Dear Sir,
I have done this several times in my professional life; this week I have moved a server again and I can do this at the low cost for you.
As you will need to give me access to confidential data, I am able to give you references (professional or personal) in UK, USA, France and Brasil to make you confident that you can trust me.
Thank you for your time. I look forward to discuss my qualifications further.
Best regards,
Rogério Reis da Silva
Software Engineer