> 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/parnassia-groep/

# Parnassia Groep

A mental health care 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:** Parnassia Groep (parnassiagroep.nl) is a mental health care organization with 10,000 to 25,000 employees. Its public technology footprint includes Microsoft 365, Microsoft Outlook and Google Cloud Hosting.

## How big is Parnassia Groep?

Parnassia Groep has 10,000 to 25,000 employees. Among the mental health 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 Parnassia Groep.

**Figure: Where Parnassia Groep sits among mental health providers.** A strip of dots, one for each of 25 peers in mental health care, spread from 2,000 to 2,000,000 employees on a log scale. Parnassia Groep is highlighted and falls in the 10,000 to 25,000 employees range among the largest.

*Peers in mental health care 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 Parnassia Groep headquartered?

Parnassia Groep is headquartered in The Hague, Netherlands.

[Companies in the Netherlands](https://enrich.chat/companies-in/netherlands/)

## What industry is Parnassia Groep in?

Parnassia Groep works in [mental health care](https://enrich.chat/industries/mental-health-care/). This group covers clinics, therapists and treatment centers that provide counseling, psychiatric care and behavioral health services. Similar organizations on this site: [Acadia Healthcare](https://enrich.chat/company/acadia-healthcare/), [99 Cents Only Stores](https://enrich.chat/company/99-cents-only-stores/), [A. O. Smith](https://enrich.chat/company/a-o-smith/), [Access Healthcare Services](https://enrich.chat/company/access-healthcare-services/), [Adira Finance](https://enrich.chat/company/adira-finance/) and [Aeromexico](https://enrich.chat/company/aeromexico/).

## What technology does Parnassia Groep use?

We detect 12 tools on Parnassia Groep's public footprint across 7 categories, for example Google Cloud Hosting for cloud and hosting, Microsoft 365 for email and productivity and Liferay for website platforms and cms. 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 Parnassia Groep, by category.** A bar chart of how many tools were detected at Parnassia Groep in each category: Analytics and tracking 3, Advertising and retargeting 3, Email and productivity 2, Cloud and hosting 1, Website platforms and CMS 1, Video and media 1, Frameworks and libraries 1.

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

### Cloud and hosting

[Google Cloud Hosting](https://enrich.chat/companies-using/google-cloud-hosting/)

### Email and productivity

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

### Website platforms and CMS

[Liferay](https://enrich.chat/companies-using/liferay/)

### 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/)

### Advertising and retargeting

[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/)

### Video and media

[Vimeo](https://enrich.chat/companies-using/vimeo/)

### Frameworks and libraries

[React](https://enrich.chat/companies-using/react/)

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 Parnassia Groep?

Start from the website, parnassiagroep.nl. 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 practice administrators, clinical directors and operations leaders.

```text
Use www.enrich.chat to find the practice administrators, clinical directors and operations leaders at parnassiagroep.nl, with titles and verified work emails
```

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

## Which other companies use the same tools?

See who else runs the tools Parnassia Groep uses:

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

## Frequently asked questions

### How many employees does Parnassia Groep have?

Parnassia Groep 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 Parnassia Groep in?

Parnassia Groep works in mental health care. This group covers clinics, therapists and treatment centers that provide counseling, psychiatric care and behavioral health services.

### What technology does Parnassia Groep use?

Tools detected on its public footprint include Microsoft 365, Microsoft Outlook and Google Cloud Hosting, across 7 categories. A detected tool shows it was seen, not what Parnassia Groep pays for it.

### Where is Parnassia Groep headquartered?

Parnassia Groep is headquartered in The Hague, Netherlands.

### What is the website of Parnassia Groep?

Parnassia Groep's website is parnassiagroep.nl. 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 Parnassia Groep

```text
Use www.enrich.chat to find the practice administrators, clinical directors and operations leaders at parnassiagroep.nl, with titles and verified work emails
```

## Related

- [Companies using a technology](https://enrich.chat/companies-using/)
- [Acadia Healthcare](https://enrich.chat/company/acadia-healthcare/)
- [99 Cents Only Stores](https://enrich.chat/company/99-cents-only-stores/)
- [A. O. Smith](https://enrich.chat/company/a-o-smith/)
- [Access Healthcare Services](https://enrich.chat/company/access-healthcare-services/)
- [Adira Finance](https://enrich.chat/company/adira-finance/)
- [Aeromexico](https://enrich.chat/company/aeromexico/)
- [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)
