# What does Onex use?

Onex (onex.com) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Private Equity
- Size: 201–1,000 employees
- Based in: Toronto, United States
- Founded: 1983
- LinkedIn: https://www.linkedin.com/company/onex

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain, DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [Algolia](https://www.runsonwhat.com/reverse/algolia) | Search | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code |  |
| [Apollo.io](https://www.runsonwhat.com/reverse/apollo) | Sales & CRM | Website code |  |
| [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code |  |
| [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |
| [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records |  |
| [Have I Been Pwned](https://www.runsonwhat.com/reverse/hibp) | Security & Compliance | DNS verification records |  |
| [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records |  |
| [Appspace](https://www.runsonwhat.com/reverse/appspace) | Collaboration | DNS verification records |  |
| [XMedius](https://www.runsonwhat.com/reverse/xmedius) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Onex use?

As of October 2026, runsonwhat has found 26 tools at Onex (onex.com) in public records. Edge & Hosting: Microsoft Azure. Application: React, Next.js and Anthropic. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Salesforce and Apollo.io. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 20, 2026.

### What cloud does Onex run on?

Onex uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure and DNS records. Microsoft Azure is used by 46,656 companies runsonwhat tracks.

### What CRM does Onex use?

Onex uses Salesforce for its CRM, alongside Apollo.io, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on onex.com. Salesforce is used by 34,012 companies runsonwhat tracks.

### What email provider does Onex use?

Onex uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 710,115 companies runsonwhat tracks.

### What analytics tools does Onex use?

Onex uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on onex.com. Google Analytics is used by 877,663 companies runsonwhat tracks.

### What is Onex's website built with?

Onex uses Contentful for its website, according to runsonwhat (October 2026). runsonwhat found Contentful through Contentful code on onex.com. Contentful is used by 4,150 companies runsonwhat tracks.

### Does Onex use Google Ads?

Yes. runsonwhat found Google Ads at Onex through Google Ads code on onex.com. Google Ads is a Ads & Pixels tool used by 495,992 companies runsonwhat tracks.

### Does Onex use AI tools?

Yes. runsonwhat has found Anthropic at Onex; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Onex may use more AI tools than these.

### Which companies have a tech stack similar to Onex's?

The companies with the stacks most like Onex's are Altenloh.us, Eagleville Hospital, Metrosystems and Honan Insurance Group, according to runsonwhat (October 2026). Each shares 4 to 8 tools with Onex, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Onex uses?

runsonwhat reads public records only. Of the 26 tools at Onex, 11 were found through DNS records, 10 through code on onex.com, 4 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and onex.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/onex.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.
