# What does Aon use?

Aon (aon.com) shows public evidence of 49 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Professional Service
- Size: 10,000+ employees
- Based in: Paris, Austria
- Founded: 1940
- LinkedIn: https://www.linkedin.com/company/aon

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Website code |  |
| [IBM Cloud](https://www.runsonwhat.com/reverse/ibm-cloud) | Hosting & Cloud | DNS verification records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records |  |
| [Cloudinary](https://www.runsonwhat.com/reverse/cloudinary) | Media & UI | Custom domain |  |
| [Brightcove](https://www.runsonwhat.com/reverse/brightcove) | Media & UI | Website code |  |
| [Okta](https://www.runsonwhat.com/reverse/okta) | Auth & Identity | Custom domain |  |

## 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 |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |
| [New Relic](https://www.runsonwhat.com/reverse/newrelic) | Monitoring | Website code |  |
| [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | DNS verification records |  |
| [CloudHealth](https://www.runsonwhat.com/reverse/cloudhealth) | Monitoring | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code |  |
| [Taboola](https://www.runsonwhat.com/reverse/taboola) | Ads & Pixels | Website code |  |
| [Quantcast](https://www.runsonwhat.com/reverse/quantcast) | Ads & Pixels | Website code |  |
| [Outbrain](https://www.runsonwhat.com/reverse/outbrain) | Ads & Pixels | Website code |  |
| [Oracle Eloqua](https://www.runsonwhat.com/reverse/oracle-eloqua) | Marketing | Website code |  |
| [Kentico CMS](https://www.runsonwhat.com/reverse/kentico-cms) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Custom domain, DNS verification records, Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | DNS verification records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | DNS verification records, Email records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records, Website code |  |
| [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records |  |
| [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records |  |
| [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records |  |
| [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records |  |
| [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records |  |
| [Docker](https://www.runsonwhat.com/reverse/docker) | Dev Tools | DNS verification records |  |
| [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records |  |
| [HackerOne](https://www.runsonwhat.com/reverse/hackerone) | Security & Compliance | Website config |  |
| [Flexera](https://www.runsonwhat.com/reverse/flexera) | Dev Tools | DNS verification records |  |
| [iCIMS](https://www.runsonwhat.com/reverse/icims) | People & HR | Custom domain |  |
| [GitHub](https://www.runsonwhat.com/reverse/github) | Dev Tools | DNS verification records |  |
| [Zywave](https://www.runsonwhat.com/reverse/zywave) | Finance & Legal | DNS verification records |  |
| [Kiro](https://www.runsonwhat.com/reverse/kiro) | Dev Tools | DNS verification records |  |
| [Censys](https://www.runsonwhat.com/reverse/censys) | Security & Compliance | DNS verification records |  |

## Recent changes at Aon

- 2026-10-09: started using [IBM Cloud](https://www.runsonwhat.com/reverse/ibm-cloud)

## FAQ

### What tools does Aon use?

As of October 2026, runsonwhat has found 49 tools at Aon (aon.com) in public records. Edge & Hosting: Cloudflare, Microsoft Azure and IBM Cloud. Application: Vimeo, GSAP and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 9, 2026.

### What cloud does Aon run on?

Aon uses Microsoft Azure for hosting and cloud infrastructure, alongside IBM Cloud, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through Microsoft Azure code on aon.com. Microsoft Azure is used by 45,293 companies runsonwhat tracks.

### What email provider does Aon use?

Aon uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a subdomain that points at Microsoft 365 and a DNS verification record. Microsoft 365 is used by 700,623 companies runsonwhat tracks.

### What does Aon use for customer support?

Aon uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,840 companies runsonwhat tracks.

### What payment provider does Aon use?

Aon uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 26,202 companies runsonwhat tracks.

### What analytics tools does Aon use?

Aon uses Google Analytics for analytics, alongside Google Tag Manager, Hotjar and Segment, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on aon.com. Google Analytics is used by 850,554 companies runsonwhat tracks.

### Does Aon use Cloudflare?

Yes. runsonwhat found Cloudflare at Aon through DNS records that point at Cloudflare and code on aon.com. Cloudflare is a CDN & Edge tool used by 691,732 companies runsonwhat tracks.

### Does Aon use AI tools?

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

### Has Aon changed tools recently?

Yes. On runsonwhat's rechecks, Aon started using IBM Cloud (latest on October 9, 2026). A change counts only between two checks of aon.com done the same way.

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

The companies with the stacks most like Aon's are Texas Health Resources, Marsh, Allstate and Sorenson Communications, according to runsonwhat (October 2026). Each shares 11 to 20 tools with Aon, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Aon uses?

runsonwhat reads public records only. Of the 49 tools at Aon, 25 were found through DNS records, 16 through code on aon.com, 4 through subdomains that point at the vendor, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and aon.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/aon.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.
