Xplain Hosting offers worry-free and affordable Drupal hosting:

• Don't worry about security: we patch Drupal core automatically.
• Don't worry about backups: we backup your code, files and database for no extra cost.
• Don't worry about updates: Updating modules is just a single click via our management console.
• A nice developer environment: staging and live sites, and easy integration between them.
• Affordable: from $20/month.