> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/company/aon/ # Aon A insurance organization with 50,000 to 100,000 employees. Where it sits among its peers, the technology it runs and how to reach its people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Aon (aonbenfield.com) is an insurance organization with 50,000 to 100,000 employees. Its public technology footprint includes Microsoft Outlook, Amazon SES, Microsoft Azure Hosting and Freshdesk. ## How big is Aon? Aon has 50,000 to 100,000 employees. Among the insurance companies on this site it sits among the largest. Each dot in the figure is one of its peers, placed by size; the orange dot is Aon. **Figure: Where Aon sits among insurance companies.** A strip of dots, one for each of 120 peers in insurance, spread from 2,000 to 2,000,000 employees on a log scale. Aon is highlighted and falls in the 50,000 to 100,000 employees range among the largest. *Peers in insurance placed by employee count on a log scale. Sizes are rounded ranges from public profiles.* Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure. ## Where is Aon headquartered? Aon is headquartered in Chicago, Illinois. [More insurance companies in Illinois](https://enrich.chat/companies-in/illinois/insurance/)[Companies in Illinois](https://enrich.chat/companies-in/illinois/) ## What industry is Aon in? Aon works in [insurance](https://enrich.chat/industries/insurance/). This group covers carriers, brokers and underwriters that sell policies and manage risk for individuals and businesses. Similar organizations on this site: [AIA](https://enrich.chat/company/aia/), [Farmers Group](https://enrich.chat/company/farmers-group/), [Zurich Insurance](https://enrich.chat/company/zurich-insurance/), [Liberty Mutual Insurance](https://enrich.chat/company/liberty-mutual-insurance/), [MetLife](https://enrich.chat/company/metlife/) and [HDFC Life](https://enrich.chat/company/hdfc-life/). ## What technology does Aon use? We detect 7 tools on Aon's public footprint across 6 categories, for example Microsoft Azure Hosting for cloud and hosting, Freshdesk for customer support and chat and Microsoft Outlook for email and productivity. The figure counts the tools in each category; the groups below name them and link to the companies that use each one. **Figure: Tools detected at Aon, by category.** A bar chart of how many tools were detected at Aon in each category: Email and productivity 2, Cloud and hosting 1, Customer support and chat 1, CDN and security 1, Frameworks and libraries 1. *Tools detected on the public footprint of Aon, by category.* ### Cloud and hosting [Microsoft Azure Hosting](https://enrich.chat/companies-using/microsoft-azure-hosting/) ### Customer support and chat [Freshdesk](https://enrich.chat/companies-using/freshdesk/) ### Email and productivity [Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Amazon SES](https://enrich.chat/companies-using/amazon-ses/) ### CDN and security [Cloudflare DNS](https://enrich.chat/companies-using/cloudflare-dns/) ### Frameworks and libraries [React](https://enrich.chat/companies-using/react/) Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/). ## How do I find the right people at Aon? Start from the website, aonbenfield.com. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as chief underwriting officers, CIOs and claims leaders. ```text Use www.enrich.chat to find the chief underwriting officers, CIOs and claims leaders at aonbenfield.com, with titles and verified work emails ``` Not sure how addresses are written at Aon? The free [email format finder](https://enrich.chat/tools/email-format-finder/) shows the pattern for aonbenfield.com. ## Which other companies use the same tools? See who else runs the tools Aon uses: [Microsoft Outlook](https://enrich.chat/companies-using/microsoft-outlook/)[Amazon SES](https://enrich.chat/companies-using/amazon-ses/)[Cloudflare DNS](https://enrich.chat/companies-using/cloudflare-dns/)[Microsoft Azure Hosting](https://enrich.chat/companies-using/microsoft-azure-hosting/)[React](https://enrich.chat/companies-using/react/)[Freshdesk](https://enrich.chat/companies-using/freshdesk/) ## Frequently asked questions ### How many employees does Aon have? Aon is in the 50,000 to 100,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide. ### What industry is Aon in? Aon works in insurance. This group covers carriers, brokers and underwriters that sell policies and manage risk for individuals and businesses. ### What technology does Aon use? Tools detected on its public footprint include Microsoft Outlook, Amazon SES, Microsoft Azure Hosting and Freshdesk, across 6 categories. A detected tool shows it was seen, not what Aon pays for it. ### Where is Aon headquartered? Aon is headquartered in Chicago, Illinois. ### What is the website of Aon? Aon's website is aonbenfield.com. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone. ## Try this prompt Find people at Aon ```text Use www.enrich.chat to find the chief underwriting officers, CIOs and claims leaders at aonbenfield.com, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [AIA](https://enrich.chat/company/aia/) - [Farmers Group](https://enrich.chat/company/farmers-group/) - [Zurich Insurance](https://enrich.chat/company/zurich-insurance/) - [Liberty Mutual Insurance](https://enrich.chat/company/liberty-mutual-insurance/) - [MetLife](https://enrich.chat/company/metlife/) - [HDFC Life](https://enrich.chat/company/hdfc-life/) - [The Allstate](https://enrich.chat/company/the-allstate/) - [China Life Insurance Co.Ltd](https://enrich.chat/company/china-life-insurance-co-ltd/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)