Katherine is represented for all acting work by Samira at Independent Talent and for all writing work, by Cathy King at 42mp.
You can contact Samira at samiradavies@independenttalent.com, and Cathy can be contacted via cathyking@42mp.com

For voiceover work Katherine is represented by Earache.  Her page is here:

You can also find her on Spotlight, here, and follow her on twitter at @KatherineJake.

Or write directly to her, at katherinejakeways@gmail.com