Japan CCS Co., Ltd. was incorporated on 26th May 2008 by investment of total 29 Japanese major private companies for the purpose of conducting a total investigation for CCS demonstrations, and early extensive dissemination of CCS in Japan. In the spring of 2009, the company increased its capital and allocated new shares to new shareholders. The total number of shareholders became 37 companies as of 31st July 2009.The company is conducting two projects in the fiscal year 2009; one is the Demonstration Project of the CO2 Abatement Technology, which was assigned by the Ministry of Economy, Trade and Industry, and the other is a part of the Feasibility Study on a Total System from Electric Power Generation to CO2 Storage, which was assigned by the New Energy and Industrial Technology Development Organization.As a part of the former project, the company is carrying out 3D seismic survey for a site characterization and an offshore pipeline route survey over two candidate sites for a CCS demonstration project in Japan.Several monitoring methods are also considered for the CCS demonstration project. 3D and 2D seismic survey and VSP are considered for monitoring of injected CO2 distribution in the reservoir, chemical and physical marine surveys for seepage detection, and seismicity monitoring for assessing any impact to the surface and subsurface facilities of the CCS demonstration.The Japanese Government together with Japan CCS Co., Ltd. and private sectors is advancing toward CCS demonstrations.