Nature Advisory Services Ltd

Nature Advisory Services (NAS) is a UK-based consultancy business founded by Dr Oliver Hoelzinger. It 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 natural capital accounting, Biodiversity Net Gain (BNG) assessments, nature-based solutions (NbS), and training for self-sufficiency in sustainable practices.