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Quartet Health vs SonderMind

Quartet Health logo

Quartet Health

Whole, human, behavioral health care

143 employees · est. 2014 · New York, United States

VS
SonderMind logo

SonderMind

Your all-in-one wellness solution that connects you to affordable, quality mental healthcare

1263 employees · est. 2014 · Denver, United States

SonderMind is the larger of the two.

Side-by-Side Comparison

Quartet Health SonderMind
Founded
2014 2014
Headquarters
New York, United States Denver, United States
Employees
143 1263 larger
Industry
Analytics, Health Care, Health and Wellness Digital Health, Health Care, Health and Wellness
Funding Stage
Acquired Series C
Total Funding
$219.50M $183.04M
Funding Rounds
7 6
Services
Behavioral healthcare solutions, Value-based care delivery, Patient-provider matching, Care coordination, Telehealth services Therapy, Psychiatry, Veteran Services, Insurance Integration, Provider Network
Target Customers
Patients with behavioral health needs, Mental health providers, Health plans, Health systems, Community mental health centers Individual Clients, Veterans, Health Systems, Physician Practices, Insurance Payors
Taxonomy
Value-Based HealthcareBehavioral HealthSerious Mental IllnessTech-Enabled HealthcareCare EnablementPatient Engagement +8 Mental HealthBehavioral HealthTelehealthTherapy ServicesPsychiatry ServicesMental Wellness App +9
Website
quartethealth.com sondermind.com
Quartet Health logo

About Quartet Health

Quartet Health positions itself at the forefront of behavioral healthcare with its commitment to delivering high-quality, value-based services tailored for individuals with mental health needs. Founded in 2014, the company operates from its headquarters in the United States. It utilizes a unique com...

SonderMind logo

About SonderMind

SonderMind, established in 2014, is a frontrunner in the digital health sector, offering both virtual and in-person therapy and psychiatry services across the United States. Its mission, encapsulated in the slogan "Your all-in-one wellness solution that connects you to affordable, quality mental hea...

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Frequently Asked Questions

Quartet Health was founded in 2014, based in New York, United States, with 143 employees. Quartet Health positions itself at the forefront of behavioral healthcare with its commitment to delivering high-quality, value-based services tailored for individuals with mental health needs. Founde. SonderMind was founded in 2014, based in Denver, United States, with 1,263 employees. SonderMind, established in 2014, is a frontrunner in the digital health sector, offering both virtual and in-person therapy and psychiatry services across the United States. Its mission, encapsulated.
Quartet Health has raised $219.50M and SonderMind $183.04M. Latest stage: Quartet Health Acquired, SonderMind Series C.
Both work in Health Care and Health and Wellness and list behavioral health and whole-person care among their focus areas.

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Compiled from the BounceWatch company index. We last looked at Quartet Health on 13 Mar 2026, and SonderMind on 30 Mar 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.

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