"PwC's Marriott code PCW is in the same tier as Deloitte (DTC), EY (EYC), and Accenture (ACC) — all Big 4 / consulting codes with documented community discussion. Fishbowl posts from consulting professionals: "How do you get around the ID check for consulting codes at Marriott?" — confirming awareness. PwC has the most heterogeneous employee base of the Big 4 (audit, advisory, tax, legal) making ID matching harder. hotelcorporatecodes.com: "⚠️ Sometimes" for PCW. US select-service: essentially no enforcement. US full-service: 10-20%. International: significantly higher."

"I think the generic 'show corp id' designation means show the company business card. I think a lot of us don't have them or, if we do & we're not going to an office that we'd need to show them, leave them at home. I worked for some F500s that didn't require corp ids with shiny smiling faces on them & others that did; same with company credit cards. All, however, provided biz cards when working for them."

"I don't do mobile check-in if I'm wanting to upgrade. I check the app before I go in to see if any suites are available to book during the duration of my stay. If there is I just say "Would it be possible to get upgraded to an available suite with my platinum benefit?". Of course this is typically at the hotel that I stay in about once a month for 3 day at a time for work. The front desk pretty much knows me and know that I am fairly low maintenance."