Focusrite designs and markets audio interfaces, microphone preamps, consoles, analogue equalizers (EQ) and channel strips, and digital audio processing hardware and software for professional and home studios.

[1] Founded in 1985 by Rupert Neve, Focusrite's first contracts included a commission from George Martin to build extensions to AIR Studios' custom Neve consoles, initially the vintage recording console in Martin's AIR Montserrat studio in the Caribbean – specifically a microphone preamplifier and equaliser.

[2] Audio industry entrepreneur and co-founder of Soundcraft Electronics Ltd, Phil Dudderidge purchased the company's assets in April 1989, establishing Focusrite Audio Engineering Ltd and reissuing the original modules along with some new designs.

[5] In July 2019, Focusrite acquired monitor speaker manufacturer ADAM Audio,[6] and in December 2019 acquired Martin Audio[7] who manufacture loudspeaker systems for sound reinforcement.

[8] In March 2022, Focusrite acquired the UK audio equipment maker Linea Research Holdings for £12.6 million.