PaulDavis I can verify that these are installed and work. Aqua credit card (part of New Day) - although it seems slower Chase UK. Anyone with any more? I'm sure a verified list per country would help people
Dumdum https://privsec.dev/posts/android/banking-applications-compatibility-with-grapheneos/#united-kingdom
spring-onion Looks like Aqua isn't included yet, if you're around on github feel free to submit a report! https://github.com/PrivSec-dev/banking-apps-compat-report/issues