"Siemens (16605) appears in the FlyerTalk Hyatt discount code master list alongside GE, IBM, and Samsung. One contributor wrote: "GE generally works best, followed by IBM, but sometimes the Siemens and Samsung rates will amaze you — 70% off at the Grand Hyatt HK with Samsung." A user claiming ~40 uses across 10 countries with similar tech-company codes: "asked for ID about 50% of the time" — primarily at Park Hyatt and Grand Hyatt properties in Asia. Hyatt Place and Hyatt House in the US: essentially never checked. Park Hyatt properties in global capitals: near-certain check."

"I don‘t want to violate the T&C and risk my LTG status and account being closed….so I proactively contacted MHC and explained the situation. Came back with the standard and expected answer quoting the T&C and needing to work for the company and provide company ID upon checkin. but they also contacted the hotel to see what can be done. Will be interesting to see what they come back with…"

"Just FYI, the Hyatt Regency Kiev does require Corporate ID upon check-in. My corporate rate is 220 EUR instead of 410 per night and they were quite insistent on getting the corporate ID. Good thing I had it with me."