven works in [research](https://enrich.chat/industries/research/). This group covers laboratories, institutes and organizations that carry out scientific, technical and academic research. Similar organizations on this site: [Avantor](https://enrich.chat/company/avantor/), [Inserm](https://enrich.chat/company/inserm/), [Sartorius](https://enrich.chat/company/sartorius/), [Sapienza Università di Roma](https://enrich.chat/company/sapienza-universit-di-roma/), [University of Hamburg](https://enrich.chat/company/university-of-hamburg/) and [Ecole Polytechnique](https://enrich.chat/company/ecole-polytechnique/).

## What technology does KU Leuven use?

We detect 27 tools on KU Leuven's public footprint across 12 categories, for example Microsoft IIS for cloud and hosting, Facebook Login for identity and authentication and Ruxit (Dynatrace) for data and observability. The figure counts the tools in each category; the groups below name them and link to the companies that use each one.

**Figure: Tools detected at KU Leuven, by category.** A bar chart of how many tools were detected at KU Leuven in each category: Advertising and retargeting 6, Analytics and tracking 4, Video and media 4, Cloud and hosting 2, Social and widgets 2, Fonts, maps and embeds 2, Identity and authentication 1.

*Tools detected on the public footprint of KU Leuven, by category.*

### Cloud and hosting

[Microsoft IIS](https://enrich.chat/companies-using/microsoft-iis/)[Ubuntu](https://enrich.chat/companies-using/ubuntu/)

### Identity and authentication

[Facebook Login](https://enrich.chat/companies-using/facebook-login/)

### Data and observability

[Ruxit (Dynatrace)](https://enrich.chat/companies-using/ruxit/)

### CDN and security

[OpenSSL](https://enrich.chat/companies-using/openssl/)

### Website platforms and CMS

[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)

### Analytics and tracking

[Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[Hotjar](https://enrich.chat/companies-using/hotjar/)[Piwik (Matomo)](https://enrich.chat/companies-using/piwik/)

### Advertising and retargeting

[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[DoubleClick](https://enrich.chat/companies-using/doubleclick/)[DoubleClick Conversion Tracking](https://enrich.chat/companies-using/doubleclick-conversion/)[Google Dynamic Remarketing](https://enrich.chat/companies-using/google-dynamic-remarketing/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/)[Google Ads Conversion Tracking](https://enrich.chat/companies-using/google-adwords-conversion/)

### Video and media

[Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/)[iTunes](https://enrich.chat/companies-using/itunes/)[Kaltura](https://enrich.chat/companies-using/kaltura/)

### Social and widgets

[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[AddThis](https://enrich.chat/companies-using/addthis/)

### Frameworks and libraries

[ASP.NET](https://enrich.chat/companies-using/asp-net/)

### Fonts, maps and embeds

[Google Maps](https://enrich.chat/companies-using/google-maps/)[Google Maps (non paid)](https://enrich.chat/companies-using/google-maps-non-paid/)

Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/).

## How do I find the right people at KU Leuven?

Start from the website, kuleuven.be. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as lab directors, research administrators and CIOs.

```text
Use www.enrich.chat to find the lab directors, research administrators and CIOs at kuleuven.be, with titles and verified work emails
```

Staff addresses follow a known pattern: see the [KU Leuven email format](https://enrich.chat/email-format/ku-leuven/).

## Which other companies use the same tools?

See who else runs the tools KU Leuven uses:

[Vimeo](https://enrich.chat/companies-using/vimeo/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/)[YouTube](https://enrich.chat/companies-using/youtube/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)

## Frequently asked questions

### How many employees does KU Leuven have?

KU Leuven is in the 10,000 to 25,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide.

### What industry is KU Leuven in?

KU Leuven works in research. This group covers laboratories, institutes and organizations that carry out scientific, technical and academic research.

### What technology does KU Leuven use?

Tools detected on its public footprint include Facebook Login, Microsoft IIS, Ruxit (Dynatrace) and Ubuntu, across 12 categories. A detected tool shows it was seen, not what KU Leuven pays for it.

### Where is KU Leuven headquartered?

KU Leuven is headquartered in Leuven, Belgium.

### What is the website of KU Leuven?

KU Leuven's website is kuleuven.be. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone.

## Try this prompt

Find people at KU Leuven

```text
Use www.enrich.chat to find the lab directors, research administrators and CIOs at kuleuven.be, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Avantor](https://enrich.chat/company/avantor/)
- [Inserm](https://enrich.chat/company/inserm/)
- [Sartorius](https://enrich.chat/company/sartorius/)
- [Sapienza Università di Roma](https://enrich.chat/company/sapienza-universit-di-roma/)
- [University of Hamburg](https://enrich.chat/company/university-of-hamburg/)
- [Ecole Polytechnique](https://enrich.chat/company/ecole-polytechnique/)
- [Imperial College London](https://enrich.chat/company/imperial-college-london/)
- [University of Twente](https://enrich.chat/company/university-of-twente/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
