IBM is a global technology services and consulting corporation founded in 1911 with negotiated corporate hotel rates spanning 6 chains. IBM corporate codes are active at Radisson Rewards, Wyndham Rewards, World of Hyatt, Marriott Bonvoy, Hilton Honors, and 1 more chain. The Radisson Rewards code (18608) is rated low risk — most front-desk agents accept it without documentation. The Wyndham Rewards code (1000012142) is rated low risk — most front-desk agents accept it without documentation. The World of Hyatt code (13717) is rated medium risk — occasional ID or pay-stub verification may apply. IBM codes show mixed verification risk: low-risk codes dominate at certain chains while others apply stricter checks. Of 7 total codes, 2 are rated low risk, 2 medium, and 3 high risk. For the lowest verification risk, the Radisson Rewards code (18608) is the recommended starting point. Codes are accepted globally, though enforcement varies by region and property. When booking, enter the IBM corporate account number at the hotel's checkout page or call the property directly to apply the negotiated rate.
先从最低风险品牌开始，再决定是否为了价格去尝试中高风险品牌。