Purple Dragon Media (PDM) was founded in February 2013 by Mark White.

The company’s mission is to provide services and applications in the subtitling industry.

PDM produces subtitling software.  Its first product is the Onyx preparation software.  It also offers file conversion services, bespoke integration and consultancy.

With the release of the Onyx product the company is now focused on broadening its file format support, video support as well as introducing additional features to aid the production of high quality subtitles.