About Us

Unison is one of the world’s most respected environmental management and sustainability company. We build long-term trusted partnerships to create a world where lives are enriched through the implementation of our ideas. We provide a comprehensive range of services to help public and private sector organisations to characterise, assess, quantify and manage their relationship with the natural environment and to prepare for a changing climate.
Strategic sustainability – We work with clients from all sectors to ensure long term environmental, social and economic sustainability through early integration of sustainability considerations in policy, plan and project development. We provide Strategic Sustainability Assessment services and a range of services to support with the identification and implementation of sustainability and climate change solutions for masterplans and projects. For more information, please download our embedding sustainability into development flyer.

Corporate governance

We support organisations with the development and implementation of environmental policy and strategy, corporate responsibility, industrial sustainability and environmental management systems (EMS). We work with organisations at all stages of their management system development – from initial environmental review through to ISO14001 and EMAS implementation. We provide clear, action-based advice that improves our clients’ environmental performance.

Legal compliance and risk management – We support organisations with environmental permitting, compliance with COMAH, health and safety risk assessments and due diligence for all manner of transactions including disposals, mergers and acquisitions, debt-financed, securitisations, IPOs, MBIMBOs and Lenders Technical Advisory support on PFI/PPP.

Our team comprise internationally experienced advisors, including those registered as Environmental Auditors & Principal Auditors by the Institute of Environmental Management & Assessment (IEMA).