Quest Diagnostics logo — Working together to create a healthier world, one life at a...

Quest Diagnostics

Working together to create a healthier world, one life at a time.

Founded 1967 United States Secaucus, United States 33096 employees IPO Total: $750.00M Biotechnology, Health Care +1

General Information

Company Name Quest Diagnostics
Founded Year 1967
Location United States Secaucus, United States
Founders / Decision Makers
Team member
Employees 33096
Industries Biotechnology, Health Care, IT
Funding Stage IPO
Business Model B2B, B2C, B2B2C
Revenue Model Service Fee, Usage Based, Transaction Fee
Offices as of Aug 2026
Secaucus, United States
Social

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About Quest Diagnostics

Quest Diagnostics, founded in 1967, is a key player in the Biotechnology, Health Care, and IT sectors, headquartered in the United States. The company’s slogan, "Working together to create a healthier world, one life at a time," encapsulates its mission to empower individuals through comprehensive diagnostic insights.

As indicated by its extensive offerings, Quest Diagnostics annually serves one in three adult Americans and half the physicians and hospitals nationwide. Notably, it maintains the widest test menu available with over 3,000 tests and leads in cancer diagnostics, enhanced by a dedicated team of approximately 900 M.D.s and Ph.D.s.

The firm reported 2020 revenue of $9.44 billion. Its expansive network includes around 2,250 patient service centers and laboratories in strategic global locations. Furthermore, Quest Diagnostics stands as a leading provider of pre-employment drugs-of-abuse screening and clinical trials testing. Recently, the company secured a Post Ipo Debt investment as of 01 August 2024. The absence of disclosed investors in this round might intrigue prospective stakeholders about future financial strategies.

Business keywords: Diagnostic Insights, Clinical Lab Results, Cancer Diagnostics, Anatomic Pathology Services, Innovative Test Development, Pre-employment Drug Screening, Life Insurance Risk Assessment, Clinical Trials Testing, Healthcare Connectivity Solutions, Gene-based Testing, Esoteric Testing, Healthcare Information Technology, Patient Service Centers, Interpretive Consultation, Healthcare Management

Services & Products

Lab Testing and Diagnostics
Clinical Trial Lab Services
Healthcare Data Analytics
Lab Management Solutions
Biomarker and Genetic Testing

Target Customers

Patients Healthcare Professionals Hospitals and Health Systems Employers Health Insurers Pharmaceutical and Biotech Companies

Pricing

as listed on Sep 29, 2026

Funding Rounds & Investors (3)

View All
Funding Stage Amount Investors Lead Investors Date
Post-IPO Debt Undisclosed -
01 Aug 2024
Post-IPO Debt $750.00M -
01 Oct 2023
IPO Undisclosed -
01 Dec 1996

Quest Diagnostics Alternatives & Competitors

Quest Diagnostics vs
Tempus AI
Tempus AI United States

Tempus AI, Inc. (NASDAQ: TEM) is a technology company leading the adoption of AI to advance precisio...

Post-IPO Debt
3178 employees
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Quest Diagnostics vs

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Quest Diagnostics vs
UCB
UCB Belgium

We’re #TeamUCB, a global biopharmaceutical company. 💙 Inspired by patients 🔬 Driven by science

IPO
15278 employees
Biotechnology, Health Care

FAQ About Quest Diagnostics

Working together to create a healthier world, one life at a time.
Quest Diagnostics was founded in 1967.
Quest Diagnostics is headquartered in Secaucus, United States.
Quest Diagnostics operates in Biotechnology, Health Care and IT. Its work centres on Diagnostic Insights, Clinical Lab Results, Cancer Diagnostics and Anatomic Pathology Services. Its customers include Patients, Healthcare Professionals and Hospitals and Health Systems.
Quest Diagnostics has a B2B, B2C and B2B2C business model. Its revenue comes from Service Fee, Usage Based and Transaction Fee.
As listed on Quest Diagnostics's pricing page on Sep 29, 2026: On request.
Quest Diagnostics has approximately 33096 employees.
Quest Diagnostics has completed 3 funding rounds, raising a total of $750.00M. The latest funding stage is IPO.
Quest Diagnostics offers: Lab Testing and Diagnostics, Clinical Trial Lab Services, Healthcare Data Analytics, Lab Management Solutions, Biomarker and Genetic Testing.
Top alternatives and competitors to Quest Diagnostics include Tempus AI, AllStripes (now PicnicHealth), UCB, MorphoSys, Carenostics. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Quest Diagnostics and Tempus AI are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Quest Diagnostics, https://bouncewatch.com/company/quest-diagnostics, updated 2 September 2026. When citing, please name BounceWatch and link this page.

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