"Morgan Stanley's Marriott code MOS is listed alongside Goldman Sachs and UBS codes in FlyerTalk's compilation of financial institution corporate codes. The SF Marriott and midtown Manhattan Marriotts were specifically cited in enforcement threads as properties that "cracked down on corporate code abuse." For financial sector codes, the discount threshold triggers audit flags — if Morgan Stanley's rate is 20%+ below BAR, full-service properties are more likely to verify. US domestic verification: 10-20% at urban full-service; Europe/Asia: meaningfully higher. No MOS-specific denial incident documented."

"I always see people saying that they aren’t able to do mobile check in. I’ve only stayed at two Marriott hotels where I tried to do mobile check in ( both of them never been to before) and they both let me without having to go to the front desk which I was really happy about because I had lost my ID and didn’t know how I was going to check in. Also I think I only had about 20 nights at the time, I usually stay with my boyfriend because he’s titanium."

"I work for the front desk, at a Marriott, & have for the last 8 years .... So when it comes to room upgrades; it goes based on AVAILABILITY... sometimes no matter the tier, if we have it available - I will upgrade the guest. Now of course, higher tiered members get dibs on the upgrades first but after we go through the higher tiered members, Ambassador, Titanium, Platinum - then we go through the other ones. I cannot express this enough : BEING NICE & POLITE AT THE DESK GOES A LONG WA"