SiteGround is 1 of 3 hosts recommended by WordPress.org

WordPress is a low maintenance script that pretty much any LAMP host could support. Yet, you should not just go after any host, but look for a quality provider that understands the needs and the dynamics of this software and charges reasonable fees.

SiteGround has specialized in hosting WordPress since its inception and is hosting tens of thousands of sites made on it. We make sure our service is top-notch in terms of speed, support and security for WordPress.

-SiteGround (source link)