"McKinsey codes at luxury Hilton brands (Conrad, Waldorf Astoria) carry higher verification risk. One Fishbowl user was asked at a Westin SF for firm ID, resolved by offering work email verification. Hilton verification is hit-or-miss, roughly 20% of the time across legitimate corporate codes. Code is flagged in industry databases. Properties near McKinsey offices show heightened scrutiny."

"I've experienced this at the Doubletree Airport TPA. I probably caused it as I spent 100 nights there on our company rate Our corp rate at that location is fantastic. A friend of mine was at Hertz recently and they were checking corporate identification. It may be hit or miss, but I now expect to show my company or government badge. I keep them in my backpack in the first pocket so I can quickly give them to the CSR."

"I would contact your corporate travel. I know some companies have one code for employee business travel and one for employees and their families. Some use just one for all. Shouldn't be too difficult to email to your travel team to get clarification."