Margo formed the film company, Thin Edge Films, with her producing partner and wife, Lisa Thomas in the summer of 2000.

Together they created the Documentary film Freeing Silvia Baraldini, the post queer musical, Thirsty, and the short films Out of Service (2004), Cast to the Wind (2008) and 142 Years (2012) as well as the music videos Say Anything (2014) and All That I Am (2016) for independent artist, Nicky Egan.