AON is a corporation with an active negotiated corporate travel program with negotiated corporate hotel rates spanning 2 chains. AON corporate codes are active at Radisson Rewards, World of Hyatt. The Radisson Rewards code (55321) is rated low risk — most front-desk agents accept it without documentation. The World of Hyatt code (27450) is rated medium risk — occasional ID or pay-stub verification may apply. AON codes show mixed verification risk: low-risk codes dominate at certain chains while others apply stricter checks. Of 2 total codes, 1 is rated low risk, 1 medium, and 0 high risk. For the lowest verification risk, the Radisson Rewards code (55321) is the recommended starting point. Codes are accepted globally, though enforcement varies by region and property. When booking, enter the AON corporate account number at the hotel's checkout page or call the property directly to apply the negotiated rate.
Start with the lowest-risk brand, then review medium and high-risk alternatives before booking.