She and Snape apparated right outside Gringotts, both cloaked and hooded to avoid unwanted and unnecessary attention. A female goblin was waiting for them at the entrance. She gestured for them to follow her and led them to the Head Goblin’s office where Griphook welcomed them with a genial greeting. Although, it was probably aimed more at Ashley than Snape. Having arrived a little early, they had to sit tight for Sirius and Remus to turn up but it didn’t take too long. Everyone knew never to make a goblin wait. It was significantly disrespectful to the race, even if the one to do it was of high standings.