Williams is a house brand of Guitar Center, specializing in affordable digital pianos and keyboards. Based in Thousand Oaks, California, the brand is sold exclusively through Guitar Center's family of retail outlets, including Musician's Friend and Music & Arts. Williams instruments are manufactured in China and target beginner to intermediate players looking for full-sized, 88-key digital pianos at accessible price points.

The Williams product line spans portable digital pianos like the Legato and Allegro series, console models such as the Overture and Rhapsody, and digital grands including the Symphony Grand. All Williams instruments feature the Williams Custom Sound Library, a collection of samples drawn from acoustic, electric, and vintage keyboards. A distinguishing feature across the lineup is the Mod/FX control interface, which adds rotary speaker effects to organ sounds and vibrato to electric piano patches. Williams pianos also ship with access to McCarthy Music educational software, reinforcing the brand's focus on learners and home players.

Williams has 9 products cataloged on Equipboard, including Digital Pianos, Beginner Kits, and Lap & Pedal Steel Guitars. Their gear is featured by 2 artists, with the strongest followings in Rock, Folk, World, & Country, and Metal. Notable users include Eric Heywood and Vitalij Kuprij.