Skip the logos. Look for full-grain leather and understated hardware....

https://uniform-wiki.win/index.php/The_Art_of_the_Briefcase:_Selecting_Hardware_for_the_Quiet_Professional

Skip the logos. Look for full-grain leather and understated hardware. Practicality is key: find a design with a trolley sleeve for travel and a reliable 5-year repair warranty. It should easily house your daily gear without looking bulky