List of Contract Research Organizations in Japan (2025)

There is growth in the number of contract research organizations in Japan. These CROs offer outsourced clinical and non-clinical research services to pharmaceutical and biotechnology companies.

Japan is a good location for clinical trials due to the large and ageing population, and increasing need for personalized medicine, and regenerative medicine.

Major CROs include Worldwide Clinical Trials, Shin Nippon Biomedical Laboratories (SNBL), CMIC Group, IQVIA, Parexel, and Linical.

Contract Research Organizations in Japan

3H Medi Solution Inc.

JRE Minami Ikebukuro Bldg. 2nd Fl.,
1-13-23, Minami-ikebukuro, Toshima-ku,
Tokyo 171-0021

Tel: 81+3-5953-2108 
Fax: 81+3-5952-1887
https://global-3h.com/

A2 Healthcare Corporation

Sumitomo Fudosan Korakuen Bldg.,
1-4-1 Koishikawa, Bunkyo-ku,
Tokyo 112-0002

Tel 81+3-3830-1122 
Fax 81+3-3830-1155
https://www.a2healthcare.com

Accerise Inc.

Tokyo head office:
5F Chiyoda Ogawamachi Crosta Bldg.,
1-11 Kanda-Ogawamachi,
Chiyoda-ku, Tokyo, 101-0052, Japan
Tel: +81 3 5577 3161
Fax:+81 3 5577 3162

Osaka office:
9F Dojima Grand Bldg.,
1-5-17 Dojima,
Kita-ku, Osaka, 530-0003, Japan
Tel: +81 6 6341 7580
Fax:+81 6 6341 7581

Web: https://accerise.co.jp/

Advanced Clinical K.K.

Pacific Century Place 13F,
1-11-1 Marunouchi,
Chiyoda-ku, Tokyo, 100-6213

Tel: +0081 3 6860 8200
https://www.advancedclinical.com

APO PLUS STATION CO., LTD.

Front Place Nihonbashi, 14-1 Nihonbashi 2-chome,
Chuo-ku, Tokyo, 103-0027 Japan

Tel: +81-3-5800-5827
https://www.apoplus.co.jp

Ark Medical Solutions Inc.

HQ: 8F World Importmart Bldg.,
3-1-3 Higashi-Ikebukuro Toshima-ku,
Tokyo 170-0013 Japan

Osaka Office:
JAM-STUDIO 305,GRAND GREEN OSAKA
North building JAM BASE 3F
6-38 Ofuka-cho, Kita-ku, Osaka-shi,
Osaka 530-0011 Japan

Tel. +81-3-5979-1001
Fax. +81-3-3590-7111
https://www.arkms.co.jp/

Aspark Medical Co., Ltd.

4th Fl., KDX Shin-osaka Bld.,
4-1-4 Miyahara, Yodogawa-ku,
Osaka City, Osaka 523-0003

Tel: 06-6396-8339
Fax: 06-6396-8363
https://www.aspark-medical.co.jp/

Buzzreach Inc.

Kowa Shirokanedai Building 8F.
3-19-1 Shirokanedai, Minato-ku.
Tokyo 108-0071

Mail: contact@buzzreach.co.jp
Tel: 81+3-4590-0258
https://buzzreach.co.jp/

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Caidya (Clinipace K.K.)

Tokyo Port City Takeshiba
8F, 1-7-1, Kaigan,
Minato-ku, Tokyo 105-7508, Japan

Tel: 81+3-6450-1893 
Fax: 81+3-6809-1358
https://www.caidya.com/

Cerba Research

Shinjuku I-Land-Tower 10F
6-5-1, Nishishinjuku, shinjuku-ku
163-1310, Japan

Web: https://www.cerbaresearch.com

Clario

2F, 2-13-13 Nihonbashi Kayabacho, Chuo-ku,
Tokyo 103-0025, Japan

Tel: 03-6478-6170
Fax: 03-6478-6171
https://clario.com

ClinChoice

THE GATE NIHONBASHI Bld.
3FHigashi Nihonbashi 3-4-1, Chuo-ku
Tokyo 104-0031 Japan

Tel: +81-3-6228-7360
https://clinchoice.com

ClinCloud Ltd.

2nd Floor PMO Nihonbashi Oedodori,
1-5 Nihonbashi Kodenma, Chuo-ku,
Tokyo, Japan 103-0001

Tel: 03-3510-2640
https://clin-cloud.com

Clinilabs

Zenken Plaza 1-4-11 Shinjuku, Zenkei Plaza Bldg
Shinjuku-ku, Tokyo, Japan, 160-0023

Tel: +81 (3) 6871-8561
https://clinilabs.com

CMIC Co., Ltd.

Hamamatsucho Bldg., 1-1-1 Shibaura, Minato-ku
Tokyo, Japan 105-0023

Phone: +81-3-6779-8000
Email: contact-eng@cmic.co.jp
https://cmicgroup.com

Crown Bioscience

2-11-8 Shibadaimon
Minato-ku
Tokyo 105-0012
Japan

Tel: +81 3 4363 1361
https://www.crownbio.com/

CRScube APAC K.K.

5F KOTRA IT CENTER, Kasumigaseki Bldg.,
Kasumigaseki 3-2-5, Chiyoda-ku,
Tokyo 100-6005, Japan

Tel: +81 3-5521-1017
https://www.crscube.io/

CTI Clinical Trial & Consulting

Shinagawa East One Tower 4F
2-16-1 Konan, Minato-ku
Tokyo
Tokyo-To
108-0075 Japan

Web: https://www.ctifacts.com

DOT WORLD Co., Ltd.

Comodio Shiodome 4F,
2-14-1 Higashi-Shimbashi,
Minato-ku, Tokyo, 105-0021,
Japan

Tel: 81+3-3433-6060 
Fax: 81+3-3433-6161
https://crodot.jp/

5th Floor, Sumitomo Fudosan Iidabashi Building
No. 4, 2-3-19 Koraku, Bunkyo-ku,
Tokyo, 112-0004 Japan

Tel: +81-3-4218-3500 / +81-3-4218-3533
https://www.ep-link.co.jp

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EPS Corporation

Tsuruya Bldg., 2-23 Shimomiyabi-cho,
Shinjuku-ku, Tokyo 162-0822

Tel: 81+3-5684-7797 
Fax: 81+3-5684-4785
https://www.epsi-global.com/

Ergomed CRO

501 Nihonbashi Life Science Building 7
1-9-10 Nihonbashihoridomecho
Chuo-city, Tokyo

Web: https://ergomedgroup.com

Fortrea Japan K.K.

Harumi Triton Square Office Tower Y 8F,
1-8-11, Harumi, Chuo-ku,
Tokyo 104-6108 Japan

Tel: 81+3-6837-9500 
Fax: 81+3-6220-3640
Web: https://www.fortrea.com/

ICON plc.

H Building – Osaka Center Building and 12th floor,
Osaka Midosuji Building, 1-3,
Kyutaro-machi 4-chome, Chuo-ku,
Osaka 541-0056, Japan
Tel: +81 (6) 4560 2001
Fax: +81 (6) 4560 2091

6th/7th Floor Sumitomo ShinToranomon Bldg,
4-3-9 Toranomon, Minato-ku,
Tokyo 105-0001, Japan
Tel: +81 (3) 4530 4200
Fax: +81 (3) 4570 5712

Web: https://www.iconplc.com/

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