| 1977-04 |
Founded as SUMIEITO KOSAN in Himeji. |
| 1979 |
Starts offering solid waste as alternative materials for natural resources. |
| 1986 |
Starts recycling metal-containing solid waste into usable resources. |
| 1987-04 |
Opens a sales office in Tokyo. |
| 1989-04 |
SUMIEITO KOSAN changes its company name to SUMIEITO Co., Ltd. |
| 1990-07 |
A recycling facility for industrial waste, currently the Himeji Resource Recycling Plant, becomes operational in Himeji. |
| 1992-05 |
The first issue of WIEDER, a pioneering magazine on environmental information, published. |
| 1994-04 |
Opens a sales office in Nagoya. |
| 1994-06 |
Jointly establishes NIKKA SUMIEITO with Hitachi Chemical. |
| 1995-05 |
NIKKA SUMIEITO's main plant, currently the Ibaraki Resource Recycling Plant, becomes operational in Chikusei, Ibaraki Prefecture. |
| 1995-09 |
Unveils the corporate mission. |
| 1997 |
The second Himeji Resource Recycling Plant becomes operational. |
| 2000-04 |
SUMIEITO Co., Ltd. changes its company name to AMITA CORPORATION. |
| 2001-10 |
Wins a Good Design award. |
| 2001-11 |
Relocates its head office to Tokyo. |
| 2002 |
Assists in establishing an environmental education facility in Kyoto. |
| 2002-06 |
Signs the UN Global Compact. |
| 2003-07 |
Wins a commissioned research project from the New Energy and Industrial Technology Development Organization (NEDO). |
| 2004-01 |
Open a West Japan sales office in Osaka. |
| 2005-07 |
The Institute for Sustainable Economies established. |
| 2005-08 |
The Kyotango Resource Recycling Plant becomes operational.(Closed in May 2018) |
| 2006-06 |
Company stock becomes listed on the OSE Hercules Market, currently the Growth Market on the Tokyo Stock Exchange. |
| 2006-09 |
Launches an MSC certification service. |
| 2007 |
Launched the forest dairy farming business. |
| 2009-02 |
Launches a telemarketing service focused on CSR and environmental solutions. |
| 2009-04 |
Releases the e-Waste Management System, currently Smart Management. |
| 2010 |
The Kawasaki Resource Recycling Plant becomes operational. |
| 2010-01 |
AMITA HOLDINGS Co., Ltd. Established. |
| 2010-04 |
AMITA Institute of Environmental Certification Co., Ltd. established. |
| 2010-06 |
AMITA CORPORATION opens the Kyushu Sales Office and the Kitakyushu Resource Recycling Plant. |
| 2010-09 |
AMITA Institute of Environmental Certification is designated as a certifying body for the MSC chain-of-custody certification. |
| 2011-03 |
Provides waste-recycling programs in areas affected by the Great East Japan Earthquake. |
| 2011-06 |
AMITA CORPORATION establishes AMITA TAIWAN CORPORATION. |
| 2011-07 |
Opens the Tohoku Office in Sendai. |
| 2011-09 |
Tobimushi Inc. sells its stock to AMITA CORPORATION. |
| 2012-01 |
AMITA HOLDINGS relocates its head office to Kyoto. |
| 2012-03 |
AMITA HOLDINGS opens the Minamisanriku Office. |
| 2012-10 |
AMITA Institute of Environmental Certification is designated as a certifying body for the ASC chain-of-custody certification. |
| 2013-12 |
Relocates the Group head office to Kudan-Kita in Chiyoda-ku, Tokyo. |
| 2014-01 |
AMITA HOLDINGS relocates its head office to Nakagyo-ku, Kyoto. |
| 2014-01 |
AMITA CORPORATION opens the Kyoto Office and a new head office in Tokyo. |
| 2014-01 |
AMITA Institute for Sustainable Economies opens the Keihoku Office. |
| 2014-07 |
Opens the Fudenkan museum in Kyoto. |
| 2014-09 |
AMITA CORPORATION opens the Gamagori Office. (Closed in November 2018) |
| 2014-12 |
AMITA CORPORATION opens a branch office in Niigata. |
| 2015-03 |
AMITA HOLDINGS and AMITA Institute for Sustainable Economies relocate their head offices from Tokyo to Kyoto. |
| 2015-04 |
AMITA CORPORATION acquires AMITA Institute of Environmental Certification. |
| 2015-07 |
AMITA CORPORATION establishes AMITA ENVIRONMENTAL STRATEGIC SUPPORT（MALAYSIA）SDN. BHD. (AESS for short) |
| 2015-10 |
AMITA CORPORATION establishes Minamisanriku BIO. |
| 2015-12 |
AESS establishes AMITA KUB-BERJAYA KITAR SDN.BHD. jointly with KUB BERJAYA ENERGY SDN.BHD. |
| 2016-02 |
AMITA CORPORATION launches the Sustainable Stage service to assist businesses in achieving sustainable growth. |
| 2016-03 |
AMITA CORPORATION becomes the first Japanese company to be designated as a certifying body for the ASC aquaculture farm certification. |
| 2016-04 |
AMITA TAIWAN CORPORATION establishes the Taiwan Resource Recycling Plant. (Decision to close the plant is made in April 2019) |
| 2017-05 |
Launches the resource-recycling business in Malaysia. The AKBK Sustainable Resource Management Centre, currently AMITA NAZA Sustainable Resource Management Centre, becomes operational. |
| 2018-11 |
AMITA CORPORATION launches the AMITA Smart Eco service to assist businesses in streamlining environmental management. |
| 2020-06 |
AMITA CORPORATION relocates its head office to Kanda in Chiyoda-ku, Tokyo. |
| 2021-01 |
The AMITA Group announces its commitment to becoming a Future Design Company. Launches the Social Design Business to achieve the Group's mission. |
| 2022-03 |
AMITA HOLDINGS establishes Codo Advisory, Inc. jointly with MCP Japan Holdings Limited. |
| 2023-01 |
AMITA CORPORATION changes its trade name to AMITA CIRCULAR CORPORATION. Part of the business of AMITA CIRCULAR CORPORATION was transferred to newly established company AMITA CORPORATION through spin off company. AMITA HOLDINGS establishes AMIDAO CORPORATION. The AMITA group implements 32-hour work week to enhance value creation by improving employees' well-being. |
| 2024-04-01 |
AMITA HOLDINGS Tokyo Office, AMITA CORPORATION Head Office, |
| 2024-12 |
AMITA BERJAYA SDN. BHD. changes its company name to AMITA NAZA SDN. BHD. |
