If someone is collecting results on your behalf you will need to provide written evidence that you have given them permission and they need to provide proof of ID
Up to date information from Ofqual regarding results and exams can be found here: https://www.gov.uk/government/organisations/ofqual
Information can also be found on Ofqual’s YouTube page: https://www.youtube.com/user/ofqual
Ofqual Twitter page is a good source of information and surveys to take part in. Information is also available on their Facebook page.