Nature Advisory Services (NAS) is a UK-based consultancy business founded by Dr Oliver Hoelzinger who is a leading expert in implementing the natural capital approach. NAS is assisting organisations integrate natural capital, biodiversity, and climate expertise into their operations, facilitating a transition toward Nature Positive and Net Zero goals. The business provides specialist strategic and project-level advisory services, including Nature Strategy, Natural Capital Assessments and Accounting, Ecosystem Services Provision and Opportunity Mapping, Strategic Biodiversity Net Gain (BNG), Nature Finance Opportunities, Nature-based Solutions (NbS), as well as Tailored Tools, Training and Guidance for self-sufficiency in sustainable practices.

NAS is combining natural capital, ecological economic, climate and biodiversity expertise to support clients on their challenging journey towards becoming Nature Positive and Net Zero. No matter how far your organisation has progressed on this journey, NAS can help you achieve your goals efficiently and effectively. Our advice is grounded in sound science and aligns with regulations and best practice. NAS provides comprehensive advice at both the strategic and project-level, from the development of a Nature Positive strategy and meaningful KPI’s, to the implementation of the Natural Capital Approach into operations and systems, through to demonstrating net gains for the environment for projects.