"Deutsche Bank's Marriott code DBK is a major European financial institution code. FlyerTalk European hotel enforcement threads note: "European Marriott properties near financial centers (Frankfurt, London, NYC) are among the most likely to verify corporate codes." Deutsche Bank's Frankfurt/London/NYC presence is well-known to hotel staff in those markets. hotelcorporatecodes.com: "⚠️ Sometimes." US domestic outside financial centers: low enforcement. Europe: medium-high enforcement."

"We know what the various Deloitte, EY, PwC, Google, Meta, etc badges look like. If you work for the company, it’s not a problem to verify that you work there. We do this for the random people that say they work for Deloitte, when in reality, they just refill the vending machine at a Deloitte office."

"I mean, it depends on the size of the hotel. Having one person on night shift for a Fairfield isn’t uncommon. The better hotels have more people working at front desk even at night simply due to the size and brand. I’d however say though, if the property has been notified of the guest’s check in time in advance, and part of deal of getting into night shift is to check people in at unusual hours like that, then it certainly does not sound right to me that the front desk agent cannot have the meal earlier or later out of that many hours of the shift."