Cleaning website from malware, fixing H tags and transfer it to other hosting

I have a website which is infected with malicious code and making troubles and viruses for me.. I need some one experienced that can do the following: 1. Clearing and cleaning the website from any harmful and malicious code infected. 2. Cleaning the making sure the DB is clean and optimized. 3. Fixing H tags to be read and accessible by Google and Google crawlers. 4. Transfer the website to another hosting of mine. 5. Making sure the website is running smoothly and fast in the new hosting. The website is WordPress based. Thanks