Company lists · Data refreshed October 2026

Top 25 Early phase clinical research organizations based in Canada

RevenueBase identified 200 company matches for early phase clinical research organizations associated with Canada as of October 2026 and tracks 8,379 professional contacts across them, including 4,432 with verified work emails. Toronto is the largest hub.

This list covers company matches for early phase clinical research organizations associated with Canada, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 11, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
200Companies
8,379Contacts tracked
4,432Verified emails
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The 25 largest early phase clinical research organizations based in Canada

Ranked by team size
Top 25 of 200 company matches for early phase clinical research organizations based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLaval, QC, CanadaHQ recorded Oct 11, 20261,001-5,0001,781 contacts →

Exact match

“Outsourcing made easy with a one-stop solution to early-phase drug development.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchLondon, ON, CanadaHQ recorded Oct 11, 2026501-1,000668 contacts →

Exact match

“Industry-leading specialty GI contract research organization (CRO) transforming clinical trial outcomes and accelerating the development of life-changing therapies.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchMississauga, ON, CanadaHQ recorded Oct 11, 2026201-500589 contacts →

Exact match

“Pharma Medica Research is a full service early phase contract research organization.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Oct 11, 2026501-1,000554 contacts →

Exact match

“Everest Clinical Research ("Everest") is a full-service contract research organization (CRO) providing a broad range of expertise-based clinical research services to worldwide…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchMontreal, QC, CanadaHQ recorded Oct 11, 2026201-500404 contacts →

Exact match

“JSS Medical Research is a full service clinical research organization (CRO) with strong academic affiliations offering a wide range of services internationally.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchBaie D’urfe (montreal), QC, CanadaHQ recorded Oct 11, 2026201-500326 contacts →

Exact match

“ITR Canada provides preclinical testing services for the pharmaceutical and biotechnology industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchToronto, ON, CanadaHQ recorded Oct 11, 2026201-500314 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchMontreal, QC, CanadaHQ recorded Oct 11, 2026201-500252 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchEdmonton, AB, CanadaHQ recorded Oct 11, 2026201-500241 contacts →

Exact match

“TRIO is a unique, full-service oncology clinical research organization (CRO) that leverages the strengths of our worldwide network of Investigators, academic leaders, patient…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchMontreal, QC, CanadaHQ recorded Oct 11, 2026501-1,000201 contacts →

Exact match

“At Sygnature Discovery, a global drug discovery CRO, we create exceptional scientific outcomes.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchMississauga, ON, CanadaHQ recorded Oct 11, 2026201-500120 contacts →

Exact match

“Primary Focus: Small to Medium Biotech, Device and Pharma Axiom delivers easy-to-use, powerful and cost-effective eClinical / EDC / Data Management solutions and services focused…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchSaint-hubert, QC, CanadaHQ recorded Oct 11, 202651-200104 contacts →

Exact match

“Since 1997, KABS has offered a broad range of product development services to the bio-pharmaceutical industry, worldwide.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchGuelph, ON, CanadaHQ recorded Oct 11, 202651-20097 contacts →

Exact match

“Nutrasource is a full-service contract research organization (CRO) that helps health companies bring products to market with strong science and regulatory confidence - from…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchKingston, ON, CanadaHQ recorded Oct 11, 20261,001-5,00095 contacts →

Exact match

“The Canadian Cancer Trials Group (CCTG) is a cancer clinical trials research cooperative conducting phase trials to test anti-cancer and supportive therapies in over 80…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchMontreal, QC, CanadaHQ recorded Oct 11, 2026201-50089 contacts →

Exact match

“As a CRO (Contract Research Organization) specialized in dermatology, we provide scientific guidance, accurate results and customer satisfaction.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchScarborough, ON, CanadaHQ recorded Oct 11, 202651-20089 contacts →

Exact match

“Since 1970, NUCRO-TECHNICS, a Pharmaceutical Contract Support Organization has been a partner to pharmaceutical and biopharmaceutical companies located all over the world.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchLondon, ON, CanadaHQ recorded Oct 11, 202651-20081 contacts →

Exact match

“Since 1997, KGK Science has played a key role in the natural health product industry by providing our clients with high-quality clinical research and regulatory expertise to bring…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchSherbrooke, QC, CanadaHQ recorded Oct 11, 202651-20063 contacts →

Exact match

“Dedicated exclusively to clinical research, Diex Research is a thriving company with international experience that provides a unique business model and an opportunity for private…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchMontreal, QC, CanadaHQ recorded Oct 11, 202651-20062 contacts →

Exact match

“Biospective is a leading Contract Research Organization (CRO) specializing in Neuroscience research studies.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchRichmond Hill, ON, CanadaHQ recorded Oct 11, 202651-20058 contacts →

Exact match

“RxSource is a growing provider of clinical trial supply services to the global pharmaceutical and biotech industry, offering industry-leading timelines for clinical trial supply…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchMississauga, ON, CanadaHQ recorded Oct 11, 202651-20049 contacts →

Exact match

“As a recognized leader in the industry, our team of experts provide regulatory and scientific advice to help you identify the most efficient drug development and registration…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchLaval, QC, CanadaHQ recorded Oct 11, 202651-20049 contacts →

Exact match

“Be Clinic Ready!”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchBoisbriand, QC, CanadaHQ recorded Oct 11, 202651-20048 contacts →

Exact match

“Accellab is a one-stop integrated CRO dedicated to the preclinical assessment of medical devices under GLP compliance.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchToronto, ON, CanadaHQ recorded Oct 11, 202611-5046 contacts →

Exact match

“Ozmosis Research is an independent, entrepreneurial clinical trials management company in Canada operating as a social enterprise (not for profit).”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchLondon, ON, CanadaHQ recorded Oct 11, 202651-20044 contacts →

Exact match

“Stiris Research is an entrepreneurial Clinical Trial Management company providing Phase I through full-service support to Biotechnology and Biopharmaceutical companies.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 200 early phase clinical research organizations based in Canada

See the full list, filter by size, metro and specialty, and access 4,432 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Early phase clinical research organizations based in Canada at a glance

As of Oct 11, 2026
52.9%Verified-email coverage
41.9Average contacts per company
11-50Median size (employees)
18.0%Largest-city concentration · Toronto
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
77
11-50
74
51-200
31
201-500
11
501-1,000
5
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 200 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Canada whose business descriptions match “early phase clinical research organizations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 4,432 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 11, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “early phase clinical research organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many early phase clinical research organizations are there based in Canada?

RevenueBase identified 200 company matches for early phase clinical research organizations associated with Canada as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Altasciences tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most early phase clinical research organizations?

Toronto leads with 36 company records, followed by Montreal (33) and Mississauga (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 4,432 professional contacts with verified work emails tracked across these 200 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 11, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.