About Us

Company Information

Corporate name Core Concept Technologies Inc.
Establishment September 17, 2009
Capital stock 568 million yen (As of April 30, 2025)
Director

Directors
Takeshi Kaneko (Representative Director, President and CEO)
Kazuaki Nakajima (Director, Vice President, CFO)

Directors who are Audit & Supervisory Committee Members
Shohei Ueda (Full-time)
Takuo Hirose (Part-time)
Masaya Suzuki (Part-time)
Eri Nakajima (Part-time)

Business description Support for digital transformation
Support for staffing of IT personnel
Number of employees Consolidated 609
Non-consolidated 439
 Breakdown
  Full-time employees 428
  Contract employees 8
  Part-timers 3
(As of June 30, 2025)
Licenses and permits, etc.
  • PrivacyMark: Registration Number 21000839 (06), Date of certification: January 31, 2014, Date of expiration: February 16, 2026
  • General Worker Dispatching Undertaking: Registration Number 13-310532, Date of license: June 1, 2018, Date of expiration: May 31, 2026 Margin ratio 42.4%

Method of determining conditions: Labor-management agreement (valid through March 31, 2026)/Target workers: Information processing and communication technology engineers, etc.

Location

Head Office
11th floor of DaiyaGate Ikebukuro, 1-16-15 Minami Ikebukuro, Toshima-ku, Tokyo 171-0022 Japan
Map

Osaka Office
3rd floor of Dai-san Nakajima Building, 5-11-10 Nishi Nakajima, Yodogawa-ku, Osaka-shi, Osaka 532-0011 Japan
Map

Fukuoka Office
11th floor of Hakataeki-mae City Building, 1-9-3 Hakataeki-mae, Hakata-ku, Fukuoka-shi, Fukuoka 812-0011 Japan
Map

Subsidiaries

P.G. System Co., Ltd.
Ube Headquarters
2nd floor of Taiyo Seimei Ube Building, 18-10 Matsushima-cho, Ube-shi, Yamaguchi Prefecture, 755-0042, Japan
Map

Hiroshima Headquarters
6th floor of Eight Valley Otemachi, 3-8-5 Otemachi, Naka-ku, Horishima-shi, Hiroshima Prefecture, 730-0051, Japan
Map

Denso Co., Ltd.
6th floor of Komoriyama Building, 15-1 Omiya-cho, Saiwai-ku, Kawasaki-shi, Kanagawa Prefecture, 212-0014, Japan
Map

Pros Cons, Inc.
Room A, 5th floor of Iida Building, 1-26-15 Tomioka, Koto-ku, Tokyo, 135-0047, Japan
Map

Pro-X Co., Ltd.
5th floor of Aoyama Building, 2-1-31 Ebie, Fukushima-ku, Osaka-shi, Osaka Prefecture, 553-0001, Japan
Map

Digital Design Services Co., Ltd.
Headquarters
12th floor of H20TOWER, 2-5-2 Nishitenma, Kita-ku, Osaka-shi, Osaka Prefecture, 530-0047, Japan
Map

Okinawa Branch
14-17 Suzaki, Uruma-shi, Okinawa Prefecture, 904-2234, Japan
Map

Location map

Location map