MT Sustainability Consultancy was established in 2024 in response to the need of SMEs to navigate the vast sustainability landscape. Mary Teehan is GRI and CSRD certified and has a PGrad in Innovation in Sustainability, along with c.18 years experience anchored in the built environment across EU and national public, private and research sectors. Her services specialise in circularity transitions, ESG (ESRS/ LSME / VSME and NEGE) implementation and software development.