Nicholas worked in the field for the Nature Conservancy Council for 10 years before joining Scottish Natural Heritage where he focused on policy and project development around the wide area of sustainable development. In 2000, he moved to Highlands and Islands Enterprise where he was Head of Community Regeneration, working on community development programmes and social enterprise initiatives.
He was the founding CEO of the Highlands and Islands Community Energy Company and then Community Energy Scotland which has supported hundreds of community energy projects of all sorts across Scotland. He retired from CES in 2021. Along with being a trustee of the Pebble Trust, Nicholas is a director of HISEZ & helps with the work of Community Energy Malawi.