I’ve seen people say there are no BIG success stories with Aurelia. I would like to think that we have one, it is just not very public. I work for Yahoo! (formerly Verizon Media). We switched to Aurelia when AngularJS announced they were working on v2 and there would be lots of breaking changes.
We started by writing a live event dashboard that allows customers to manage live events (start/stop events, go to ad break, switch to slate, etc). We then created an event scheduler to go with it. We then migrated our whole CMS system to Aurelia. We then pulled out our all our components and made them open source (see bindable-ui.com). We now have repos with over 350,000 lines of Aurelia related code. We have huge media companies that I’m sure you have all heard of, that use and rely on our code. Here is a recent success story with Discovery+.
Our team is spread across the US an we have worked remotely since I started 7 1/2 years ago. We also have an office in Tel-Aviv. If you are interested in joining us, please apply and then shoot me a message as we already have lots of candidates.