Darkglass Electronics is a handmade bass guitar equipment company based in Helsinki (Finland), founded in 2009 by Chilean engineer Douglas Castro.

With presence in over 40 countries and exclusive distribution in countries such as Japan, China, USA, Germany and Canada, Darkglass products are currently used by bass players such as Billy Gould (Faith No More), Paul Turner (Jamiroquai), Ra Díaz (Suicidal Tendencies) and Tony Levin (King Crimson).