About Us

sansei logo

Company Profile


Company Name SanseiCorporation
Yokohama HQ:
1-7-1 Sonix171 Build.2F, Kitayamata,
Tsuzuki-ku, Yokohama, Kanagawa, 224-0021, Japan
TEL: 045-594-3851
FAX: 045-590-4875

Sansei Groups

Taiwan Sansei Co.,Ltd.

Rm. 1, 9F., No.20, Sec. 2, Nanjing E. Rd., Zhongshan Dist.,Taipei City 104, Taiwan (R.O.C.)
Tel:+886-2-2542-9770 Fax]:+886-2-2542-9279


69/24 Moo 6 Soi Kingkaew 54, Kingkaew Rd., Rachatewa, Bangplee, Samutprakarn, 10540
Tel:+66-2-175-2314 Fax:+66-2-175-2317

ITE Inc. (Data Center)

3-17-44 Chigasaki Higashi, Tsuzuki-ku, Yokohama, Kanagawa, 224-0033, Japan
Tel:+81-45-309-7237 Fax:+81-45-309-7238

Logistic center

3-1-28, Minamiyamata, Tsuzuki-ku, Yokohama, Kanagawa, 224-0029, Japan


  • specially construction:construction,interior,public work,electricity and communication licence by governor in kanagawa prefecture No.63792
  • building trade:electricity,plumbing,carpenter,joinery,heat insulation licence by governor in kanagawa prefecture No.63792
  • highly controlled medical device sales and rental:111280182
  • medical equipment repair business permit: 14BS200108
  • Industrial waste collection and transportation permit:0140018163
  • Antiquary permit:451930004136
  • Animal highly controlled medical device sales and rental: HamaNou515-1575
  • Air conditioner construction certificate:14-C-14
  • First class registration of Fluorocarbons Recovery Operation:1-1422
  • ISO9001:JMAQA-2507
  • ISO14001:JMAQA-E878
  • YOKOHAMA Local contribution company:23(4)0127

Work content

  • Medical Consulting
  • Medical Construction
  • Medical BCP Solution
  • Medical Facilities Maintenance
  • Medical Products
  • Animal Hospital Consulting
  • DATA Center

Company History

1994 Established “Sansei Sogo Limited” at Yokohama

1998 Increased to capital ¥10,000,000

2000 Changed name “Sansei Sogo Co.Ltd.” and remove at Minamiyamada

2003 Increased to capital ¥20,000,000

2004 Increased to capital ¥25,000,000

2007 Increased to capital ¥36,500,000 and Obtained “specific construction industry licence”

2008 Established subsidiary ITE Co.Ltd. in Yokohana

2009 Changed name “Sansei Co. Ltd.”

2012 Established subsidiary “Taiwan Sansei” in Taiwan
Sansei Co.Ltd in Japan obtained below. certification ISO 27001 (No. JMAQA-S119) and ISO 9001 (No. JMAQA-2507)

2013 Increased to capital ¥86,500,000 and Obtained ISO 14001:2004 (No.JMAQA- E879)

2014Established subsidiary “Sansei Thailand” in Thailand

2017 Remove head office at Kitayamada