What Parnassia Groep does

Parnassia Groep (legal entity PG Zorgholding BV) is the largest mental healthcare provider in the Netherlands, operating as a non-profit (ANBI-status) GGZ (geestelijke gezondheidszorg) institution headquartered in Den Haag. The organization delivers the full spectrum of mental health services — prevention, short-term help, specialized GGZ, and tertiary TOPGGz care — to approximately 180,000 clients per year across 70 municipalities and roughly 600 general practitioner (huisartsen) practices, employing about 13,500 professionals. It serves all age groups (children, youth, adults, families, elderly) plus specialized cohorts including migrants (transcultural psychiatry), forensic patients, and people with addiction, through a portfolio of sub-brands: Parnassia (adult mental health), PsyQ (anxiety, OCD, trauma, depression, ADHD), Brijder and Triora (addiction), Youz (youth), Indigo (mild-to-moderate complaints), Antes (Rotterdam-Rijnmond region), Reakt (rehabilitation), and 1nP.

The underlying delivery model combines clinical outpatient and inpatient facilities, Flexible Assertive Community Treatment (FACT) home-based teams, GP-embedded services, and digital/telehealth channels including e-health modules (e.g., "Mijn IBT" for blended care acute psychiatry) and VR-based addiction treatment pilots. Parnassia Groep maintains an active research arm with PhD collaborations with the Universities of Amsterdam, Utrecht, Groningen, and Erasmus MC, covering areas such as ECT side effects, esketamine vs. ECT for severe depression (RESET-TRD), pharmacogenetics, and tapering strategies (HAMLET-OPHELIA).

Revenue is generated through reimbursement under the Dutch mandatory health insurance system (Zorgverzekeringswet) and long-term care funding (AWBZ/Wlz), with the go-to-motion driven by GP referrals, direct client registration, social-domain consultations, and crisis/emergency pathways. Pricing is regulated and not publicly disclosed. The organization also co-founded the 1GGZ flexible-employment joint venture with four other GGZ institutions (Fivoor, Altrecht, GGZ Rivierduinen, GGz Centraal), designed to retain clinical staff in the sector under the CAO GGZ framework. No parent company, external shareholders, or public listing are disclosed.

Name

Parnassia Groep

Legal name

PG Zorgholding BV

Website

https://parnassiagroep.nl

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Parnassia Groep is the Netherlands' largest non-profit mental healthcare provider, operating as PG Zorgholding BV with 13,500 professionals serving roughly 180,000 clients per year across 70 municipalities and 600 GP practices through multiple sub-brands spanning prevention, specialized GGZ, and TOPGGz tertiary care.

Ownership category

akta.pro rank

Product category

Mental Healthcare Services

NAICS

Offices of Other Health Practitioners (6213), Individual and Family Services (6241)

SIC

Services-Misc Health & Allied Services, Nec (8090), Services-Offices & Clinics Of Doctors Of Medicine (8011)

akta.pro primary industry

Eating Disorder Treatment Programs (HLAFACAK)

akta.pro secondary industry

Care Management & Population Health Program Administration (HLAEALAG)

Keywords

• Mental healthcare services
• Addiction treatment programs
• Youth psychiatry
• Specialized GGZ care
• Transcultural psychiatry

Headquarters

HQ city

Den Haag

HQ country

Netherlands

HQ region

Europe

Offices5 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Healthcare services reimbursement: Mental health treatment services reimbursed through Dutch health insurance system (Zorgverzekeringswet) and government-funded healthcare (AWBZ/Wlz). Services range from prevention through specialized mental healthcare.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Parnassia Groep is the largest mental healthcare provider in the Netherlands, offering mental health treatment services ranging from prevention and short-term help to highly specialized TOPGGz tertiary care. The organization serves approximately 180,000 clients annually across 70 municipalities through a portfolio of brands including Parnassia, PsyQ, Brijder, Youz, Indigo, Antes, Reakt, Triora, and 1nP, treating conditions such as depression, anxiety, ADHD, autism, addiction, trauma, eating disorders, and psychosis.

Product overview

Parnassia Groep is a mental healthcare organization (geestelijke gezondheidszorg/GGZ) operating as a platform of multiple specialized brands. The organization provides mental health services ranging from prevention and short-term care to specialized GGZ and TOPGGz (highly specialized care) for children, youth, adults, families, elderly, and people with migration backgrounds across approximately 70 municipalities and 600 general practices. The portfolio includes Parnassia (adult mental health), PsyQ (anxiety, trauma, depression, ADHD with TOPGGz expertise), Brijder (addiction treatment), Youz (youth mental health), Indigo (mild complaints), Antes (Rotterdam region), Reakt (rehabilitation), Triora (addiction clinic), and 1nP. The organization employs approximately 13,500 professionals and treats around 180,000 clients annually. Additional initiatives include 1GGZ (flexible staffing joint venture) and the Roeien in Herstel (Rowing in Recovery) program supporting client rehabilitation through sport.

Differentiator

Problem solved

Functional benefit

Products and services

• Parnassia Main brand providing specialized mental health care services for adults with various psychiatric conditions.
• PsyQ Mental health treatment brand specializing in anxiety disorders, OCD, trauma (PTSS), depression, and ADHD with TOPGGz expertise in psychotrauma.
• Brijder Addiction treatment brand offering services for alcohol, drugs, gambling, and gaming addiction, including youth-specific programs.
• Youz Youth mental health brand providing treatment for children, adolescents, and families dealing with psychiatric and addiction issues.
• Indigo Mental health brand providing accessible care for mild to moderate psychological complaints.
• Antes Mental health and addiction services brand serving the Rotterdam-Rijnmond area with specialized psychiatric care.
• Reakt Mental health brand focused on rehabilitation and recovery-oriented care.
• Triora Addiction treatment clinic providing residential and outpatient programs for addiction recovery, operating smoke-free since 2023.
• Crisis and Emergency Mental Healthcare Acute psychiatric crisis intervention services ('Spoed en crisis') for patients requiring immediate mental health support.
• TOPGGz Specialized Tertiary Mental Healthcare Highly specialized tertiary mental healthcare services for complex psychiatric cases meeting strict TOPGGz certification criteria based on latest scientific insights.
• Short-term Mental Health Help (Kortdurende hulp) Short-duration mental health interventions for patients needing brief treatment episodes.
• Mental Health Prevention Programs (Preventie) Preventive mental health programs and education designed to reduce the incidence and severity of mental health problems.
• Transcultural Psychiatry Services Specialized psychiatric care for people with a migration background, providing culturally sensitive mental health treatment through the PsyQ brand in Utrecht.
• Customized Medication Advice (Medicatie-advies op maat) Tailored psychiatric medication consultation and pharmacogenetic advice services for patients and referring physicians.
• Roeien in Herstel (Rowing in Recovery) Program Recovery-oriented program using rowing to support clients in addiction recovery, with 3 own rowing vessels and participation in national and international competitions. Approximately 100 clients participated over five years with at least 60 people achieving remarkable life improvement.

Named customers4 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• 1GGZ consortium (Fivoor, Altrecht, GGZ Rivierduinen, GGz Centraal)coreStrategic or Co-development Partner · 25 June 2025Parnassia Groep launched 1GGZ together with four other mental health institutions. This joint initiative organizes flexible work in mental healthcare without commercial intermediaries. Healthcare professionals get one employment contract at 1GGZ and work within the CAO GGZ framework, with the ability to work across different institutions. First employees expected to be deployable from early 2027. Goal: keep knowledge, people and resources within healthcare sector.
• 113 ZelfmoordpreventiecoreStrategic or Co-development PartnerImportant collaboration partner for suicide prevention. Parnassia Groep works intensively on early detection, treatment and support for relatives. 113 Zelfmoordpreventie provides national suicide prevention hotline and resources.
• University of AmsterdamminorStrategic or Co-development PartnerCollaboration on ECT research, specifically a PhD research project investigating causes of cognitive problems after electroconvulsive therapy.
• Erasmus Medical CenterminorStrategic or Co-development PartnerCollaboration on MUSE study investigating whether music before ECT treatment can reduce post-treatment confusion, and BASE study examining predictive factors for ECT side effects.
• University of GroningenminorStrategic or Co-development PartnerCollaborative PhD research on somatic causes of psychiatric symptoms, developing evidence-based methods for patient clearance.
• Universities of Utrecht, Groningen, AmsterdamminorStrategic or Co-development PartnerHAMLET-OPHELIA project investigating whether faster medication tapering leads to better long-term social functioning for clients, and examining blood markers for subgroups and prognosis.
• Stichting Vrienden van Parnassia GroepcoreGTM or Marketing PartnerFoundation that supports Roeien in Herstel (Rowing in Recovery) program, makes rowing accessible for more clients, and supports clients in their recovery process. Has ANBI status making sponsorship fiscally attractive.
• Stichting Suïcide Preventie CentrumcoreGTM or Marketing PartnerOrganizer of Walk into the Light annual event on World Suicide Prevention Day. Parnassia Groep and GGD participate as partner organizations in Den Haag, Rotterdam, Wormer and Wijk aan Zee.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Lentis: Dutch GGZ provider active in the northern Netherlands offering treatment, housing, and recovery support — comparable service portfolio across youth, adult, and addiction care.
• Reinier van Arkel: Specialized Dutch GGZ provider in 's-Hertogenbosch with strong focus on severe and complex psychiatry — comparable in tertiary care positioning to Parnassia's TOPGGz units.
• Altrecht: Large Dutch GGZ institution providing specialized and general mental healthcare across the Utrecht region; co-founder of 1GGZ with Parnassia Groep, making it a directly comparable peer in scope and operating model.
• GGz Centraal: One of the largest mental healthcare providers in the Netherlands serving the Flevoland and Gooi regions; partner in the 1GGZ consortium and directly comparable in service breadth and catchment size.
• Arkin: Amsterdam-based mental health and addiction treatment provider with multiple brands (including Jellinek and Mentrum), offering directly comparable integrated mental health and addiction services.
• Dimence: Dutch mental healthcare provider in the east of the Netherlands offering treatment for youth, adults, and elderly — comparable in multi-segment mental healthcare delivery.
• GGZ Rivierduinen: Major Dutch mental healthcare provider covering South Holland region, and a co-founder of the 1GGZ consortium alongside Parnassia Groep — directly comparable in scale, service mix, and target population.
• Fivoor: Dutch mental health provider specializing in forensic and high-secure psychiatric care; 1GGZ consortium partner with overlapping patient populations in forensic and complex adult psychiatry served by Parnassia Groep.

Regional players

• MIND (UK): Major UK mental health charity providing information, support, and advocacy across the mental health spectrum — comparable as a non-profit mental health platform serving a national population, though operating in a different regulatory and funding environment.

Broad incumbents

• Acadia Healthcare: US-listed behavioral healthcare operator with inpatient and residential facilities; provides a broader-market reference point for scale, treatment modality mix, and behavioral health economics comparable to a multi-brand GGZ operator.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/ParnassiaGroep
• LinkedInlinkedin.com/company/parnassia-groep
• Instagraminstagram.com/parnassiagroep
• Xx.com/ParnassiaGroep

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Parnassia Groep