Who owns LifeLabs?
LifeLabs is owned by Quest Diagnostics (the United States, NYSE: DGX), which has owned the brand since 23 August 2024.[1]
Evidence: Quest Diagnostics Incorporated Annual Report on Form 10-K filed 2026-02-26, SEC EDGAR, 26 February 2026. Verified from filings; last checked .
Key facts
- Current owner
- Quest Diagnostics Incorporated verified
- Owned since
- Owner HQ
- 🇺🇸 United States, Secaucus, New Jersey
- Origin
- 🇨🇦 Canada
- Category
- Healthcare & pharma › Care providers › Labs & diagnostics
- Parent ticker
- NYSE: DGX
- Last verified
- · 1 sources
About LifeLabs
LifeLabs provides laboratory diagnostic information and digital health connectivity systems in Canada, and performed approximately 23 million test requisitions in 2025 according to the Quest Diagnostics 10-K. Quest bought it on 23 August 2024 in an all-cash deal worth about CAN $1.35 billion, its first large operating business outside the United States.
Ownership timeline of LifeLabs
- 2024 – present Quest Diagnostics [1] verified
Where LifeLabs sits in Quest Diagnostics
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Quest Diagnostics ownership tree →
See the full Quest Diagnostics brand portfolio (6) →
Other brands owned by Quest Diagnostics
Quest Diagnostics controls 6 brands on Brandtree, 5 of them in healthcare & pharma.
Also in healthcare & pharma
Other brands in labs & diagnostics, and who owns them
Quest Diagnostics has more brands in labs & diagnostics on Brandtree than any other owner: 5 of 13.
| Brand | Owner | Owner based in |
|---|---|---|
| Colilert | IDEXX | 🇺🇸 United States |
| Petrifilm | Neogen | 🇺🇸 United States |
| Labcorp | Labcorp | 🇺🇸 United States |
| IDEXX Reference Laboratories | IDEXX | 🇺🇸 United States |
| Quanti-Tray | IDEXX | 🇺🇸 United States |
| Reveal | Neogen | 🇺🇸 United States |
| Soleris | Neogen | 🇺🇸 United States |
| Labcorp OnDemand | Labcorp | 🇺🇸 United States |
About the owner: Quest Diagnostics
Quest Diagnostics is a publicly listed company headquartered in Secaucus, New Jersey, United States. Brandtree records 6 brands under its control, and it is listed as NYSE: DGX.
Quest Diagnostics is a United States provider of diagnostic information services, running clinical laboratories and patient service centres and testing for physicians, hospitals, employers and insurers. Its 10-K says its services are mostly delivered under the Quest Diagnostics name, with AmeriPath, Dermpath Diagnostics, ExamOne and Quanum as other brands, and in 2024 it extended into Canada by buying LifeLabs.
Quest Diagnostics: full profile, brands and acquisition history →
🇨🇦 LifeLabs and other Canadian brands
Brandtree records a controlling owner for 174 brands that began in Canada. 41 of them (24%) are now controlled by a company headquartered in another country, LifeLabs among them.
- Air Canada — Air Canada 🇨🇦
- Air Transat — Transat 🇨🇦
- Alexis de Portneuf — Saputo 🇨🇦
- Algoma Central — Algoma Central 🇨🇦
- Algoma Tubes — Tenaris 🇱🇺
- Arc'teryx — Amer Sports 🇫🇮
Frequently asked questions
Who is the parent company of LifeLabs?
The parent company of LifeLabs is Quest Diagnostics, a publicly listed company headquartered in the United States.
Is LifeLabs Canadian or American?
LifeLabs originated in Canada, but it is owned today by Quest Diagnostics, which is headquartered in the United States. So LifeLabs is a Canadian-origin brand under American ownership.
Since when has Quest Diagnostics owned LifeLabs?
Quest Diagnostics has owned LifeLabs since 23 August 2024.
Is LifeLabs still owned by Quest Diagnostics?
Yes. As of 14 October 2026, LifeLabs is still owned by Quest Diagnostics. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Quest Diagnostics Incorporated Annual Report on Form 10-K filed 2026-02-26 — SEC EDGAR, SEC Form 10-K, published 26 February 2026; retrieved 14 October 2026.
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