Ask HN: How do you handle VAT / Sales Tax accounting as B2C SaaS?

Hey! I run a B2C SaaS and I use Stripe for all of my sales (subscriptions). I am looking to learn how others handle their VAT / Sales Tax filing. I know that the standard answer would be to use Paddle / LemonSqueezy / Polar.sh, but I already have a lot of subscribers on Stripe which makes quick migration non-trivial. I am especially looking for some reliable accounting companies / accountants that can register and file Sales Tax across US, UK, Canada, Australia, etc. (It does not have to be a global solution). It's my understanding that solutions like Stripe Tax, Alavara, Quaderno, etc. only help collect the necessary data (which I consider the easier part, at least for digital goods), but do not handle the registration & filing (though I've learned that Quaderno will support filing Sales Tax in the US on your behalf soon). --- Some jurisdictions are relatively easy to handle (for example, one can handle whole EU by uploading a simple CSV [1] once a quarter and the CSV is easy to ... Read full article.