Frustration with low-quality in-ear headphones prompted Andrew Reid, 47, to start this Glasgow firm in 2011. RHA’s headphones are sold online as well as through retailers worldwide, including the Apple store network. All products come with a three-year warranty, and have been a hit in the US, Europe and Asia, driven by positive reviews in technology magazines and online. Overseas sales reached £4.8m last year, and in September, RHA launched its first portable headphone amplifier.

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Company details
ActivityPersonal audio product designer
2 yr av intl sales growth % pa129.27%
International sales £000s*4,789
Total sales £000s*6,164

If applicable:

* Supplied by company † Annualised figure