Diarium
Diarium is a Finnish cloud-based patient information system serving over 10,000 therapy and rehabilitation professionals across 1,800+ companies, offering KANTA-certified documentation, an AI assistant, electronic forms, and remote appointments via a subscription model.
- Company typePrivate
- Founded-
- HeadquartersEspoo, Finland
- Headcount101–250
- GTM typeB2B and B2C
- OfferingSoftware
What Diarium does
Diarium is a Finnish software company headquartered in Espoo that provides a cloud-based patient information system for therapy and rehabilitation professionals. The product is browser-accessible without installation, KANTA-certified, and registered in Valvira's information system registry as a Class A system, satisfying Finland's strictest healthcare data security requirements. It serves physiotherapists, occupational therapists, speech therapists, psychotherapists, massage therapists, and other rehabilitation professionals, with a customer base of over 10,000 individual practitioners across more than 1,800 companies ranging from solo clinicians to larger rehabilitation facilities.
The platform includes an AI-powered documentation assistant (launched 2025), electronic forms, secure remote video appointments (launched 2026), and integrated online booking via a partnership with Nordhealth.fi. Diarium generates revenue primarily through recurring subscriptions from healthcare professionals, with a separate consumer offering — a personal journaling application sold as a one-time $9.99 per-platform purchase. The company employs 101-250 people, operates exclusively in Finland, and distributes primarily through direct and inside sales supported by organic web presence and word-of-mouth within the domestic healthcare community. No funding rounds, acquisitions, or ownership disclosures are present in the available data.
Diarium firmographics
Firmographics- Name
- Diarium
- Legal name
- Diarium
- Website
- https://diarium.fi
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Diarium is a Finnish cloud-based patient information system serving over 10,000 therapy and rehabilitation professionals across 1,800+ companies, offering KANTA-certified documentation, an AI assistant, electronic forms, and remote appointments via a subscription model.
- Ownership category
- akta.pro rank
Diarium industry classification
Industry- Product category
- Healthcare Practice Management Software
- NAICS
- Offices of Physical, Occupational and Speech Therapists, and Audiologists (62134), Software Publishers (51321)
- SIC
- Services-Offices & Clinics Of Doctors Of Medicine (8011)
- akta.pro primary industry
- Computer-Assisted Physician Documentation (CAPD) & Clinical Documentation Improvement (CDI) (HLACAAAH)
Keywords
Where Diarium is headquartered
LocationHeadquarters
- HQ city
- Espoo
- HQ country
- Finland
- HQ region
- Europe
Offices1 record
Markets served
Diarium business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Others
Revenue model
- Healthcare Patient Management System Subscription: Subscription-based SaaS model for healthcare professionals including physiotherapists, occupational therapists, speech therapists, psychotherapists, and massage therapists. Provides comprehensive patient documentation, AI-assisted note-taking, and KANTA integration.
- Personal Journaling App (One-time Purchase): One-time purchase model at $9.99 per platform for individual consumers seeking personal digital journaling solution.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Healthcare Professional Plan |
| One time/ perpetual license | Pay-as-you-go | Personal Journaling - One-time Purchase |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels5 records
Diarium product offering
Product offeringCore offering
Diarium provides a cloud-based, KANTA-certified patient information system for Finnish therapists and rehabilitation professionals (physiotherapists, occupational therapists, speech therapists, psychotherapists, and massage therapists), featuring AI-assisted documentation, online booking via Nordhealth, electronic forms, and remote video appointments accessed through a web browser without software installation. A separate personal digital journaling application is also sold as a one-time $9.99 per-platform purchase for individual consumers.
Product overview
Diarium is a unified patient information system designed for Finnish therapists and rehabilitation professionals. The core Diarium platform serves as a comprehensive patient documentation system with KANTA certification, featuring integrated modules for online booking (via Nordhealth), AI-assisted documentation, electronic forms, and remote video appointments. The product serves over 10,000 therapy and rehabilitation professionals across more than 1,800 companies, ranging from individual practitioners to larger rehabilitation facilities.
Differentiator
Problem solved
Functional benefit
Products and services
- Diarium Patient Information System A KANTA-certified Class A browser-based patient information system designed for Finnish therapists and rehabilitation professionals, providing secure patient record management, AI-assisted note-taking, electronic forms, online booking, and remote video appointments to streamline clinical documentation and compliance.
- Diarium Personal Journaling App A digital personal journaling application sold as a one-time $9.99 per-platform purchase for individual consumers seeking a digital alternative to pen-and-paper journaling, with features such as multimedia entries, mood tracking, and cloud backup.
Quantifiable outcome
- Over 10,000 therapy professionals and 1,800+ companies using the system
- +1 more outcomes
Companies that use Diarium
Customer profileNamed customers5 records
Segments7 records
Ideal customer profiles2 records
Diarium technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature5 records
Diarium partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- NordhealthcoreNordhealth.fi service is integrated with Diarium for online appointment booking functionality. This integration helps therapists reach clients and provides modern, secure appointment scheduling. Nordhealth is a Finnish healthcare software provider offering booking solutions.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Diarium competitors and assessment
Company assessmentDirect peers
- SimplePractice: US-based practice management and EHR software for therapists, psychologists, and rehabilitation professionals. Direct competitor serving the same therapist customer base with a subscription SaaS model focused on clinical documentation automation.
- TherapyNotes: US-based EHR and practice management platform for behavioral health and therapy practices. Comparable customer segments (psychotherapists, OTs, etc.) with subscription-based clinical documentation.
- Jane App: Canadian clinic management platform for allied health professionals (physio, massage, OT, speech). Comparable multi-profession vertical coverage and subscription SaaS model for independent practitioners.
- Cliniko: UK/Australia-based practice management software for allied health and wellness practitioners. Comparable target customer base across physiotherapy, OT, and multi-discipline clinics with subscription pricing.
- Mediconsult: Finnish healthcare IT provider offering patient information systems. Domestic peer operating in the same regulated Finnish healthcare market and competing for similar therapist and clinic customers.
- Power Diary: Practice management software for allied health and mental health practitioners in Australia and internationally. Comparable subscription SaaS for therapists and small-to-mid rehabilitation practices.
Emerging players
- Nordhealth: Nordic healthcare software provider offering practice management and electronic patient records. Diarium's integration partner (Nettiajanvaraus) and a comparable player in adjacent segments across the Nordics.
Broad incumbents
- TietoEVRY: Large Nordic IT services company with significant healthcare IT division. Broad incumbent operating healthcare EHR and patient information systems across the Nordics at scale.
- Epic Systems: US-based large-scale EHR vendor serving hospitals and large healthcare systems. Broad incumbent in healthcare IT, offering overlapping clinical documentation and practice management capabilities.
- Oracle Health (Cerner): Large-scale healthcare IT vendor offering EHR and clinical documentation solutions at enterprise scale. Broad incumbent comparable to Diarium's clinical documentation category, with potential to expand into rehabilitation.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights5 records
Customer concentration
Diarium social profiles
Digital presenceDiarium compliance and trust
Trust signalCompliance1 record
Diarium financial estimates
Financial estimateRevenue estimate
Valuation estimate
Diarium leadership team
Management profileNumber of profiles
Diarium funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Diarium M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Diarium
What does Diarium do?
Diarium provides a cloud-based, KANTA-certified patient information system for Finnish therapists and rehabilitation professionals (physiotherapists, occupational therapists, speech therapists, psychotherapists, and massage therapists), featuring AI-assisted documentation, online booking via Nordhealth, electronic forms, and remote video appointments accessed through a web browser without software installation. A separate personal digital journaling application is also sold as a one-time $9.99 per-platform purchase for individual consumers.
Is Diarium a public or private company?
Diarium is a private company. It is classified as unknown and is currently operating.
When was Diarium founded?
Diarium was founded in -1. It employs 101 to 250 people.
Where is Diarium based?
Diarium is headquartered in Espoo, Finland, in the Europe region.
How does Diarium make money?
Two revenue lines are on record. Healthcare Patient Management System Subscription is the primary driver. The others are personal Journaling App (One-time Purchase).
Who are Diarium's main competitors?
Direct peers on record are SimplePractice, TherapyNotes, Jane App, Cliniko, Mediconsult and Power Diary. Nordhealth is listed as an emerging player. Broad incumbents are TietoEVRY, Epic Systems and Oracle Health (Cerner).
Does Diarium have an API?
No public API is recorded for Diarium.
What industry is Diarium in?
Diarium's product category is Healthcare Practice Management Software. Its primary akta.pro industry code is HLACAAAH, Computer-Assisted Physician Documentation (CAPD) & Clinical Documentation Improvement (CDI). Its NAICS code is 62134 and its SIC code is 8011.