| 2000-09 |
Established in Shinagawa, Tokyo, to conduct healthcare-related business utilizing the internet. |
| 2000-09 |
Established Sonet M3 Corporation in Shinagawa, Tokyo, to conduct internet-based medical-related business. |
| 2000-10 |
Launched 'MR-kun', a service supporting medical representatives (pharmaceutical sales reps) in providing information to doctors. |
| 2000-10 |
Started providing "MR-kun," an internet-based communication tool service supporting information provision to doctors by MRs (medical representatives of pharmaceutical companies). |
| 2003-07 |
Merged 'MyMedipro' and 'so-netm3.com' and started operating as 'm3.com'. |
| 2003-07 |
Integrated the two medical information sites "MyMedipro" and "so-netm3.com" operated in parallel, and started operating as a medical professional site "m3.com." |
| 2003-10 |
Established So-net M3 USA Corporation (now M3 USA Corporation). |
| 2003-10 |
Established So-net M3 USA Corporation (now M3 USA Corporation) for business expansion in the United States. |
| 2004-09 |
Listed on the Mothers Market of the Tokyo Stock Exchange. |
| 2004-09 |
Listed shares on the Tokyo Stock Exchange Mothers Market. |
| 2005-12 |
Launched the first consumer-oriented service, 'AskDoctors'. |
| 2005-12 |
Launched the first consumer-oriented service "AskDoctors." |
| 2007-03 |
Changed the listing market to the First Section of the Tokyo Stock Exchange. |
| 2007-03 |
Changed the listing market to the First Section of the Tokyo Stock Exchange. |
| 2009-12 |
Established M3 Career Co., Ltd. |
| 2009-12 |
Establishment of M3 Career Co., Ltd., engaged in job advertising and staffing services for doctors and pharmacists |
| 2010-01 |
Changed the company name to M3 Inc. |
| 2010-01 |
Changed the trade name to M3 Inc. |
| 2011-08 |
Made Doctors.net.uk Limited (now M3 (EU) Limited) a consolidated subsidiary. |
| 2011-08 |
Made Doctors.net.uk Limited (now M3 (EU) Limited), which operates a portal site for doctors in the UK, a consolidated subsidiary. |
| 2011-11 |
Relocated the head office to the current location. |
| 2011-11 |
Relocated the head office to the current location. |
| 2012-10 |
Made C.M.S. Co., Ltd. (now M3 Solutions Co., Ltd.) a consolidated subsidiary. |
| 2012-10 |
Made C.M.S., Inc. (now M3 Solutions Inc.), which develops, sells, and supports electronic medical records, a consolidated subsidiary. |
| 2013-11 |
Made Kingyee Co., Limited (now Medlive Technology Co., Ltd.) a consolidated subsidiary. |
| 2013-11 |
For business expansion in China, made Kingyee Co., Limited (now Medlive Technology Co., Ltd.) a consolidated subsidiary (left the company's consolidated subsidiary status upon its listing on the Hong Kong Stock Exchange in June 2021, and became an equity-method affiliate). |
| 2014-02 |
Made Mediscience Planning Co., Ltd. a consolidated subsidiary through share exchange. |
| 2014-02 |
Made Medisience Planning Co., Ltd., which supports clinical trial operations, a consolidated subsidiary through share exchange. |
| 2014-08 |
Established M3 Doctor Support Co., Ltd. (now C.U.C. Co., Ltd.). |
| 2014-08 |
Established M3 Doctor Support Co., Ltd. (now C.U.C.) which operates medical institution support business. |
| 2016-11 |
Made AXIO Medical Holdings Limited (now M3 Medical Holdings LTD) a consolidated subsidiary. |
| 2016-11 |
A consolidated subsidiary of AXIO Medical Holdings Limited (now M3 Medical Holdings LTD), a holding company of Vidal Group engaged in pharmaceutical information database-related business mainly in France, Germany, and Spain |
| 2018-02 |
Made Wake Research Holdings, LLC (now M3 Wake Research, Inc.) a consolidated subsidiary. |
| 2018-02 |
A consolidated subsidiary of Wake Research Holdings, LLC (now M3 Wake Research, Inc.), engaged in clinical trial support business in the United States |
| 2019-03 |
Made DailyRounds, Inc., the holding company of Neuroglia Health Private Limited, a consolidated subsidiary. |
| 2019-03 |
A consolidated subsidiary of DailyRounds, Inc., the holding company of Neuroglia Health Private Limited, engaged in medical education business in India |
| 2019-03 |
A consolidated subsidiary of DailyRounds, Inc., the holding company of Neuroglia Health Private Limited, engaged in medical education business in India, now M3 USA Corporation |
| 2021-11 |
Started providing 'M3 Digical Smart Clinic'. |
| 2021-11 |
Start of providing a cloud service "M3 Digital Smart Clinic" that consolidates and streamlines functions such as reservations, medical interviews, and cashless payments necessary for clinics |
| 2022-04 |
Transition to Prime Market. |
| 2022-04 |
Migration from the First Section of the Tokyo Stock Exchange to the Prime Market due to review of market classification |
| 2022-07 |
Launch of the "White Jack Project". |
| 2022-07 |
Initiative to expand focus areas into preventive medicine, "White Jack Project" |
| 2023-06 |
C.U.C. Corporation listed on the Tokyo Stock Exchange Growth Market. |
| 2023-06 |
The consolidated subsidiary C.U.C. Corporation listed on the Tokyo Stock Exchange Growth Market |
| 2023-07 |
Acquisition of Healthcare research-related business of Kantar Group. |
| 2023-07 |
Acquisition of two healthcare survey-related businesses of Kantar Group, mainly in Europe and the United States, including Kantar Profiles-Health and Kantar Media Healthcare Research |
| 2024-10 |
Elan Corporation was made a consolidated subsidiary through a tender offer. |
| 2024-10 |
A patient support business for hospitalized patients and users of nursing facilities, acquired through a tender offer, of Elan Corporation |
| 2025-04 |
E-Well Corporation was made a consolidated subsidiary. |
| 2025-04 |
A consolidated subsidiary of E-Well Corporation, engaged in welfare benefit services business, etc. |