> 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/onet/

# Onet

A facilities services organization with 50,000 to 100,000 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:** Onet (groupeonet.com) is a facilities services organization with 50,000 to 100,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook and Facebook Login.

## How big is Onet?

Onet has 50,000 to 100,000 employees. Among the facilities services providers on this site it sits among the largest. Each dot in the figure is one of its peers, placed by size; the orange dot is Onet.

**Figure: Where Onet sits among facilities services providers.** A strip of dots, one for each of 78 peers in facilities services, spread from 2,000 to 2,000,000 employees on a log scale. Onet is highlighted and falls in the 50,000 to 100,000 employees range among the largest.

*Peers in facilities services 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 Onet headquartered?

Onet is headquartered in Marseille, France.

[Companies in France](https://enrich.chat/companies-in/france/)

## What industry is Onet in?

Onet works in [facilities services](https://enrich.chat/industries/facilities-services/). This group covers firms that maintain, clean, secure and operate commercial buildings and campuses. Similar organizations on this site: [Grupo EULEN](https://enrich.chat/company/grupo-eulen/), [Mitie](https://enrich.chat/company/mitie/), [Verzani & Sandrini](https://enrich.chat/company/verzani-and-sandrini/), [Samsic Facility](https://enrich.chat/company/samsic-facility/), [Cintas](https://enrich.chat/company/cintas/) and [ABM Industries](https://enrich.chat/company/abm-industries/).

## What technology does Onet use?

We detect 11 tools on Onet's public footprint across 8 categories, for example Facebook Login for identity and authentication, Microsoft 365 for email and productivity and Sophos for cdn and security. 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 Onet, by category.** A bar chart of how many tools were detected at Onet in each category: Email and productivity 2, Analytics and tracking 2, Advertising and retargeting 2, Identity and authentication 1, CDN and security 1, Website platforms and CMS 1, Video and media 1.

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

### Identity and authentication

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

### Email and productivity

[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)

### CDN and security

[Sophos](https://enrich.chat/companies-using/sophos/)

### 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/)

### Advertising and retargeting

[Facebook Custom Audiences](https://enrich.chat/companies-using/facebook-custom-audiences/)[LinkedIn Marketing Solutions](https://enrich.chat/companies-using/linkedin-marketing-solutions/)

### Video and media

[YouTube](https://enrich.chat/companies-using/youtube/)

### Social and widgets

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

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 Onet?

Start from the website, groupeonet.com. 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 operations directors, branch managers and facilities leaders.

```text
Use www.enrich.chat to find the operations directors, branch managers and facilities leaders at groupeonet.com, with titles and verified work emails
```

Not sure how addresses are written at Onet? The free [email format finder](https://enrich.chat/tools/email-format-finder/) shows the pattern for groupeonet.com.

## Which other companies use the same tools?

See who else runs the tools Onet uses:

[Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[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/)

## Frequently asked questions

### How many employees does Onet have?

Onet is in the 50,000 to 100,000 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 Onet in?

Onet works in facilities services. This group covers firms that maintain, clean, secure and operate commercial buildings and campuses.

### What technology does Onet use?

Tools detected on its public footprint include Microsoft 365, Microsoft Outlook and Facebook Login, across 8 categories. A detected tool shows it was seen, not what Onet pays for it.

### Where is Onet headquartered?

Onet is headquartered in Marseille, France.

### What is the website of Onet?

Onet's website is groupeonet.com. 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 Onet

```text
Use www.enrich.chat to find the operations directors, branch managers and facilities leaders at groupeonet.com, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Grupo EULEN](https://enrich.chat/company/grupo-eulen/)
- [Mitie](https://enrich.chat/company/mitie/)
- [Verzani & Sandrini](https://enrich.chat/company/verzani-and-sandrini/)
- [Samsic Facility](https://enrich.chat/company/samsic-facility/)
- [Cintas](https://enrich.chat/company/cintas/)
- [ABM Industries](https://enrich.chat/company/abm-industries/)
- [Tsebo Solutions Group](https://enrich.chat/company/tsebo-solutions-group/)
- [Ventia](https://enrich.chat/company/ventia/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
