Upvote:1
If you hire an adviser regulated by the Office of the Immigration Services Commissioner (OISC), then it should be reasonably safe to engage their services. Your adviser must give you a letter immediately after you hire them saying:
what work they’re doing for you
how much you’ll be charged
how you’ll pay them
https://www.gov.uk/find-an-immigration-adviser/hiring-an-adviser
You have a right to see the submission. Tell the adviser that you want to do this before you engage their services and ask them to confirm their agreement to your request in writing. If they don’t agree or seem reluctant, find another adviser.