Ada Health

What Ada Health does

Ada Health is a Berlin-based digital health company founded in 2011 that develops an AI-powered symptom assessment platform used by consumers, health systems, payers, governments, and pharmaceutical companies. Its core product, Ada Assess, combines a proprietary Probabilistic Graphical Model (PGM) — built on a knowledge base curated by 50 in-house medical experts — with third-party large language models (Together AI for hybrid reasoning, Microsoft Azure for free-text symptom input) to generate ranked condition likelihoods and care navigation recommendations. The technology is protected by European Patent EP4679451B1 (granted March 2026) and validated in prospective clinical studies published in NEJM AI (CUF partnership, Portugal) and Nature Health (MomConnect, South Africa), which demonstrated care appropriateness improvements from 29.8% to 64.4% and 98%+ safety ratings. Ada also operates a Medical Library of condition and symptom content available in seven languages and has launched Ada Personal Health Companion, an LLM-driven health information product.

The company operates a dual go-to-market: a free, ad-free consumer app (iOS, Android, and web) with 15M+ registered users and 30M+ completed assessments drives product-led awareness and clinical data, while primary monetization comes from B2B enterprise licensing and platform integrations with health systems (CUF), insurers (Groupe Mutuel, UnitedHealthcare), pharma (Bayer via Leaps by Bayer), and government health programs (South African National Department of Health). Revenue is generated through subscription-based enterprise contracts, licensing agreements with pharma and life sciences, and grant funding from foundations and government programs (Rockefeller Foundation, Bill and Melinda Gates Foundation, EU Horizon 2020). Reported ARR is $21.7M as of December 2025 against a 251-500 employee base, with operations spanning Germany, the UK, the US, Canada, Switzerland, Portugal, South Africa, and additional global markets through partner deployments.

The business is venture-backed (private), having raised $120M in cumulative disclosed funding through a Series B led by Leaps by Bayer in May 2021 and extended in February 2022 with Farallon Capital, Red River West, and Bertelsmann Investments. The company holds ISO 27001 and EN ISO 13485 certifications, operates wholly-owned subsidiaries in the US, UK, and Canada, and is led by co-founder and CEO Daniel Nathrath alongside co-founders Claire Novorol (CMO) and Martin Hirsch (CSO).

Name

Ada Health

Legal name

Ada Health GmbH

Website

https://ada.com

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

251–500 employees

Short description

Ada Health is a Berlin-based digital health company that builds an AI-powered symptom assessment platform combining a proprietary probabilistic model with LLMs, serving 15M+ consumers via a free app and monetizing primarily through enterprise licensing to health systems, insurers, pharma, and government health programs.

Ownership category

akta.pro rank

Product category

Clinical Decision Support Software

NAICS

Software Publishers (5132)

SIC

Services-Health Services (8000), Services-Prepackaged Software (7372)

akta.pro primary industry

AI Triage & Clinical Decision Support (CDS) Platforms (HLALAJAD)

akta.pro secondary industries

Software as a Medical Device (SaMD) – Clinical Decision & Diagnostic Software (HLACANAD), DTx/SaMD Evidence, Outcomes & Real-World Data (RWE) Platforms (HLACANAM), Medication Adherence, Digital Therapeutics & Remote Coaching (condition-specific programs) (HLALAFAF)

Keywords

• AI symptom assessment
• Clinical decision support
• Digital health platform
• Probabilistic medical AI
• Patient triage software

Headquarters

HQ city

Berlin

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Software

Cost components

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

Revenue model

1. Consumer Freemium App: Ada's core AI symptom assessment app is free for consumers. The freemium model drives massive user acquisition (15M+ users, 30M+ assessments) and builds data/network effects, while the company monetizes through B2B channels rather than advertising within the app.
2. B2B Partnerships with Health Systems & Insurers: Ada generates revenue through commercial partnerships with health systems (e.g., CUF in Portugal, South African National Department of Health), insurers (e.g., UnitedHealthcare, Groupe Mutuel), and life science companies that embed or white-label Ada's clinical AI for their member/patient populations.
3. Pharma & Life Science Partnerships: Ada partners with pharmaceutical and life science companies (e.g., Bayer) to provide AI-powered patient engagement, clinical trial matching, and digital health coaching, with revenue derived from service agreements and licensing.
4. Government & NGO Grants: Ada receives funding from charitable foundations (Rockefeller Foundation, Bill and Melinda Gates Foundation, Fondation Botnar) and government programs (WHO, World Economic Forum, European Commission, EU Horizon 2020) to improve access to care in low- and middle-income countries.
5. Enterprise Licensing / B2B SaaS: Based on 2025 data showing $21.7M ARR and $65M valuation, Ada's primary B2B revenue stream is enterprise licensing of its clinical AI platform to health systems, payers, and government health programs.

Pricing tiers

Go-to-market motion3 records

Distribution channels7 records

Marketing channels7 records

Core offering

Ada Health builds and sells an AI-powered symptom assessment platform anchored by Ada Assess, a clinical decision support engine that fuses a proprietary Probabilistic Graphical Model (PGM) — built on a medical-expert-curated knowledge base — with third-party LLMs (Together AI and Microsoft Azure) to generate likelihood-ranked condition reports. The technology is delivered to consumers as a free iOS/Android app and to enterprises as an embedded/OEM clinical AI licensed to health systems, insurers, pharma companies, and government health programs.

Product overview

Ada Health offers a unified AI-powered digital health platform centered on its core symptom assessment technology. The primary product is Ada Assess, an AI symptom checker that combines custom probabilistic reasoning technology with a medical-expert-curated knowledge base, enhanced by third-party LLMs (Together AI for hybrid analysis, Microsoft Azure for free-text input). This core engine is available directly to consumers via the Ada App (iOS/Android) and through partnerships with healthcare providers and insurers. Supporting the assessment capabilities is a Medical Library containing extensive health information on conditions, symptoms, and biomarkers. Ada also offers Ada Personal Health Companion (Ada PHC), an AI-powered health information companion that uses LLMs to aggregate content from third-party sources. The company operates through B2B partnerships with health systems (CUF Portugal), government health platforms (South Africa's MomConnect), insurers (Groupe Mutuel), and pharmaceutical companies.

Differentiator

Problem solved

Functional benefit

Brands

• Ada Assess: AI-powered digital health and symptom assessment tool using custom probabilistic reasoning technology on a medical-expert-curated knowledge base.
• Ada Personal Health Companion (Ada PHC)
• Medical Library

Products and services

• Ada Assess Ada Assess is the clinical AI symptom assessment engine at the core of Ada's platform. It uses an in-house Probabilistic Graphical Model on a medical-expert-curated knowledge base, refined by Together AI's LLM and parsing free-text input via Microsoft Azure, to generate assessment reports listing up to five likely conditions with care guidance. It is sold as the embedded technology for the Ada consumer app and licensed to enterprise partners (health systems, insurers, pharma, government health programs) via API/OEM integration.
• Ada Personal Health Companion (Ada PHC) Ada PHC is an AI personal health companion designed to answer health-related questions by aggregating curated third-party health content and Ada's content repository via an LLM, available within the Ada product ecosystem for educational health information.
• Ada App The Ada App is the consumer-facing mobile application that delivers Ada Assess on iOS and Android. It offers a free symptom checker, health profile management, an assessment history, and exportable PDF reports, and serves as Ada's primary product-led growth acquisition channel across 15M+ users and 7 languages.
• Medical Library Medical Library is Ada's consumer-facing health information resource, containing thousands of articles on conditions, symptoms, biomarkers, hormones, and editorial health topics, written by Ada's in-house medical team and grounded in current clinical research, available via the Ada website and app.

Quantifiable outcome

• Appropriate care-seeking more than doubled from 29.8% to 64.4% among patients using Ada's AI in CUF's myCUF app (ESSENCE study, NEJM AI, 2026)
• +7 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration7 records

AI capability6 records

Feature8 records

Partnerships

Eight partnerships are on record, tiered core, major and supporting.

• South African National Department of HealthcoreStrategic or Co-development Partner · 16 June 2026Ada Health's clinical AI was integrated into South Africa's government-run MomConnect maternal health platform, with the South African National Department of Health leading the research study published in Nature Health. This represents one of the first clinical AI validations in a government-led low- and middle-income country setting, demonstrating Ada's effectiveness in underserved populations.
• Reach Digital HealthcoreStrategic or Co-development Partner · 16 June 2026Reach Digital Health partnered with Ada Health for the research and deployment of Ada's clinical AI within South Africa's MomConnect maternal health platform. The partnership contributed to the Nature Health study showing 40%+ improvement in appropriate care-seeking among pregnant women and mothers.
• PATHmajorStrategic or Co-development Partner · 16 June 2026PATH, a global nonprofit health organization, partnered with Ada Health on the MomConnect maternal health platform integration and Nature Health study. PATH's expertise in global health implementation supported the deployment of Ada's clinical AI in South Africa's public health system.
• Citizen SurveyssupportingStrategic or Co-development Partner · 16 June 2026Citizen Surveys participated as a research partner in the Nature Health study evaluating Ada Health's clinical AI on the South African MomConnect platform, contributing survey methodology and data collection expertise.
• CUF Hospitais & Clínicas (Portugal)coreStrategic or Co-development Partner · 22 April 2026CUF Hospitais & Clínicas, Portugal's largest private hospital network, partnered with Ada Health for the ESSENCE prospective real-world study published in NEJM AI (April 2026). Ada's AI symptom assessment tool was integrated into CUF's myCUF patient app for 1,470 adults, demonstrating care appropriateness doubled from 29.8% to 64.4%. This partnership represents a clinical validation of Ada's technology in a live health system setting.
• UnitedHealthcarecoreStrategic or Co-development Partner · 1 April 2026UnitedHealthcare, one of the largest US health insurers, is listed as a key partnership in market research reports. The partnership integrates Ada Health's AI symptom assessment into UnitedHealthcare's member health management offerings, though specific details of the partnership scope are not available in the provided sources.
• Groupe Mutuel (Switzerland)coreStrategic or Co-development Partner · 6 November 2024Groupe Mutuel, a major Swiss health insurer, integrated Ada Health's AI-powered care navigation into their member experience across Switzerland. The partnership supports personalized, streamlined access to care for Groupe Mutuel members, representing a commercial deployment of Ada's technology in the payer market.
• Bayer AGcoreStrategic or Co-development Partner · 13 July 2024Bayer AG, through its Leaps by Bayer investment arm, has been exploring a strategic partnership with Ada Health for women's health initiatives. Ada and Bayer collaborated on an AI-powered women's health self-assessment program, combining Bayer's pharmaceutical expertise with Ada's AI technology for improved health outcomes.

Scale indicators14 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• K Health: AI-driven symptom assessment and primary care platform that combines patient-reported data with clinical decision support, selling to consumers and to health system/payer partners — directly comparable to Ada's PLG + B2B hybrid model.
• Infermedica: Poland-based AI triage and symptom-checking platform sold primarily to health systems, insurers, and telemedicine providers via API. Closest direct competitor in the SaMD symptom-assessment / clinical decision support category.
• Buoy Health: US-based AI symptom checker and care navigation tool sold to employers, health plans, and provider systems. Comparable in product surface area (symptom assessment → care recommendation) and enterprise GTM motion.
• Mediktor: Spain-based AI pre-diagnosis and triage chatbot embedded in hospital apps, insurer platforms, and pharma workflows. Comparable in white-label/API-first OEM motion and SaMD positioning.
• Symptomate: AI symptom assessment tool from Infermedica's consumer-facing product and a number of partner-deployed instances. Direct overlap in product surface area (symptom checker → condition list) and multilingual support.
• Gyant: AI clinical decision support and patient engagement platform embedded in health system workflows. Comparable in B2B SaMD positioning, payer/provider integrations, and clinical-evidence-driven sales motion.
• Healthily (Your.MD): AI self-assessment and care navigation consumer app with B2B partnerships in pharma and payers. Comparable in freemium consumer + B2B dual motion and symptom-assessment as core product.

Broad incumbents

• WebMD (Internet Brands): Largest US consumer health information destination with symptom checker and content library. A broad incumbent overlapping with Ada's consumer-facing medical library and symptom assessment surface, though WebMD's monetization is media- and pharma-advertising-led rather than enterprise SaaS.
• Mayo Clinic (Symptom Checker): Reputable provider-backed consumer symptom checker integrated into the broader Mayo Clinic digital ecosystem. Overlaps with Ada on consumer symptom assessment and on content authority, but does not compete in enterprise SaMD licensing.
• Microsoft Cloud for Healthcare: Hyperscaler offering healthcare data, AI, and workflow products — already an infrastructure partner to Ada via Azure. Represents both an enabler and a long-term competitive threat as Microsoft expands clinical AI capabilities adjacent to Ada's offering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/adahealth
• YouTubeyoutube.com/c/adahealth
• Facebookfacebook.com/adahealth
• LinkedInlinkedin.com/company/ada-health
• Instagraminstagram.com/adahealth

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries3 records

Funding overview

Funding rounds5 records

Investors12 records

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 Ada Health