United KingdomProfessional services2025 – ongoingAon
AonGPT enterprise assistant
AonGPT reached about 31,000 monthly active users
Problem
Staff searched separate systems for information.
Approach
Aon built AonGPT on Azure for document comparison, translation and code generation. Bing Search supplied current information, while role-based controls managed access.
Results
About 31,000monthly active users, according to Microsoft
Takeaway
Aon combined web-search grounding with role-based access controls. Its monthly usage figure measured adoption without quantifying time savings.
Categories
- Size
- Large enterprise
- Industry
- Professional services
- Business function
- Internal work and knowledge management
- Innovation type
- Process innovation
- AI technology
- Generative AI
- Adoption
- Built in-house
- Evidence
- Vendor case study
Sources
Source summaries
[1]Microsoft18 Nov 2025
Microsoft described AonGPT's use for document comparison, translation and code generation. An Aon executive reported about 31,000 monthly active users.
Full details are in the original sources.
Added 1 Nov 2026 · Updated 1 Nov 2026