What should you look for in a branding portfolio?
You look for a whole venue: door, menu and screen with the same mark, not a grid of logos. If the case never left the mockup, it does not say how the work behaves in a neighbourhood. Ask for the file the printer took and a photo of the piece installed. Distrust the case that only exists on a board. Someone is chosen for a fashionable logo and the studio has never made a menu or a sign. Your opening repeats that gap. In tuinsta's work the mark is shown in use, as at Flowwell from paper to the contact card, or at Clínica Dos Ramos from the phone to the counter. That is what can be commissioned.