Areas of interest are Environmental law, Labour Law and Human rights. Ms Ayugi has undertaken published research in the following areas:
National Aids Control Council funded- HIV and Labour in Kenya, Law, ILO funded Compilation of labour case laws in Kenya African Centre for
Technology Studies funded Review of Water Laws in Kenya, and Conflicts in Nile basin, Open Society Justice Initiative, Discrimination and Citizenship, Unitarian Universalist services Committee funded paper on the right to water as a human rights amongst other research
The research has contributed towards the development of labour law, Children Law, AIDs law, as well as advocacy, litigation and public awareness