ACCEL - I. TZAMTZIS & CO. G.P. is a consulting company specialized in carrying out studies and projects relating to: the environment; natural ecosystem management; climate change; and environmental policies aimed at the sustainable management and development of natural resources, forests, land use and land-use changes.

Founded in 2013, with its headquarters in Athens, ACCEL is supported by a number of specialized scientists and engineers with experience in environmental and forestry issues. Key ACCEL fields of expertise include: forest management; landscape design; environmental impact assessment; greenhouse gas emissions/removals inventory relating to land use, land-use change and forestry sector in accordance with the United Nations Framework Convention on Climate Change (UNFCCC) and the Kyoto Protocol; mapping of ecosystems, natural resources and land uses; creation of forest maps in the context of the Greek Cadastre project; interpretation of aerial and satellite photo-images; and consultancy services on environmental and forest policy issues at a national and international level.