You can use Stripe on your store by temporally changing your country on Shopify to a country where only Stripe is available but Shopify Shopify Payments is not currently available. If you do so, you will see the option of linking your Stripe account....

If you Incorporate your company in the UK you can use Stripe from any country in the world as you would be able to open a Stripe account with your UK Company. One Company that helps founds from all over the world to Incorporate in the UK and also pro...