HostGator's managed WordPress hosting solution is fast, safe, and easy to use, and has 24/7 support by HostGator Optimized WordPress experts. There's free migration, too.
They offer two types of customizable VPS hosting plans (semi-managed and fully-managed) that can be upgraded any time. The dedicated servers, meanwhile, allows maximum customization, installation, and configuration.
Those who are transferring sites will be helped out by company's migration team, which can transfer files, databases, and scripts. Their support team is always ready to help out 24/7/365 via live chat, phone, or email.