The producer has to prove things to the notified authority.
For companies based in the EU a whole lot of things don't need a whole audit trail of proof; just being based in the EU...
Manufacturers in 3rd Countries can also sell in the EU, but they have to assemble a ton of ...
Many (most) UK companies who have been happily selling in the EU and getting their products certified fairly easily....
Many are completely unprepared.
Why? Because the Gov has not prepared them. ...