Hi.
If the freelancer in Germany is providing these services to a Business in the UK then it is the responsibility of the UK business to account for the VAT on the reverse charge.
The reverse charges isn't an optional procedure, it's a mandatory one where:
the place of supply is the UK
the supplier belongs outside the UK
you belong in the UK
the supply is not exempt (this includes exempt supplies subject to an option to tax)
for supplies not within the general rule, you’re VAT registered in the UK.
Please see the definition of electronically supplies services below:
Defining digital services
The Use and Enjoyment Rules wouldn:'t come in to this scenario based on the following decription:
The use and enjoyment rules are intended to make sure taxation takes place where services are consumed where either services are consumed within the UK but would otherwise escape VAT, or they would be subject to UK VAT when consumed outside the UK.
Please see the guidance below:
Use and enjoyment