Engineering Certainty Where Failure Is No Option.

Electrical and Mechanical Engineering Specialists delivering high‑integrity systems for Defence, Aerospace, Nuclear and Complex Environments.

From concept and design through build, integration and lifecycle support, Brown & Holmes (Derby) delivers systems that perform safely, reliably and predictably — building on a proud engineering heritage supporting the defence of the UK since 1939.

Brown & Holmes Derby

We supply highly regulated, high reliability electrical design and make programmes and product into some of the most extreme conditions on the planet.