Hartswood Filmsis a British television production company founded by Beryl Vertue in 1979.
They have also produced dramas such as Jekyll, as well as documentaries, and the 1990s ITV/BBC sitcom Men Behaving Badly.
In 2009, Hartswood opened a production office in Cardiff, which works alongside BBC Wales' "drama village" in Cardiff Bay. The company's first Cardiff-based production is Sherlock, co-created by Steven Moffat.
