Margit graduated in 2002 from Royal Holloway College with MA in screenwriting. She has created 2 feature length documentaries and 3 shorts. In 2022 Margit founded her own production company Tiny Desk Productions. In 2019, her second documentary feature The Circle premiered at Ji.hlava IDFF and was nominated for the Best documentary at Estonian Film and TV awards. 2020 Margit received the annual prize for outstanding social documentary film by Estonian Cultural Endowment. She won the pitching prize at Vision du Réel 2022 for Becoming Roosi.