She’s been sent up in Liverpool to correspond with their members there and do some research into possible horcruxes. It’s really only a few old wizards and squibs, but you never know when you’ll need a small parchment company or a baker. Anyone who’s on their side isn't on the Death-Eater’s. Connections are good, Hermione's learned. Connections are what really helps you win a war. They've got a safe house there, if you can call it that, for purposes unknown. It’s a nice house, just abandoned. A few wards, a few anti-muggle spells, and bam, they've got a cold little creaking 2-bedroom for themselves.