Clone our UK site over to US domain, integrate with US server, Integrate CRM, Integrate Donation processor

I am looking for a freelancer to help us update our existing UK website over to a US domain, integrate with a US server, integrate a Salesforce CRM and integrate an iDonate donation processor. The domain of our UK a .org, however our current CRM system is Salesforce and our preferred donation processor is iDonate. We need our website to be integrated with the US domain, US server, CRM and donation processor within a reasonable timeframe. We need someone who can ensure that all the necessary elements are included and that the website functions smoothly and correctly.