We build ideas that work

At SED, we create ideas and transform them into tangible, market-ready products with passion, precision and commitment to excellence.

Electrical engineering design

Empowering your products with advanced electrical systems and innovative solutions.

Mechanical engineering design

Driving efficiency and performance through precision mechanical design.

Industrial design

Bringing aesthetics and functionality together to create captivating product experiences

Founder & director

Santiago Alvarez

The former amp designer and technical director for Marshall. Santiago has been in the industry for many years. He has played a significant role in shaping the sound of modern music, designing and developing amps for artists such as Yngwie Malmsteen, Slash, and Joe Satriani.

Client testimonials

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Alan Roberts
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Natalie Watson
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Brent Chandler
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