Clerkenwell-based will continue to focus on communications consultation for brands wanting to communicate social and environmental change.
Since launching three years ago, it has worked with clients including Kellogg, Asda, British Gas New Energy and IFAW. However, it is the , which recognise best practice and creativity in green communications, for which it is best known.
Iain Patton, managing director of Green, said: "Green is an environmental communications consultancy with a difference, we offer in-depth insight into the issues we care about, coupled with innovative thinking and a passion for making things happen."