Insights

AUM and scale Onex manages substantial assets with approximately $55.8 billion in assets under management and a significant portion ($9.4 billion) from Onex’s own investing capital, indicating a mature platform with potential opportunities across large institutional clients and co-investment structures.

Global client base The client mix includes public and private pension plans, sovereign wealth funds, insurance companies, family offices, and high-net-worth individuals, suggesting cross-sell potential across multiple institutional segments and tailored investment solutions.

Geographic footprint With offices in Toronto, New York, New Jersey, and London, Onex has a broad geographic reach that can support cross-border mandates, regional co-investment opportunities, and relationships across North America and Europe.

Tech stack leverage Current technology stack features Salesforce, Microsoft SQL Server tools, and Dynamics 365 Business Central, indicating readiness for client-facing solutions, data analytics offerings, and streamlined CRM-driven upsell and client servicing.

Growth readiness Strong revenue scale in the private markets space (revenue reported in the mid to high hundreds of millions) coupled with a long track record since 1984 positions Onex for advisory, co-investment, and fund-management partnerships with potential expansion into new strategies or geographies.

Similar companies to Onex

Onex Tech Stack

Onex uses 8 technology products and services including Drupal, OneTrust, Segment, and more. Explore Onex's tech stack below.

Media & News

Onex's Email Address Formats

Onex uses at least 6 email formats:
Onex Email FormatsExamplePercentage
FLast@onex.comJDoe@onex.com
91%
Last@onex.comDoe@onex.com
5%
First@onex.comJohn@onex.com
3%
FMiddleLast@onex.comJMichaelDoe@onex.com
1%
FLast@onexcredit.comJDoe@onexcredit.com
100%
FLast@onexrealestate.comJDoe@onexrealestate.com
100%

Frequently Asked Questions

What is Onex's phone number?

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You can contact Onex's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Onex's stock symbol?

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Onex is a publicly traded company; the company's stock symbol is CNXU.

What is Onex's official website and social media links?

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Onex's official website is onex.com and has social profiles on LinkedIn.

How much revenue does Onex generate?

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As of August 2026, Onex's annual revenue is estimated to be $500M - $1B.

What is Onex's NAICS code?

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Onex's NAICS code is 5239 - Other Financial Investment Activities.

How many employees does Onex have currently?

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As of August 2026, Onex has approximately 819 employees across 6 continents, including North America, Europe and Asia. Key team members include Ceo, Schwartz/Reisman Group: L. S., Chief Human Resources Officer: H. H. and Vice President Finance: M. N. Explore Onex's employee directory with LeadIQ.

What industry does Onex belong to?

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Onex operates in the Investment Management industry.

What technology does Onex use?

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Onex's tech stack includes Drupal, OneTrust, Segment, SAP, Microsoft SQL Server, Microsoft 365, Microsoft Azure and Greenhouse.

What is Onex's email format?

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Onex's email format typically follows the pattern of FLast@onex.com. Find more Onex email formats with LeadIQ.

When was Onex founded?

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Onex was founded in 1984.
Onex logo

Onex

Investment ManagementOntario, Canada501-1000 Employees

Onex is an investment management firm that allocates and oversees capital on behalf of its shareholders and a global client base. Founded in 1984, it has a long history of delivering value to its investors. It reports approximately $59.2 billion in assets under management, including $8.7 billion of its own investing capital. The firm maintains offices in Toronto, New York, New Jersey, and London and is listed on the Toronto Stock Exchange under the symbol ONEX.

Its investor base includes public and private pension plans, sovereign wealth funds, insurance companies, family offices, and high-net-worth individuals. Operating in the investment management industry, Onex is based in Toronto.

Section iconCompany Overview

Phone number
Website
onex.com
Stock Symbol
CNXU
NAICS Code
5239 - Other Financial Investment Activities
Founded
1984
Employees
501-1000

Section iconFunding & Financials

  • $500M - $1B

    Onex's revenue is estimated to be in the range of $500M - $1B

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