No I'm afraid it is a survey i need to use. There are further questions about rating the service they have received etc.
It just seems silly to have to ask the customer to fill in their name and company when we do already know those details as we are emailing them the link to the survey. Yet that is the only way we will be able to identify their survey response.
As I said the ?_clde=[email here] function works really well for passing the email address through, you really could do with a way of pre-populating other fields.