0 Specialist Sustainability Consultancy Est. Mainer Associates is a specialist sustainability consultancy dedicated to making developments better - supporting organisations across the UK to design, construct and operate places that are resilient, responsible and future-ready. Established in 2012, we have grown from a small, values-driven team into one of the UK’s leading sustainability consultancies for the built environment.

Our purpose is simple: empower our partners to develop more sustainably and confidently achieve their environmental and net-zero ambitions. We blend technical excellence with practical insight to guide clients through critical project milestones. Our team assesses and enhances the environmental performance of developments using a whole-life approach , ensuring that decisions are informed, cost‑aware and aligned with long‑term sustainability goals.

Evaluating environmental and wellbeing performance of buildings. Quantifying environmental impacts from cradle to grave. Our digital platform for supply‑chain engagement and embodied‑carbon data management.

Integrating environmental and social governance into business operations. Assessing health and wellbeing performance of buildings. Identifying, evaluating and mitigating development impacts.