Hope the UK will exit the EU as soon as possible.
About this subject, gov.uk is very clear here
https://www.gov.uk/guidance/register-and-use-the-vat-mini-one-stop-shop
and even more here
https://www.gov.uk/government/publications/vat-supplying-digital-services-to-private-consumers
The flowchart is the most clear stuff I’ve found out there.

For B2B there isn’t any problem.
For B2P you have to register for VAT in the target nation or a very much simpler VAT/Moss here in UK.

Unfortunately I live in UK but I won’t be allowed to vote for the EU referendum, otherwise would be an absolute NO! ESCAPE FROM EU before it’s too late! 🙂

See ya!