Greg Shillabeer, founder and director of Arcus. A YORK-based specialist firm has been acquired by ERM, one of the world’s biggest sustainability consultancies. Arcus Consultancy Services provides environmental, planning and engineering support to major renewable energy schemes in Europe and Africa. Founded in 2006, Arcus now employs almost 100 people across the UK and South Africa, and supports clients from initial site searches to completion. Projects include windfarms, solar plants, battery storage facilities, hydrogen schemes and gas to grid systems. Greg Shillabeer, pictured, founder and director, said: “We have created a fantastic business in Arcus over the past 14 years and are keen to further develop and diversify geographically, in different market sectors and with new clients.