History
| 1960’s | 1966 June | Maruei Keisan Center, forerunner of transcosmos, incorporated |
| 1970’s | 1974 June | Wakayama Office established |
| 1976 September | Tokyo Headquarters established | |
| 1979 March | Nagoya Office established | |
| 1980’s | 1981 May | Fukuoka Office established |
| 1985 June | transcosmos incorporated | |
| 1987 April | transcosmos Health Insurance Association established | |
| 1987 November | transcosmos Pension Fund established | |
| 1989 May | San Francisco Office established | |
| 1989 October | Shares registered with the Japan Securities Dealers Association for OTC trading | |
| 1990’s | 1990 February | Los Angeles Office established |
| 1992 October | Listed on the Second Section of the Tokyo Stock Exchange | |
| 1993 August | Eurodollar warrants issued | |
| 1995 February | transcosmos Information Creative (China) Co., Ltd. incorporated | |
| 1997 May | J-Stream Inc. incorporated | |
| 1997 September | Listed on the First Section of the Tokyo Stock Exchange | |
| 1999 June | transcosmos CRM incorporated | |
| 1999 September | Invested in NetRatings Japan Inc. | |
| 1999 December | MCM Center Okinawa established | |
| 2000’s | 2000 March | Forecast Communications Inc. incorporated Skylight Consulting Inc. incorporated |
| 2000 June | CyberSource KK. incorporated | |
| 2000 July | MCM Center Yotsuya established | |
| 2001 June | Invested in NetMile Incorporated | |
| 2001 September | J-Stream Inc. listed on the TSE’s Mothers exchange for new ventures |
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| 2002 February | transcosmos MCM Center Miyazaki Aoshima established | |
| 2002 August | Karuizawa Recreational House established | |
| 2002 December | transcosmos CRM Wakayama incorporated | |
| 2003 June | Styling of company name revised to transcosmos inc. | |
| 2003 July | transcosmos MCM Center Wakayama established | |
| 2003 October | Tokyo headquarters moves to new premises in Shibuya-ku | |
| 2004 February | Invested in APPLIED TECHNOLOGY CO., LTD. | |
| 2004 June | Euroyen convertible bonds with stock acquisition rights issued | |
| 2004 July | Capital and business alliance established with Qingdao Zuki Industrial Design Co., Ltd. MCM Center Naha Tsubokawa established Invested in Thailand-based Mitsiam Tele-Services Co., Ltd. |
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| 2005 February | transcosmos information system (Shaghai) incorporated | |
| 2005 April | transcosmos assist inc. incorporated | |
| 2005 June | Team Lab Inc. incorporated | |
| 2005 July | transcosmos MCM Shanghai incorporated | |
| 2005 December | Invested in 9FRUITSMEDIA, Inc.(Korea) | |
| 2006 January | transcosmos design development incorporated in China. | |
| 2006 March | Wecosmos Inc. incorporated in Shanghai Invested in CROSSCO Co., Ltd. |
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| 2006 April | MCM Center Naha established | |
| 2006 July | MCM Center Sendai Ekimae established | |
| 2006 October | MCM Center Yokohama established | |
| 2007 March | Strategic business alliance with Korean-based Tong Yang Online Co., Ltd. Co-Core inc. incorporated |
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| 2007 April | transcosmos Information System (Benxi), Co., Ltd.incorporated | |
| 2007 June | MCM Center Miyazaki Ekimae established Invested in WEB WORKS, Ltd. |
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| 2007 July | Invested in Ares & Mercury Co., Ltd. | |
| 2007 September | Invested in eMnet Inc. transcosmos field marketing Inc.incorporated Invested in 01COSMOS |
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| 2007 October | MCM Center Tama established Invested in Mandate Advertising International Pte Ltd. Invested in Tensyn Digital Marketing Technology |
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| 2007 November | MCM Center Umeda established [Expansion and relocation of MCM Center Osaka] |
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| 2007 December | MCM Center Nagoya established |
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| 2008 March | MCM Center Sendai Ekimae Hirose street established | |
| 2008 June | MCM Center Fukuoka Tenjin established | |
| 2008 August | transcosmos Information Creative Japan. incorporated | |
| 2008 November | BPO Kumamoto Technical Center established Mitsiam Tele-Services Co., Ltd. revised company name to transcosmos (thailand) Inc. |
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| 2008 November | Suzhou transcosmos Information Creative Co., Ltd. incorporated | |
| 2009 April | MCM Center Okinawa Koza established | |
| 2009 July | CIC Korea and Inwoo Tech, Inc. have merged and renamed as transcosmos Korea, Inc. |

